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annotate packages/kernel/current/src/common/kapi.cxx @ 208:e0c0827131d1 ecos

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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
parents f62680ef1804
children d2c90368aeef
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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 //==========================================================================
208
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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 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): nickg, dsm
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44 // Contributors: nickg
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45 // Date: 1998-03-02
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46 // Purpose: C API Implementation
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47 // Description: C++ implementation of the C API
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48 //
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49 //
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50 //####DESCRIPTIONEND####
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51 //
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52 //==========================================================================
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53
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54 #include <pkgconf/kernel.h>
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55
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56 #ifdef CYGFUN_KERNEL_API_C
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57
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58 #include <cyg/kernel/ktypes.h> // base kernel types
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59 #include <cyg/infra/cyg_trac.h> // tracing macros
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60 #include <cyg/infra/cyg_ass.h> // assertion macros
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61 #include <cyg/kernel/instrmnt.h> // instrumentation
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62 #include <cyg/kernel/diag.h>
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63
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64 #include <cyg/kernel/thread.hxx>
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65 #include <cyg/kernel/thread.inl> // thread inlines
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66 #include <cyg/kernel/sched.hxx>
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67 #include <cyg/kernel/intr.hxx>
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68 #include <cyg/kernel/clock.hxx>
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69
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70 #include <cyg/kernel/sema.hxx>
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71 #include <cyg/kernel/flag.hxx>
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72 #include <cyg/kernel/mutex.hxx>
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73 #include <cyg/kernel/mbox.hxx>
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74
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75 #include <cyg/kernel/sched.inl> // scheduler inlines
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76 #include <cyg/kernel/clock.inl> // clock inlines
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77
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78 #include <cyg/kernel/kapi.h> // C API
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79
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80 // -------------------------------------------------------------------------
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81 // Magic new function
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82
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83 inline void *operator new(size_t size, void *ptr)
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84 {
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85 CYG_CHECK_DATA_PTR( ptr, "Bad pointer" );
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86 return ptr;
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87 }
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88
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89 // -------------------------------------------------------------------------
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90
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91 #ifdef CYGDBG_USE_ASSERTS
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92
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93 #define CYG_ASSERT_SIZES(cstruct, cxxstruct) \
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94 CYG_MACRO_START \
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95 char *msg = "Size of C struct " #cstruct \
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96 " != size of C++ struct " #cxxstruct ; \
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97 CYG_ASSERT( sizeof(cstruct) == sizeof(cxxstruct) , msg ); \
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98 CYG_MACRO_END
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99
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100 #else
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101
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102 #define CYG_ASSERT_SIZES(cstruct, cxxstruct)
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103
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104 #endif
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105
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106 /*---------------------------------------------------------------------------*/
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107 /* Scheduler operations */
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108
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109 /* Starts scheduler with created threads. Never returns. */
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110 externC void cyg_scheduler_start(void)
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111 {
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112 Cyg_Scheduler::start();
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113 }
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114
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115 /* Lock the scheduler. */
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116 externC void cyg_scheduler_lock(void)
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117 {
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118 Cyg_Scheduler::lock();
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119 // get_sched_lock() is unsigned, see below "cyg_ucount32 lock"
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120 CYG_ASSERT( (0xff000000 & (Cyg_Scheduler::get_sched_lock())) == 0,
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121 "Scheduler overlocked" );
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122 }
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123
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124 /* Lock the scheduler, but never more than level=1. */
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125 externC void cyg_scheduler_safe_lock(void)
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126 {
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127 Cyg_Scheduler::lock();
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128 cyg_ucount32 slock = Cyg_Scheduler::get_sched_lock();
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129 if (slock > 1)
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130 Cyg_Scheduler::unlock();
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131 // get_sched_lock() is unsigned, see below "cyg_ucount32 lock"
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132 CYG_ASSERT( (0xff000000 & (Cyg_Scheduler::get_sched_lock())) == 0,
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133 "Scheduler overlocked" );
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134 }
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135
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136 /* Unlock the scheduler. */
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137 externC void cyg_scheduler_unlock(void)
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138 {
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139 cyg_ucount32 slock = Cyg_Scheduler::get_sched_lock();
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140 CYG_ASSERT( 0 < slock, "Scheduler not locked" );
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141 // And program defensively too:
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142 if ( 0 < slock )
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143 Cyg_Scheduler::unlock();
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144 }
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145
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146 /* Read the scheduler lock value. */
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147 externC cyg_ucount32 cyg_scheduler_read_lock(void)
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148 {
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149 cyg_ucount32 slock = Cyg_Scheduler::get_sched_lock();
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150 return slock;
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151 }
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152
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153 /*---------------------------------------------------------------------------*/
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154 /* Thread operations */
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155
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156 externC void cyg_thread_create(
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157 cyg_addrword_t sched_info, /* scheduling info (eg pri) */
