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annotate packages/kernel/current/src/common/kapi.cxx @ 1436:1b465c781382

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New API for cyg_thread_get_id() - from Dan Jakubiec
author gthomas
date Tue, 09 Dec 2003 15:10:39 +0000
parents 6b4a1f23fbbb
children 57cebf53b527
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1 //==========================================================================
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2 //
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3 // common/kapi.cxx
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4 //
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5 // C API Implementation
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6 //
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7 //==========================================================================
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 // Copyright (C) 2002 Nick Garnett
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13 // Copyright (C) 2003 Jonathan Larmour
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14 //
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15 // eCos is free software; you can redistribute it and/or modify it under
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16 // the terms of the GNU General Public License as published by the Free
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17 // Software Foundation; either version 2 or (at your option) any later version.
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18 //
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19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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21 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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22 // for more details.
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23 //
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24 // You should have received a copy of the GNU General Public License along
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25 // with eCos; if not, write to the Free Software Foundation, Inc.,
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26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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27 //
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28 // As a special exception, if other files instantiate templates or use macros
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29 // or inline functions from this file, or you compile this file and link it
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30 // with other works to produce a work based on this file, this file does not
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31 // by itself cause the resulting work to be covered by the GNU General Public
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32 // License. However the source code for this file must still be made available
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33 // in accordance with section (3) of the GNU General Public License.
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34 //
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35 // This exception does not invalidate any other reasons why a work based on
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36 // this file might be covered by the GNU General Public License.
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37 //
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38 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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39 // at http://sources.redhat.com/ecos/ecos-license/
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40 // -------------------------------------------
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41 //####ECOSGPLCOPYRIGHTEND####
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42 //==========================================================================
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43 //#####DESCRIPTIONBEGIN####
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44 //
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45 // Author(s): nickg, dsm
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46 // Contributors: nickg
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47 // Date: 1998-03-02
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48 // Purpose: C API Implementation
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49 // Description: C++ implementation of the C API
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50 //
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51 //
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52 //####DESCRIPTIONEND####
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53 //
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54 //==========================================================================
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55
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56 #include <pkgconf/kernel.h>
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57
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58 #ifdef CYGFUN_KERNEL_API_C
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59
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60 #include <cyg/kernel/ktypes.h> // base kernel types
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61 #include <cyg/infra/cyg_trac.h> // tracing macros
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62 #include <cyg/infra/cyg_ass.h> // assertion macros
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63 #include <cyg/kernel/instrmnt.h> // instrumentation
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64 #include <cyg/kernel/diag.h>
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65
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66 #include <cyg/kernel/thread.hxx>
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67 #include <cyg/kernel/thread.inl> // thread inlines
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68 #include <cyg/kernel/sched.hxx>
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69 #include <cyg/kernel/intr.hxx>
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70 #include <cyg/kernel/clock.hxx>
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71
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72 #include <cyg/kernel/sema.hxx>
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73 #include <cyg/kernel/flag.hxx>
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74 #include <cyg/kernel/mutex.hxx>
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75 #include <cyg/kernel/mbox.hxx>
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76
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77 #include <cyg/kernel/sched.inl> // scheduler inlines
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78 #include <cyg/kernel/clock.inl> // clock inlines
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79
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80 #include <cyg/kernel/kapi.h> // C API
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81
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82 // -------------------------------------------------------------------------
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83 // Magic new function
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84
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85 inline void *operator new(size_t size, void *ptr)
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86 {
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87 CYG_CHECK_DATA_PTR( ptr, "Bad pointer" );
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88 return ptr;
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89 }
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90
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91 // -------------------------------------------------------------------------
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92
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93 #ifdef CYGDBG_USE_ASSERTS
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94
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95 #define CYG_ASSERT_SIZES(cstruct, cxxstruct) \
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96 CYG_MACRO_START \
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97 char *msg = "Size of C struct " #cstruct \
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98 " != size of C++ struct " #cxxstruct ; \
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99 CYG_ASSERT( sizeof(cstruct) == sizeof(cxxstruct) , msg ); \
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100 CYG_MACRO_END
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101
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102 #else
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103
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104 #define CYG_ASSERT_SIZES(cstruct, cxxstruct)
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105
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106 #endif
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107
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108 /*---------------------------------------------------------------------------*/
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109 /* Scheduler operations */
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110
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111 /* Starts scheduler with created threads. Never returns. */
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112 externC void cyg_scheduler_start(void)
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113 {
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114 Cyg_Scheduler::start();
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115 }
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116
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117 /* Lock the scheduler. */
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118 externC void cyg_scheduler_lock(void)
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119 {
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120 Cyg_Scheduler::lock();
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121 // get_sched_lock() is unsigned, see below "cyg_ucount32 lock"
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122 CYG_ASSERT( (0xff000000 & (Cyg_Scheduler::get_sched_lock())) == 0,
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123 "Scheduler overlocked" );
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124 }
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125
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126 /* Lock the scheduler, but never more than level=1. */
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127 externC void cyg_scheduler_safe_lock(void)
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128 {
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129 Cyg_Scheduler::lock();
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130 cyg_ucount32 slock = Cyg_Scheduler::get_sched_lock();
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131 if (slock > 1)
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132 Cyg_Scheduler::unlock();
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133 // get_sched_lock() is unsigned, see below "cyg_ucount32 lock"
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134 CYG_ASSERT( (0xff000000 & (Cyg_Scheduler::get_sched_lock())) == 0,
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135 "Scheduler overlocked" );
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136 }
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137
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138 /* Unlock the scheduler. */
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139 externC void cyg_scheduler_unlock(void)
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140 {
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141 cyg_ucount32 slock = Cyg_Scheduler::get_sched_lock();
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142 CYG_ASSERT( 0 < slock, "Scheduler not locked" );
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143 // And program defensively too:
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144 if ( 0 < slock )
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145 Cyg_Scheduler::unlock();
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146 }
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147
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148 /* Read the scheduler lock value. */
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149 externC cyg_ucount32 cyg_scheduler_read_lock(void)
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150 {
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151 cyg_ucount32 slock = Cyg_Scheduler::get_sched_lock();
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152 return slock;
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153 }
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154
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155 /*---------------------------------------------------------------------------*/
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156 /* Thread operations */
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157
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158 externC void cyg_thread_create(
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159 cyg_addrword_t sched_info, /* scheduling info (eg pri) */
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160 cyg_thread_entry_t *entry, /* entry point function */
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161 cyg_addrword_t entry_data, /* entry data */
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162 char *name, /* optional thread name */
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163 void *stack_base, /* stack base, NULL = alloc */
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164 cyg_ucount32 stack_size, /* stack size, 0 = default */
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165 cyg_handle_t *handle, /* returned thread handle */
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166 cyg_thread *thread /* put thread here */
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167 )
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168 {
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169 CYG_ASSERT_SIZES( cyg_thread, Cyg_Thread );
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170
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171 Cyg_Thread *t = new((void *)thread) Cyg_Thread (
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172 (CYG_ADDRWORD) sched_info,
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173 (cyg_thread_entry *)entry,
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174 (CYG_ADDRWORD) entry_data,
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175 name,
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176 (CYG_ADDRWORD) stack_base,
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177 stack_size
0
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178 );
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179 t=t;
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180
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181 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
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182 *handle = (cyg_handle_t)thread;
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183 }
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184
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185 externC void cyg_thread_exit()
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186 {
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187 Cyg_Thread::exit();
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188 }
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189
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190 externC cyg_bool_t cyg_thread_delete( cyg_handle_t thread )
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191 {
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192 Cyg_Thread *th = (Cyg_Thread *)thread;
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193 if( th->get_state() != Cyg_Thread::EXITED )
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194 th->kill(); // encourage it to terminate
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195 if( th->get_state() != Cyg_Thread::EXITED )
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196 return false; // it didn't run yet, leave it up to the app to fix
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197 th->~Cyg_Thread();
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198 return true;
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199 }
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200
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201 externC void cyg_thread_suspend(cyg_handle_t thread)
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202 {
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203 ((Cyg_Thread *)thread)->suspend();
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204 }
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205
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206 externC void cyg_thread_resume(cyg_handle_t thread)
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207 {
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208 Cyg_Thread *th = (Cyg_Thread *)thread;
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209
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210 // If we are resuming an exited thread then
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211 // reinitialize it.