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158 cyg_thread_entry_t *entry, /* entry point function */
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159 cyg_addrword_t entry_data, /* entry data */
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160 char *name, /* optional thread name */
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161 void *stack_base, /* stack base, NULL = alloc */
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162 cyg_ucount32 stack_size, /* stack size, 0 = default */
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163 cyg_handle_t *handle, /* returned thread handle */
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164 cyg_thread *thread /* put thread here */
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165 )
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166 {
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167 CYG_ASSERT_SIZES( cyg_thread, Cyg_Thread );
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168
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169 Cyg_Thread *t = new((void *)thread) Cyg_Thread (
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170 (CYG_ADDRWORD) sched_info,
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171 (cyg_thread_entry *)entry,
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172 (CYG_ADDRWORD) entry_data,
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173 name,
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174 (CYG_ADDRWORD) stack_base,
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175 stack_size
0
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176 );
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177 t=t;
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178
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179 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
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180 *handle = (cyg_handle_t)thread;
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181 }
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182
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183 externC void cyg_thread_exit()
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184 {
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185 Cyg_Thread::exit();
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186 }
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187
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188 externC cyg_bool_t cyg_thread_delete( cyg_handle_t thread )
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189 {
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190 Cyg_Thread *th = (Cyg_Thread *)thread;
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191 if( th->get_state() != Cyg_Thread::EXITED )
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192 th->kill(); // encourage it to terminate
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193 if( th->get_state() != Cyg_Thread::EXITED )
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194 return false; // it didn't run yet, leave it up to the app to fix
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195 th->~Cyg_Thread();
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196 return true;
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197 }
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198
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199 externC void cyg_thread_suspend(cyg_handle_t thread)
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200 {
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201 ((Cyg_Thread *)thread)->suspend();
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202 }
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203
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204 externC void cyg_thread_resume(cyg_handle_t thread)
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205 {
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206 Cyg_Thread *th = (Cyg_Thread *)thread;
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207
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208 // If we are resuming an exited thread then
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209 // reinitialize it.
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210
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211 if( th->get_state() == Cyg_Thread::EXITED )
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212 th->reinitialize();
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213
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214 th->resume();
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215 }
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216
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217 externC void cyg_thread_kill( cyg_handle_t thread)
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218 {
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219 ((Cyg_Thread *)thread)->kill();
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220 }
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221
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222 externC void cyg_thread_release( cyg_handle_t thread)
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223 {
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224 ((Cyg_Thread *)thread)->release();
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225 }
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226
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227 externC void cyg_thread_yield()
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228 {
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229 Cyg_Thread::yield();
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230 }
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231
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232 externC cyg_handle_t cyg_thread_self()
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233 {
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234 return (cyg_handle_t)Cyg_Thread::self();
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235 }
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236
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237 // idle thread is not really a plain CygThread; danger.
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238 externC cyg_handle_t cyg_thread_idle_thread()
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239 {
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240 extern Cyg_Thread idle_thread;
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241 return (cyg_handle_t)&idle_thread;
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242 }
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243
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244 /* Priority manipulation */
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245 externC void cyg_thread_set_priority(
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246 cyg_handle_t thread, cyg_priority_t priority )
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247 {
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248 #ifdef CYGIMP_THREAD_PRIORITY
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249 ((Cyg_Thread *)thread)->set_priority(priority);
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250 #endif
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251 }
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252
179
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253
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254 /* Get the normal priority, ie without any applied mutex inheritance or
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255 * ceiling protocol. */
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256 externC cyg_priority_t cyg_thread_get_priority(cyg_handle_t thread)
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257 {
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258 #ifdef CYGIMP_THREAD_PRIORITY
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259 return ((Cyg_Thread *)thread)->get_priority();
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260 #else
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261 return 0;
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262 #endif
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263 }
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264
179
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265
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266 /* Get the current priority, ie any applied mutex inheritance or
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267 * ceiling protocol. */
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268 externC cyg_priority_t cyg_thread_get_current_priority(cyg_handle_t thread)
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269 {
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270 #ifdef CYGIMP_THREAD_PRIORITY
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271 return ((Cyg_Thread *)thread)->get_current_priority();
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272 #else
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273 return 0;
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274 #endif
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275 }
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276
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277 /* Deadline scheduling control (optional) */
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278
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279 externC void cyg_thread_deadline_wait(
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280 cyg_tick_count_t start_time, /* abs earliest start time */
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281 cyg_tick_count_t run_time, /* worst case execution time */
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282 cyg_tick_count_t deadline /* absolute deadline */
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283 )