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212
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213 if( th->get_state() == Cyg_Thread::EXITED )
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214 th->reinitialize();
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215
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216 th->resume();
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217 }
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218
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219 externC void cyg_thread_kill( cyg_handle_t thread)
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220 {
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221 ((Cyg_Thread *)thread)->kill();
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222 }
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223
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224 externC void cyg_thread_release( cyg_handle_t thread)
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225 {
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226 ((Cyg_Thread *)thread)->release();
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227 }
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228
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229 externC void cyg_thread_yield()
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230 {
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231 Cyg_Thread::yield();
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232 }
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233
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234 externC cyg_handle_t cyg_thread_self()
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235 {
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236 return (cyg_handle_t)Cyg_Thread::self();
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237 }
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238
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239 externC cyg_uint16 cyg_thread_get_id( cyg_handle_t thread)
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240 {
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241 return ((Cyg_Thread *)thread)->get_unique_id();
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242 }
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243
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244 // idle thread is not really a plain CygThread; danger.
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245 externC cyg_handle_t cyg_thread_idle_thread()
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246 {
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247 extern Cyg_Thread idle_thread;
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248 return (cyg_handle_t)&idle_thread;
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249 }
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250
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251 /* Priority manipulation */
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252 externC void cyg_thread_set_priority(
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253 cyg_handle_t thread, cyg_priority_t priority )
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254 {
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255 #ifdef CYGIMP_THREAD_PRIORITY
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256 ((Cyg_Thread *)thread)->set_priority(priority);
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257 #endif
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258 }
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259
179
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260
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261 /* Get the normal priority, ie without any applied mutex inheritance or
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262 * ceiling protocol. */
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263 externC cyg_priority_t cyg_thread_get_priority(cyg_handle_t thread)
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264 {
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265 #ifdef CYGIMP_THREAD_PRIORITY
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266 return ((Cyg_Thread *)thread)->get_priority();
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267 #else
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268 return 0;
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269 #endif
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270 }
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271
179
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272
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273 /* Get the current priority, ie any applied mutex inheritance or
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274 * ceiling protocol. */
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275 externC cyg_priority_t cyg_thread_get_current_priority(cyg_handle_t thread)
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276 {
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277 #ifdef CYGIMP_THREAD_PRIORITY
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278 return ((Cyg_Thread *)thread)->get_current_priority();
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279 #else
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280 return 0;
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281 #endif
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282 }
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283
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284 /* Deadline scheduling control (optional) */
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285
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286 externC void cyg_thread_deadline_wait(
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287 cyg_tick_count_t start_time, /* abs earliest start time */
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288 cyg_tick_count_t run_time, /* worst case execution time */
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289 cyg_tick_count_t deadline /* absolute deadline */
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290 )
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291 {
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292 CYG_ASSERT(0,"Not implemented");
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293 }
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294
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295 externC void cyg_thread_delay(cyg_tick_count_t delay)
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296 {
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297 Cyg_Thread::self()->delay(delay);
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298 }
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299
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300 /* Stack information */
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301 externC cyg_addrword_t cyg_thread_get_stack_base(cyg_handle_t thread)
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302 {
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303 return ((Cyg_Thread *)thread)->get_stack_base();
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304 }
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305
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306 externC cyg_uint32 cyg_thread_get_stack_size(cyg_handle_t thread)
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307 {
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308 return ((Cyg_Thread *)thread)->get_stack_size();
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309 }
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310
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311 #ifdef CYGFUN_KERNEL_THREADS_STACK_MEASUREMENT
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312 externC cyg_uint32 cyg_thread_measure_stack_usage(cyg_handle_t thread)
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313 {
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314 return ((Cyg_Thread *)thread)->measure_stack_usage();
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315 }
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316 #endif
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317
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318 /*---------------------------------------------------------------------------*/
460
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319 /* Thread enumeration and information */
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320
a65a4055f146 * src/common/kapi.cxx:
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321 #ifdef CYGVAR_KERNEL_THREADS_LIST
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322
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323 cyg_bool_t cyg_thread_get_next( cyg_handle_t *current, cyg_uint16 *id )
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324 {
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325 cyg_bool_t result = true;
546
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326
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
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327 // There is a minute but finite chance that the thread could have
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
jlarmour
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diff changeset
328 // exitted since the previous cyg_thread_get_next() call, and we can't
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
jlarmour
parents: 460
diff changeset
329 // detect the ID mismatch further down. So be quite zealous with checking.
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
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diff changeset
330
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
jlarmour
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diff changeset
331 CYG_CHECK_DATA_PTRC( current );
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
jlarmour
parents: 460
diff changeset
332 CYG_CHECK_DATA_PTRC( id );
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
jlarmour
parents: 460
diff changeset
333 if ( *current != 0 )
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
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diff changeset
334 CYG_CHECK_DATA_PTRC( *current );
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jlarmour
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diff changeset
335
460
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
336 Cyg_Scheduler::lock();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
337
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
338 Cyg_Thread *thread = (Cyg_Thread *)*current;
1031
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diff changeset
339 CYG_ASSERT_ZERO_OR_CLASSC( thread );
460
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
340 if( *current == 0 )
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
341 {
a65a4055f146 * src/common/kapi.cxx:
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342 thread = Cyg_Thread::get_list_head();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
343 *current = (cyg_handle_t)thread;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
344 *id = thread->get_unique_id();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
345 }
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
346 else if( (thread->get_unique_id() == *id) &&
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
347 (thread = thread->get_list_next()) != NULL )
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
348 {
546
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
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diff changeset
349 CYG_CHECK_DATA_PTRC( thread );
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diff changeset
350 CYG_ASSERT_CLASSC( thread );
460
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
351 *current = (cyg_handle_t)thread;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
352 *id = thread->get_unique_id();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
353 }
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
354 else
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
355 {
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
356 *current = 0;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
357 *id = 0;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
358 result = false;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
359 }
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
360
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
361 Cyg_Scheduler::unlock();
a65a4055f146 * src/common/kapi.cxx:
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362
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
363 return result;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
364 }
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
365
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
366 cyg_handle_t cyg_thread_find( cyg_uint16 id )
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
367 {
a65a4055f146 * src/common/kapi.cxx:
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368 Cyg_Scheduler::lock();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
369
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
370 Cyg_Thread *thread = Cyg_Thread::get_list_head();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
371
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
372 while( thread != NULL )
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
373 {
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
374 if( thread->get_unique_id() == id )
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
375 break;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
376
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
377 thread = thread->get_list_next();
a65a4055f146 * src/common/kapi.cxx:
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parents: 210
diff changeset
378 }
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
379
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
380 Cyg_Scheduler::unlock();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
381
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
382 return (cyg_handle_t)thread;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
383 }
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
384
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
385 #endif
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
386
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
387 cyg_bool_t cyg_thread_get_info( cyg_handle_t threadh,
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
388 cyg_uint16 id,
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
389 cyg_thread_info *info )
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
390 {
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
391 cyg_bool_t result = true;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
392 Cyg_Thread *thread = (Cyg_Thread *)threadh;
546
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diff changeset
393 CYG_CHECK_DATA_PTRC( thread );
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
jlarmour
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diff changeset
394 if ( NULL != info )
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
jlarmour
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diff changeset
395 CYG_CHECK_DATA_PTRC( info );
460
a65a4055f146 * src/common/kapi.cxx:
nickg
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diff changeset
396
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
397 Cyg_Scheduler::lock();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
398
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
399 if( thread->get_unique_id() == id && info != NULL )
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
400 {
546
bd1ddaaaf796 * src/common/kapi.cxx (cyg_thread_get_next): Be quite zealous about
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diff changeset
401 CYG_ASSERT_CLASSC( thread );
460
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
402 info->handle = threadh;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
403 info->id = id;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
404 info->state = thread->get_state();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
405 #ifdef CYGVAR_KERNEL_THREADS_NAME
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
406 info->name = thread->get_name();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
407 #else
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
408 info->name = NULL;
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
409 #endif
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
410 info->set_pri = thread->get_priority();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
411 info->cur_pri = thread->get_current_priority();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
412 info->stack_base = thread->get_stack_base();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
413 info->stack_size = thread->get_stack_size();
a65a4055f146 * src/common/kapi.cxx:
nickg
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diff changeset
414
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
415 #ifdef CYGFUN_KERNEL_THREADS_STACK_MEASUREMENT
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
416 info->stack_used = thread->measure_stack_usage();
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
417 #else
a65a4055f146 * src/common/kapi.cxx:
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diff changeset
418 info->stack_used = 0;
a65a4055f146 * src/common/kapi.cxx:
nickg
parents: 210
diff changeset
419 #endif
a65a4055f146 * src/common/kapi.cxx:
nickg
parents: 210
diff changeset
420 }
a65a4055f146 * src/common/kapi.cxx:
nickg
parents: 210
diff changeset
421 else result = false;
a65a4055f146 * src/common/kapi.cxx:
nickg
parents: 210
diff changeset
422
a65a4055f146 * src/common/kapi.cxx:
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parents: 210
diff changeset
423 Cyg_Scheduler::unlock();
a65a4055f146 * src/common/kapi.cxx:
nickg
parents: 210
diff changeset
424
a65a4055f146 * src/common/kapi.cxx:
nickg
parents: 210
diff changeset
425 return result;
a65a4055f146 * src/common/kapi.cxx:
nickg
parents: 210
diff changeset
426 }
a65a4055f146 * src/common/kapi.cxx:
nickg
parents: 210
diff changeset
427
a65a4055f146 * src/common/kapi.cxx:
nickg
parents: 210
diff changeset
428 /*---------------------------------------------------------------------------*/
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
429 /* Per-thread data */
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
430
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
431 #ifdef CYGVAR_KERNEL_THREADS_DATA
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
432
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
433 externC cyg_ucount32 cyg_thread_new_data_index()
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
434 {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
435 Cyg_Thread::cyg_data_index index = Cyg_Thread::new_data_index();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
436 CYG_ASSERT(index >= 0, "failed to allocate data index" );
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
437 return index;
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
438 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
439
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
440 externC void cyg_thread_free_data_index(cyg_ucount32 index)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
441 {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
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parents: 179
diff changeset
442 Cyg_Thread::free_data_index(index);
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
443 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
444
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
445 externC CYG_ADDRWORD cyg_thread_get_data(cyg_ucount32 index)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
446 {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
447 return Cyg_Thread::get_data(index);
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
448 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
449
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
450 externC CYG_ADDRWORD *cyg_thread_get_data_ptr(cyg_ucount32 index)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
451 {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
452 return Cyg_Thread::get_data_ptr(index);
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
453 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
454
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
455 externC void cyg_thread_set_data(cyg_ucount32 index, CYG_ADDRWORD
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
456 data)
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
457 {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
458 Cyg_Thread::self()->set_data(index, data);
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
459 }
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
460 #endif
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
461
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
462 /*---------------------------------------------------------------------------*/
210
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
463 /* Thread destructors */
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
464
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
465 #ifdef CYGPKG_KERNEL_THREADS_DESTRUCTORS
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
466 __externC cyg_bool_t
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
467 cyg_thread_add_destructor( cyg_thread_destructor_fn fn,
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
468 cyg_addrword_t data )
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
469 {
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
470 return Cyg_Thread::self()->add_destructor( fn, data );
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
471 }
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
472
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
473 __externC cyg_bool_t
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
474 cyg_thread_rem_destructor( cyg_thread_destructor_fn fn,
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
475 cyg_addrword_t data )
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
476 {
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
477 return Cyg_Thread::self()->rem_destructor( fn, data );
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
478 }
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
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parents: 208
diff changeset
479 #endif
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
480
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
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parents: 208
diff changeset
481 /*---------------------------------------------------------------------------*/
0
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
482 /* Exception handling. */
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
483
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
484 #ifdef CYGPKG_KERNEL_EXCEPTIONS
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
485 externC void cyg_exception_set_handler(
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
486 cyg_code_t exception_number,