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284 {
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285 CYG_ASSERT(0,"Not implemented");
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286 }
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287
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288 externC void cyg_thread_delay(cyg_tick_count_t delay)
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289 {
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290 Cyg_Thread::self()->delay(delay);
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291 }
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292
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293 /* Stack information */
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294 externC cyg_addrword_t cyg_thread_get_stack_base(cyg_handle_t thread)
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295 {
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296 return ((Cyg_Thread *)thread)->get_stack_base();
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297 }
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298
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299 externC cyg_uint32 cyg_thread_get_stack_size(cyg_handle_t thread)
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300 {
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301 return ((Cyg_Thread *)thread)->get_stack_size();
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302 }
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303
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304 #ifdef CYGFUN_KERNEL_THREADS_STACK_MEASUREMENT
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305 externC cyg_uint32 cyg_thread_measure_stack_usage(cyg_handle_t thread)
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306 {
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307 return ((Cyg_Thread *)thread)->measure_stack_usage();
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308 }
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309 #endif
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310
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311 /*---------------------------------------------------------------------------*/
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312 /* Per-thread data */
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313
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314 #ifdef CYGVAR_KERNEL_THREADS_DATA
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315
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316 externC cyg_ucount32 cyg_thread_new_data_index()
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317 {
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318 Cyg_Thread::cyg_data_index index = Cyg_Thread::new_data_index();
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319 CYG_ASSERT(index >= 0, "failed to allocate data index" );
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320 return index;
2
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321 }
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322
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323 externC void cyg_thread_free_data_index(cyg_ucount32 index)
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324 {
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325 Cyg_Thread::free_data_index(index);
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326 }
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327
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328 externC CYG_ADDRWORD cyg_thread_get_data(cyg_ucount32 index)
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329 {
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330 return Cyg_Thread::get_data(index);
2
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331 }
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332
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333 externC CYG_ADDRWORD *cyg_thread_get_data_ptr(cyg_ucount32 index)
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334 {
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335 return Cyg_Thread::get_data_ptr(index);
2
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336 }
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337
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338 externC void cyg_thread_set_data(cyg_ucount32 index, CYG_ADDRWORD
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339 data)
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340 {
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341 Cyg_Thread::self()->set_data(index, data);
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342 }
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343 #endif
0
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344
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345 /*---------------------------------------------------------------------------*/
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346 /* Exception handling. */
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347
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348 #ifdef CYGPKG_KERNEL_EXCEPTIONS
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349 externC void cyg_exception_set_handler(
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350 cyg_code_t exception_number,
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351 cyg_exception_handler_t *new_handler,
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352 cyg_addrword_t new_data,
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353 cyg_exception_handler_t **old_handler,
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354 cyg_addrword_t *old_data
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355 )
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356 {
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357 Cyg_Thread::register_exception(
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358 exception_number,
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359 (cyg_exception_handler *)new_handler,
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360 (CYG_ADDRWORD)new_data,
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361 (cyg_exception_handler **)old_handler,
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362 (CYG_ADDRWORD *)old_data
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363 );
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364 }
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365
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366 /* Clear exception handler to default */
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367 externC void cyg_exception_clear_handler(
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368 cyg_code_t exception_number
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369 )
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370 {
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371 Cyg_Thread::deregister_exception( exception_number );
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372 }
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373
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374 /* Invoke exception handler */
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375 externC void cyg_exception_call_handler(
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376 cyg_handle_t thread,
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377 cyg_code_t exception_number,
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378 cyg_addrword_t error_code
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379 )
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380 {
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381 Cyg_Thread *t = (Cyg_Thread *)thread;
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382
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383 t->deliver_exception( exception_number, error_code );
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384 }
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385 #endif
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386
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387 /*---------------------------------------------------------------------------*/
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388 /* Interrupt handling */
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389
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390 externC void cyg_interrupt_create(
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391 cyg_vector_t vector, /* Vector to attach to */
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392 cyg_priority_t priority, /* Queue priority */
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393 cyg_addrword_t data, /* Data pointer */
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394 cyg_ISR_t *isr, /* Interrupt Service Routine */
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395 cyg_DSR_t *dsr, /* Deferred Service Routine */
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396 cyg_handle_t *handle, /* returned handle */
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397 cyg_interrupt *intr /* put interrupt here */
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398 )
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399 {
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400 CYG_ASSERT_SIZES( cyg_interrupt, Cyg_Interrupt );
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401
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402 Cyg_Interrupt *t = new((void *)intr) Cyg_Interrupt (
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403 (cyg_vector)vector,
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404 (cyg_priority)priority,
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405 (CYG_ADDRWORD)data,
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406 (cyg_ISR *)isr,
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407 (cyg_DSR *)dsr );