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
487 cyg_exception_handler_t *new_handler,
2
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
488 cyg_addrword_t new_data,
0
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
489 cyg_exception_handler_t **old_handler,
2
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
490 cyg_addrword_t *old_data
0
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
491 )
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
492 {
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
493 Cyg_Thread::register_exception(
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
494 exception_number,
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
495 (cyg_exception_handler *)new_handler,
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
496 (CYG_ADDRWORD)new_data,
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
497 (cyg_exception_handler **)old_handler,
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
498 (CYG_ADDRWORD *)old_data
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499 );
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diff changeset
500 }
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diff changeset
501
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jlarmour
parents:
diff changeset
502 /* Clear exception handler to default */
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
503 externC void cyg_exception_clear_handler(
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diff changeset
504 cyg_code_t exception_number
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
505 )
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diff changeset
506 {
3111d98ba7b3 Initial commit of eCos version 1.1
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507 Cyg_Thread::deregister_exception( exception_number );
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diff changeset
508 }
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diff changeset
509
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parents:
diff changeset
510 /* Invoke exception handler */
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diff changeset
511 externC void cyg_exception_call_handler(
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512 cyg_handle_t thread,
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diff changeset
513 cyg_code_t exception_number,
2
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diff changeset
514 cyg_addrword_t error_code
0
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515 )
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516 {
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517 Cyg_Thread *t = (Cyg_Thread *)thread;
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518
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519 t->deliver_exception( exception_number, error_code );
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520 }
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521 #endif
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522
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523 /*---------------------------------------------------------------------------*/
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524 /* Interrupt handling */
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525
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526 externC void cyg_interrupt_create(
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527 cyg_vector_t vector, /* Vector to attach to */
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528 cyg_priority_t priority, /* Queue priority */
2
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529 cyg_addrword_t data, /* Data pointer */
0
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530 cyg_ISR_t *isr, /* Interrupt Service Routine */
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531 cyg_DSR_t *dsr, /* Deferred Service Routine */
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532 cyg_handle_t *handle, /* returned handle */
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533 cyg_interrupt *intr /* put interrupt here */
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534 )
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535 {
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536 CYG_ASSERT_SIZES( cyg_interrupt, Cyg_Interrupt );
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537
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538 Cyg_Interrupt *t = new((void *)intr) Cyg_Interrupt (
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539 (cyg_vector)vector,
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540 (cyg_priority)priority,
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diff changeset
541 (CYG_ADDRWORD)data,
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542 (cyg_ISR *)isr,
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543 (cyg_DSR *)dsr );
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544 t=t;
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545
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546 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
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547 *handle = (cyg_handle_t)intr;
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548 }
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549
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550 externC void cyg_interrupt_delete( cyg_handle_t interrupt)
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551 {
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552 ((Cyg_Interrupt *)interrupt)->~Cyg_Interrupt();
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553 }
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554
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555 void cyg_interrupt_attach( cyg_handle_t interrupt )
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556 {
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557 ((Cyg_Interrupt *)interrupt)->attach();
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diff changeset
558 }
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559
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560 void cyg_interrupt_detach( cyg_handle_t interrupt )
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561 {
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562 ((Cyg_Interrupt *)interrupt)->detach();
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diff changeset
563 }
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diff changeset
564
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565 /* VSR manipulation */
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diff changeset
566
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567 externC void cyg_interrupt_get_vsr(
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568 cyg_vector_t vector, /* vector to get */
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569 cyg_VSR_t **vsr /* vsr got */
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570 )
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571 {
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572 Cyg_Interrupt::get_vsr( (cyg_vector)vector, (cyg_VSR **)vsr);
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573 }
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574
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575 externC void cyg_interrupt_set_vsr(
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576 cyg_vector_t vector, /* vector to set */
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577 cyg_VSR_t *vsr /* vsr to set */
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578 )
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diff changeset
579 {
3111d98ba7b3 Initial commit of eCos version 1.1
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580 Cyg_Interrupt::set_vsr( (cyg_vector)vector, (cyg_VSR *)vsr);
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581 }
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582
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diff changeset
583 /* CPU level interrupt mask */
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diff changeset
584 externC void cyg_interrupt_disable()
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585 {
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586 Cyg_Interrupt::disable_interrupts();
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diff changeset
587 }
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588
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diff changeset
589 externC void cyg_interrupt_enable()
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590 {
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591 Cyg_Interrupt::enable_interrupts();
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592 }
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593
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diff changeset
594 /* Interrupt controller access */
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diff changeset
595 externC void cyg_interrupt_mask(cyg_vector_t vector)
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596 {
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597 Cyg_Interrupt::mask_interrupt( (cyg_vector)vector);
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diff changeset
598 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
599
208
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600 externC void cyg_interrupt_mask_intunsafe(cyg_vector_t vector)
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601 {
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602 Cyg_Interrupt::mask_interrupt_intunsafe( (cyg_vector)vector);
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603 }
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604
0
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605 externC void cyg_interrupt_unmask(cyg_vector_t vector)
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606 {
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
607 Cyg_Interrupt::unmask_interrupt( (cyg_vector)vector);
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
608 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
609
208
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diff changeset
610 externC void cyg_interrupt_unmask_intunsafe(cyg_vector_t vector)
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611 {
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612 Cyg_Interrupt::unmask_interrupt_intunsafe( (cyg_vector)vector);
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613 }
0
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diff changeset
614
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diff changeset
615 externC void cyg_interrupt_acknowledge(cyg_vector_t vector)
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
616 {
3111d98ba7b3 Initial commit of eCos version 1.1
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617 Cyg_Interrupt::acknowledge_interrupt( (cyg_vector)vector);
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
618 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
619
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diff changeset
620
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
621 externC void cyg_interrupt_configure(
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
622 cyg_vector_t vector, /* vector to configure */
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
623 cyg_bool_t level, /* level or edge triggered */
3111d98ba7b3 Initial commit of eCos version 1.1
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624 cyg_bool_t up /* rising/faling edge, high/low level*/
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diff changeset
625 )
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626 {
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627 Cyg_Interrupt::configure_interrupt( (cyg_vector)vector, level, up );
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628 }
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diff changeset
629
177
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630 externC void cyg_interrupt_set_cpu(
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diff changeset
631 cyg_vector_t vector, /* vector to control */
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diff changeset
632 cyg_cpu_t cpu /* CPU to set */
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diff changeset
633 )
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634 {
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diff changeset
635 #ifdef CYGPKG_KERNEL_SMP_SUPPORT
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636 Cyg_Interrupt::set_cpu( vector, cpu );
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diff changeset
637 #endif
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638 }
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639
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640 externC cyg_cpu_t cyg_interrupt_get_cpu(
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641 cyg_vector_t vector /* vector to control */
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642 )
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643 {
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644 #ifdef CYGPKG_KERNEL_SMP_SUPPORT
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645 return Cyg_Interrupt::get_cpu( vector );
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diff changeset
646 #else
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647 return CYG_KERNEL_CPU_THIS();
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648 #endif
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649
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650 }
0
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651
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652 /*---------------------------------------------------------------------------*/
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diff changeset
653 /* Counters, Clocks and Alarms */
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654
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diff changeset
655 externC void cyg_counter_create(
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656 cyg_handle_t *handle, /* returned counter handle */
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657 cyg_counter *counter /* put counter here */
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diff changeset
658 )
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659 {
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diff changeset
660 CYG_ASSERT_SIZES( cyg_counter, Cyg_Counter );
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diff changeset
661
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662 Cyg_Counter *t = new((void *)counter) Cyg_Counter ();
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diff changeset
663 t=t;
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diff changeset
664
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diff changeset
665 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
3111d98ba7b3 Initial commit of eCos version 1.1
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666 *handle = (cyg_handle_t)counter;
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667 }
3111d98ba7b3 Initial commit of eCos version 1.1
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668
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
669 externC void cyg_counter_delete(cyg_handle_t counter)
3111d98ba7b3 Initial commit of eCos version 1.1
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670 {
3111d98ba7b3 Initial commit of eCos version 1.1
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671 ((Cyg_Counter *)counter)->~Cyg_Counter();
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672 }
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673
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674 /* Return current value of counter */
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diff changeset
675 externC cyg_tick_count_t cyg_counter_current_value(cyg_handle_t counter)
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diff changeset
676 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
677 return ((Cyg_Counter *)counter)->current_value();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
678 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
679
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
680 /* Set new current value */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
681 externC void cyg_counter_set_value(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
682 cyg_handle_t counter,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
683 cyg_tick_count_t new_value
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
684 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
685 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
686 ((Cyg_Counter *)counter)->set_value( new_value );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
687 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
688
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
689 /* Advance counter by one tick */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
690 externC void cyg_counter_tick(cyg_handle_t counter)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
691 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
692 ((Cyg_Counter *)counter)->tick();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
693 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
694
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
695 /* Advance counter by multiple ticks */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
696 externC void cyg_counter_multi_tick(cyg_handle_t counter, cyg_tick_count_t ticks)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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parents: 182
diff changeset
697 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
698 ((Cyg_Counter *)counter)->tick(ticks);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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parents: 182
diff changeset
699 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
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parents: 182
diff changeset
700
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
701 /* Create a clock object */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
702 externC void cyg_clock_create(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
703 cyg_resolution_t resolution, /* Initial resolution */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
704 cyg_handle_t *handle, /* Returned clock handle */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
705 cyg_clock *clock /* put clock here */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
706 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
707 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
708 CYG_ASSERT_SIZES( cyg_clock, Cyg_Clock );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
709
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
710 Cyg_Clock::cyg_resolution res;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
711
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
712 res.dividend = resolution.dividend;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
713 res.divisor = resolution.divisor;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
714
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
715 Cyg_Clock *t = new((void *)clock) Cyg_Clock ( res );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
716 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
717
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
718 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
719 *handle = (cyg_handle_t)clock;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
720 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
721
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
722 externC void cyg_clock_delete(cyg_handle_t clock)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
723 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
724 ((Cyg_Clock *)clock)->~Cyg_Clock();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
725 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
726
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
727 /* convert a clock handle to a counter handle so we can use the */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
728 /* counter API on it. */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
729 externC void cyg_clock_to_counter(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
730 cyg_handle_t clock,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
731 cyg_handle_t *counter
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
732 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
733 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
734 CYG_CHECK_DATA_PTR( counter, "Bad counter handle pointer" );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
735 *counter = (cyg_handle_t)(Cyg_Counter *)clock;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
736 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
737
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
738 externC void cyg_clock_set_resolution(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
739 cyg_handle_t clock,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
740 cyg_resolution_t resolution /* New resolution */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
741 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
742 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
743 Cyg_Clock::cyg_resolution res;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
744
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
745 res.dividend = resolution.dividend;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
746 res.divisor = resolution.divisor;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
747
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
748 ((Cyg_Clock *)clock)->set_resolution( res );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
749 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
750
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
751 externC cyg_resolution_t cyg_clock_get_resolution(cyg_handle_t clock)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
752 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
753 Cyg_Clock::cyg_resolution res =
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
754 ((Cyg_Clock *)clock)->get_resolution();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
755
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
756 cyg_resolution_t resolution;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
757
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
758 resolution.dividend = res.dividend;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
759 resolution.divisor = res.divisor;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
760
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
761 return resolution;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
762 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
763
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
764 #ifdef CYGVAR_KERNEL_COUNTERS_CLOCK
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
765 externC cyg_handle_t cyg_real_time_clock(void)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
766 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
767 return (cyg_handle_t)Cyg_Clock::real_time_clock;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
768 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
769
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
770 externC cyg_tick_count_t cyg_current_time(void)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
771 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
772 return Cyg_Clock::real_time_clock->current_value();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
773 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
774 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
775
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
776 externC void cyg_alarm_create(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
777 cyg_handle_t counter, /* Attached to this counter */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
778 cyg_alarm_t *alarmfn, /* Call-back function */
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
779 cyg_addrword_t data, /* Call-back data */
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
780 cyg_handle_t *handle, /* Returned alarm object */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
781 cyg_alarm *alarm /* put alarm here */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
782 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
783 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
784 CYG_ASSERT_SIZES( cyg_alarm, Cyg_Alarm );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
785
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
786 Cyg_Alarm *t = new((void *)alarm) Cyg_Alarm (
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
787 (Cyg_Counter *)counter,
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
788 (cyg_alarm_fn *)alarmfn,
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
789 (CYG_ADDRWORD)data
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
790 );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
791 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
792
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
793 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
794 *handle = (cyg_handle_t)alarm;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
795 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
796
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
797 /* Disable alarm, detach from counter and invalidate handles */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
798 externC void cyg_alarm_delete( cyg_handle_t alarm)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
799 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
800 ((Cyg_Alarm *)alarm)->~Cyg_Alarm();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
801 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
802
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
803 externC void cyg_alarm_initialize(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
804 cyg_handle_t alarm,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
805 cyg_tick_count_t trigger, /* Absolute trigger time */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
806 cyg_tick_count_t interval /* Relative retrigger interval */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
807 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
808 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
809 ((Cyg_Alarm *)alarm)->initialize(
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
810 (cyg_tick_count)trigger,
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
811 (cyg_tick_count)interval);
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
812 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
813
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
814 externC void cyg_alarm_get_times(
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
815 cyg_handle_t alarm,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
816 cyg_tick_count_t *trigger, /* Next trigger time */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
817 cyg_tick_count_t *interval /* Current interval */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
818 )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
819 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
820 ((Cyg_Alarm *)alarm)->get_times(
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
821 (cyg_tick_count*)trigger,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
822 (cyg_tick_count*)interval);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
823 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
824
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
825 externC void cyg_alarm_enable( cyg_handle_t alarm )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
826 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
827 ((Cyg_Alarm *)alarm)->enable();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
828 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
829
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
830 externC void cyg_alarm_disable( cyg_handle_t alarm )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
831 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
832 ((Cyg_Alarm *)alarm)->disable();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
833 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
834
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
835 /*---------------------------------------------------------------------------*/
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
836 /* Mail boxes */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
837
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
838 externC void cyg_mbox_create(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
839 cyg_handle_t *handle,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
840 cyg_mbox *mbox
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
841 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
842 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
843 CYG_ASSERT_SIZES( cyg_mbox, Cyg_Mbox );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
844
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
845 Cyg_Mbox *t = new((void *)mbox) Cyg_Mbox();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
846 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
847
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
848 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
849 *handle = (cyg_handle_t)mbox;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
850 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
851
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
852 externC void cyg_mbox_delete(cyg_handle_t mbox)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
853 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
854 ((Cyg_Mbox *)mbox)->~Cyg_Mbox();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
855 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
856
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
857 externC void *cyg_mbox_get(cyg_handle_t mbox)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
858 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
859 return ((Cyg_Mbox *)mbox)->get();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
860 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
861
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
862 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
863 void *cyg_mbox_timed_get(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
864 cyg_handle_t mbox,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
865 cyg_tick_count_t abstime
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
866 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
867 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
868 return ((Cyg_Mbox *)mbox)->get(abstime);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
869 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
870 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
871
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
872 externC void *cyg_mbox_tryget(cyg_handle_t mbox)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
873 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
874 return ((Cyg_Mbox *)mbox)->tryget();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
875 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
876
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
877 externC void *cyg_mbox_peek_item(cyg_handle_t mbox)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
878 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
879 return ((Cyg_Mbox *)mbox)->peek_item();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
880 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
881
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
882 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
883 externC cyg_bool_t cyg_mbox_put(cyg_handle_t mbox, void *item)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
884 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
885 return ((Cyg_Mbox *)mbox)->put(item);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
886 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
887
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
888 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
889 externC cyg_bool_t cyg_mbox_timed_put(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
890 cyg_handle_t mbox,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
891 void *item,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
892 cyg_tick_count_t abstime
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
893 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
894 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
895 return ((Cyg_Mbox *)mbox)->put(item, abstime);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
896 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
897 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
898 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
899
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
900 externC cyg_bool_t cyg_mbox_tryput(cyg_handle_t mbox, void *item)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
901 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
902 return ((Cyg_Mbox *)mbox)->tryput(item);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
903 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
904
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
905 externC cyg_count32 cyg_mbox_peek(cyg_handle_t mbox)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
906 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
907 return ((Cyg_Mbox *)mbox)->peek();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
908 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
909
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
910 externC cyg_bool_t cyg_mbox_waiting_to_get(cyg_handle_t mbox)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
911 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
912 return ((Cyg_Mbox *)mbox)->waiting_to_get();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
913 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
914
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
915 externC cyg_bool_t cyg_mbox_waiting_to_put(cyg_handle_t mbox)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
916 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
917 return ((Cyg_Mbox *)mbox)->waiting_to_put();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
918 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
919
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
920
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
921 /*---------------------------------------------------------------------------*/
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
922 /* Semaphores */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
923
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
924 externC void cyg_semaphore_init(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
925 cyg_sem_t *sem, /* Semaphore to init */
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
926 cyg_count32 val /* Initial semaphore value */
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
927 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
928 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
929 CYG_ASSERT_SIZES( cyg_sem_t, Cyg_Counting_Semaphore );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
930
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
931 Cyg_Counting_Semaphore *t = new((void *)sem) Cyg_Counting_Semaphore(val);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
932 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
933 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
934
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
935 externC void cyg_semaphore_destroy( cyg_sem_t *sem )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
936 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
937 ((Cyg_Counting_Semaphore *)sem)->~Cyg_Counting_Semaphore();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
938 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
939
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 105
diff changeset
940 externC cyg_bool_t cyg_semaphore_wait( cyg_sem_t *sem )
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
941 {
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 105
diff changeset
942 return ((Cyg_Counting_Semaphore *)sem)->wait();
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
943 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
944
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
945 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
946 externC cyg_bool_t cyg_semaphore_timed_wait(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
947 cyg_sem_t *sem,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
948 cyg_tick_count_t abstime
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
949 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
950 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
951 return ((Cyg_Counting_Semaphore *)sem)->wait(abstime);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
952 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
953 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
954
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
955
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
956 externC int cyg_semaphore_trywait( cyg_sem_t *sem )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
957 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
958 return ((Cyg_Counting_Semaphore *)sem)->trywait();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
959 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
960
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
961 externC void cyg_semaphore_post( cyg_sem_t *sem )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
962 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
963 ((Cyg_Counting_Semaphore *)sem)->post();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
964 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
965
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
966 externC void cyg_semaphore_peek( cyg_sem_t *sem, cyg_count32 *val )
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
967 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
968 CYG_CHECK_DATA_PTR( val, "Bad val parameter" );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
969
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
970 *val = ((Cyg_Counting_Semaphore *)sem)->peek();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
971 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
972
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
973
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
974 /*---------------------------------------------------------------------------*/
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
975 /* Flags */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
976
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
977 void cyg_flag_init(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
978 cyg_flag_t *flag /* Flag to init */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
979 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
980 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
981 CYG_ASSERT_SIZES( cyg_flag_t, Cyg_Flag );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
982 CYG_ASSERT(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
983 ( Cyg_Flag::AND == CYG_FLAG_WAITMODE_AND ) &&
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
984 ( Cyg_Flag::OR == CYG_FLAG_WAITMODE_OR ) &&
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
985 ( Cyg_Flag::CLR == CYG_FLAG_WAITMODE_CLR ),
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
986 "CYG_FLAG_WAITMODE_xxx definition != C++ Cyg_Flag::xxx" );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
987
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
988 Cyg_Flag *t = new((void *)flag) Cyg_Flag();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
989 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
990 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
991
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
992 void cyg_flag_destroy( cyg_flag_t *flag )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
993 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
994 ((Cyg_Flag *)flag)->~Cyg_Flag();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
995 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
996
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
997 void cyg_flag_setbits( cyg_flag_t *flag, cyg_flag_value_t value)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
998 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
999 ((Cyg_Flag *)flag)->setbits( value );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1000 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1001
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1002 void cyg_flag_maskbits( cyg_flag_t *flag, cyg_flag_value_t value)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1003 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1004 ((Cyg_Flag *)flag)->maskbits( value );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1005 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1006
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1007 cyg_flag_value_t cyg_flag_wait( cyg_flag_t *flag,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1008 cyg_flag_value_t pattern,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1009 cyg_flag_mode_t mode )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1010 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1011 if ( 0 == pattern || 0 != (mode & ~3) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1012 return 0;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1013 return ((Cyg_Flag *)flag)->wait( pattern, mode );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1014
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1015 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1016
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1017 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1018 cyg_flag_value_t cyg_flag_timed_wait( cyg_flag_t *flag,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1019 cyg_flag_value_t pattern,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1020 cyg_flag_mode_t mode,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1021 cyg_tick_count_t abstime )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1022 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1023 if ( 0 == pattern || 0 != (mode & ~3) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1024 return 0;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1025 return ((Cyg_Flag *)flag)->wait( pattern, mode, abstime );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1026
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1027 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1028 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1029
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1030 cyg_flag_value_t cyg_flag_poll( cyg_flag_t *flag,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1031 cyg_flag_value_t pattern,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1032 cyg_flag_mode_t mode )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1033 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1034 if ( 0 == pattern || 0 != (mode & ~3) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1035 return 0;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1036 return ((Cyg_Flag *)flag)->poll( pattern, mode );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1037
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1038 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1039
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1040 cyg_flag_value_t cyg_flag_peek( cyg_flag_t *flag )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1041 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1042 return ((Cyg_Flag *)flag)->peek();
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1043 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1044
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1045 cyg_bool_t cyg_flag_waiting( cyg_flag_t *flag )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1046 {
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1047 return ((Cyg_Flag *)flag)->waiting();
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1048 }
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1049
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1050 /*---------------------------------------------------------------------------*/
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1051 /* Mutex */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1052
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1053 externC void cyg_mutex_init(
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1054 cyg_mutex_t *mutex /* Mutex to init */
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1055 )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1056 {
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1057 CYG_ASSERT_SIZES( cyg_mutex_t, Cyg_Mutex );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1058
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1059 Cyg_Mutex *m = new((void *)mutex) Cyg_Mutex;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1060
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1061 m=m;
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1062 }
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1063
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1064 externC void cyg_mutex_destroy( cyg_mutex_t *mutex )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1065 {
38
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diff changeset
1066 ((Cyg_Mutex *)mutex)->~Cyg_Mutex();
0
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1067 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
1068
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
1069 externC cyg_bool_t cyg_mutex_lock( cyg_mutex_t *mutex )
0
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
1070 {
2
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
1071 return ((Cyg_Mutex *)mutex)->lock();
0
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1072 }
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1073
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1074 externC cyg_bool_t cyg_mutex_trylock( cyg_mutex_t *mutex )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1075 {
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1076 return ((Cyg_Mutex *)mutex)->trylock();
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1077 }
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1078
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1079 externC void cyg_mutex_unlock( cyg_mutex_t *mutex )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1080 {
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
1081 ((Cyg_Mutex *)mutex)->unlock();
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1082 }
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1083
2
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
1084 externC void cyg_mutex_release( cyg_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
1085 {
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
1086 ((Cyg_Mutex *)mutex)->release();
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
1087 }
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
1088
177
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diff changeset
1089 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING
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diff changeset
1090 externC void cyg_mutex_set_ceiling(
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parents: 147
diff changeset
1091 cyg_mutex_t *mutex,
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1092 cyg_priority_t priority )
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parents: 147
diff changeset
1093 {
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diff changeset
1094 ((Cyg_Mutex *)mutex)->set_ceiling(priority);
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1095 }
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parents: 147
diff changeset
1096 #endif
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parents: 147
diff changeset
1097
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parents: 147
diff changeset
1098 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_DYNAMIC
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1099 externC void cyg_mutex_set_protocol(
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parents: 147
diff changeset
1100 cyg_mutex_t *mutex,
179
391299f9e541 Merge from eCos master repository on 2001-08-17-16:31:54-BST
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parents: 178
diff changeset
1101 enum cyg_mutex_protocol protocol )
177
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parents: 147
diff changeset
1102 {
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parents: 147
diff changeset
1103 ((Cyg_Mutex *)mutex)->set_protocol((Cyg_Mutex::cyg_protcol)protocol);
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1104 }
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parents: 147
diff changeset
1105 #endif
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diff changeset
1106
0
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1107 /*---------------------------------------------------------------------------*/
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1108 /* Condition Variables */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1109
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1110 externC void cyg_cond_init(
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1111 cyg_cond_t *cond, /* condition variable to init */
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1112 cyg_mutex_t *mutex /* associated mutex */
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1113 )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1114 {
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1115 CYG_ASSERT_SIZES( cyg_cond_t, Cyg_Condition_Variable );
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1116
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1117 Cyg_Condition_Variable *t = new((void *)cond) Cyg_Condition_Variable(
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1118 *(Cyg_Mutex *)mutex);
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1119 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1120 }
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1121
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1122 externC void cyg_cond_destroy( cyg_cond_t *cond )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1123 {
38
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diff changeset
1124 ((Cyg_Condition_Variable *)cond)->~Cyg_Condition_Variable();
0
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1125 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
1126
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
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parents: 105
diff changeset
1127 externC cyg_bool_t cyg_cond_wait( cyg_cond_t *cond )
0
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
1128 {
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
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diff changeset
1129 return ((Cyg_Condition_Variable *)cond)->wait();
0
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1130 }
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1131
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1132 externC void cyg_cond_signal( cyg_cond_t *cond )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1133 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1134 ((Cyg_Condition_Variable *)cond)->signal();
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1135 }
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1136
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1137 externC void cyg_cond_broadcast( cyg_cond_t *cond )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1138 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1139 ((Cyg_Condition_Variable *)cond)->broadcast();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1140 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1141
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1142 #ifdef CYGMFN_KERNEL_SYNCH_CONDVAR_TIMED_WAIT
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1143 externC cyg_bool_t cyg_cond_timed_wait(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1144 cyg_cond_t *cond,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1145 cyg_tick_count_t abstime
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1146 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1147 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1148 return ((Cyg_Condition_Variable *)cond)->wait(abstime);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1149 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1150
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1151 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
1152
177
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1153 /*---------------------------------------------------------------------------*/
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parents: 147
diff changeset
1154 /* Spinlocks */
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parents: 147
diff changeset
1155
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parents: 147
diff changeset
1156 externC void cyg_spinlock_init(
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1157 cyg_spinlock_t *lock, /* spinlock to initialize */
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parents: 147
diff changeset
1158 cyg_bool_t locked /* init locked or unlocked */
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parents: 147
diff changeset
1159 )
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parents: 147
diff changeset
1160 {
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parents: 147
diff changeset
1161 CYG_ASSERT_SIZES( cyg_spinlock_t, Cyg_SpinLock );
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1162
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jlarmour
parents: 147
diff changeset
1163 // Create the spinlock in cleared state
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1164 Cyg_SpinLock *t = new((void *)lock) Cyg_SpinLock();
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parents: 147
diff changeset
1165
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parents: 147
diff changeset
1166 // If the lock is to start locked, then lock it now.
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1167 if( locked )
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jlarmour
parents: 147
diff changeset
1168 t->spin();
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parents: 147
diff changeset
1169 }
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parents: 147
diff changeset
1170
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1171 externC void cyg_spinlock_destroy( cyg_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1172 {
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diff changeset
1173 ((Cyg_SpinLock *)lock)->~Cyg_SpinLock();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1174 }
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parents: 147
diff changeset
1175
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1176 externC void cyg_spinlock_spin( cyg_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1177 {
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parents: 147
diff changeset
1178 ((Cyg_SpinLock *)lock)->spin();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1179 }
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parents: 147
diff changeset
1180
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parents: 147
diff changeset
1181 externC void cyg_spinlock_clear( cyg_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1182 {
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parents: 147
diff changeset
1183 ((Cyg_SpinLock *)lock)->clear();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1184 }
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parents: 147
diff changeset
1185
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jlarmour
parents: 147
diff changeset
1186 externC cyg_bool_t cyg_spinlock_try( cyg_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1187 {
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parents: 147
diff changeset
1188 return ((Cyg_SpinLock *)lock)->trylock();
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parents: 147
diff changeset
1189 }
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parents: 147
diff changeset
1190
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jlarmour
parents: 147
diff changeset
1191 externC cyg_bool_t cyg_spinlock_test( cyg_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1192 {
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diff changeset
1193 return ((Cyg_SpinLock *)lock)->test();
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parents: 147
diff changeset
1194 }
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diff changeset
1195
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diff changeset
1196 externC void cyg_spinlock_spin_intsave( cyg_spinlock_t *lock,
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1197 cyg_addrword_t *istate )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1198 {
178
aa8364213009 Merge from eCos master repository on 2001-08-15-01:50:29-BST
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parents: 177
diff changeset
1199 ((Cyg_SpinLock *)lock)->spin_intsave((CYG_INTERRUPT_STATE *)istate);
177
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
1200 }
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1201
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1202 externC void cyg_spinlock_clear_intsave( cyg_spinlock_t *lock,
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1203 cyg_addrword_t istate )
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1204 {
178
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1205 ((Cyg_SpinLock *)lock)->clear_intsave((CYG_INTERRUPT_STATE)istate);
177
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1206 }
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1207
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1208
0
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1209 // -------------------------------------------------------------------------
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1210 // Check structure sizes.
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1211 // This class and constructor get run automatically in debug versions
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1212 // of the kernel and check that the structures configured in the C
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1213 // code are the same size as the C++ classes they should match.
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1214
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1215 #ifdef CYGPKG_INFRA_DEBUG
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1216
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1217 class Cyg_Check_Structure_Sizes
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1218 {
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1219 int dummy;
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1220 public:
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1221 Cyg_Check_Structure_Sizes( int x );
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1222
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1223 };
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1224
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1225 #define CYG_CHECK_SIZES(cstruct, cxxstruct) \
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1226 if( sizeof(cstruct) != sizeof(cxxstruct) ) \
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1227 { \
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1228 char *fmt = "Size of C struct " #cstruct \
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1229 " != size of C++ struct " #cxxstruct ; \
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1230 CYG_TRACE2(1, fmt, sizeof(cstruct) , sizeof(cxxstruct) ); \
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1231 fail = true; \
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1232 fmt = fmt; \
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1233 }
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1234
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1235 Cyg_Check_Structure_Sizes::Cyg_Check_Structure_Sizes(int x)
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1236 {
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1237 cyg_bool fail = false;
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1238
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1239 dummy = x+1;
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1240
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1241 CYG_CHECK_SIZES( cyg_thread, Cyg_Thread );
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1242 CYG_CHECK_SIZES( cyg_interrupt, Cyg_Interrupt );
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1243 CYG_CHECK_SIZES( cyg_counter, Cyg_Counter );
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1244 CYG_CHECK_SIZES( cyg_clock, Cyg_Clock );
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1245 CYG_CHECK_SIZES( cyg_alarm, Cyg_Alarm );
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1246 CYG_CHECK_SIZES( cyg_mbox, Cyg_Mbox );
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1247 CYG_CHECK_SIZES( cyg_sem_t, Cyg_Counting_Semaphore );
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1248 CYG_CHECK_SIZES( cyg_flag_t, Cyg_Flag );
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1249 CYG_CHECK_SIZES( cyg_mutex_t, Cyg_Mutex );
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1250 CYG_CHECK_SIZES( cyg_cond_t, Cyg_Condition_Variable );
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1251 CYG_CHECK_SIZES( cyg_spinlock_t, Cyg_SpinLock );
0
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1252
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1253 CYG_ASSERT( !fail, "Size checks failed");
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1254 }
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1255
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1256 static Cyg_Check_Structure_Sizes cyg_kapi_check_structure_sizes(1);
0
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1257
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1258 #endif
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1259
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1260
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1261 // -------------------------------------------------------------------------
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1262
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1263 #endif
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1264 // EOF common/kapi.cxx