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408 t=t;
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409
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410 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
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411 *handle = (cyg_handle_t)intr;
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412 }
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413
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414 externC void cyg_interrupt_delete( cyg_handle_t interrupt)
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415 {
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416 ((Cyg_Interrupt *)interrupt)->~Cyg_Interrupt();
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417 }
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418
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419 void cyg_interrupt_attach( cyg_handle_t interrupt )
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420 {
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421 ((Cyg_Interrupt *)interrupt)->attach();
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422 }
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423
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424 void cyg_interrupt_detach( cyg_handle_t interrupt )
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425 {
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426 ((Cyg_Interrupt *)interrupt)->detach();
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427 }
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428
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429 /* VSR manipulation */
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430
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431 externC void cyg_interrupt_get_vsr(
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432 cyg_vector_t vector, /* vector to get */
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433 cyg_VSR_t **vsr /* vsr got */
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434 )
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435 {
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436 Cyg_Interrupt::get_vsr( (cyg_vector)vector, (cyg_VSR **)vsr);
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437 }
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438
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439 externC void cyg_interrupt_set_vsr(
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440 cyg_vector_t vector, /* vector to set */
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441 cyg_VSR_t *vsr /* vsr to set */
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442 )
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443 {
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444 Cyg_Interrupt::set_vsr( (cyg_vector)vector, (cyg_VSR *)vsr);
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445 }
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446
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447 /* CPU level interrupt mask */
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448 externC void cyg_interrupt_disable()
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449 {
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450 Cyg_Interrupt::disable_interrupts();
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451 }
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452
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453 externC void cyg_interrupt_enable()
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454 {
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455 Cyg_Interrupt::enable_interrupts();
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456 }
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457
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458 /* Interrupt controller access */
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459 externC void cyg_interrupt_mask(cyg_vector_t vector)
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460 {
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461 Cyg_Interrupt::mask_interrupt( (cyg_vector)vector);
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462 }
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463
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464 externC void cyg_interrupt_mask_intunsafe(cyg_vector_t vector)
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465 {
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466 Cyg_Interrupt::mask_interrupt_intunsafe( (cyg_vector)vector);
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467 }
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468
0
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469 externC void cyg_interrupt_unmask(cyg_vector_t vector)
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470 {
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471 Cyg_Interrupt::unmask_interrupt( (cyg_vector)vector);
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472 }
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473
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474 externC void cyg_interrupt_unmask_intunsafe(cyg_vector_t vector)
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475 {
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476 Cyg_Interrupt::unmask_interrupt_intunsafe( (cyg_vector)vector);
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477 }
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478
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479 externC void cyg_interrupt_acknowledge(cyg_vector_t vector)
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480 {
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481 Cyg_Interrupt::acknowledge_interrupt( (cyg_vector)vector);
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482 }
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483
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484
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485 externC void cyg_interrupt_configure(
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486 cyg_vector_t vector, /* vector to configure */
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487 cyg_bool_t level, /* level or edge triggered */
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488 cyg_bool_t up /* rising/faling edge, high/low level*/
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489 )
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490 {
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491 Cyg_Interrupt::configure_interrupt( (cyg_vector)vector, level, up );
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492 }
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493
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494 externC void cyg_interrupt_set_cpu(
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495 cyg_vector_t vector, /* vector to control */
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496 cyg_cpu_t cpu /* CPU to set */
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497 )
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498 {
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499 #ifdef CYGPKG_KERNEL_SMP_SUPPORT
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500 Cyg_Interrupt::set_cpu( vector, cpu );
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501 #endif
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502 }
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503
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504 externC cyg_cpu_t cyg_interrupt_get_cpu(
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505 cyg_vector_t vector /* vector to control */
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506 )
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507 {
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508 #ifdef CYGPKG_KERNEL_SMP_SUPPORT
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509 return Cyg_Interrupt::get_cpu( vector );
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diff changeset
510 #else
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511 return CYG_KERNEL_CPU_THIS();
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diff changeset
512 #endif
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diff changeset
513
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514 }
0
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515
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516 /*---------------------------------------------------------------------------*/
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517 /* Counters, Clocks and Alarms */
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518
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519 externC void cyg_counter_create(
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520 cyg_handle_t *handle, /* returned counter handle */
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521 cyg_counter *counter /* put counter here */
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diff changeset
522 )
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523 {
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524 CYG_ASSERT_SIZES( cyg_counter, Cyg_Counter );
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525
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526 Cyg_Counter *t = new((void *)counter) Cyg_Counter ();
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diff changeset
527 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
528
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529 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
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diff changeset
530 *handle = (cyg_handle_t)counter;
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
531 }
3111d98ba7b3 Initial commit of eCos version 1.1
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532
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diff changeset
533 externC void cyg_counter_delete(cyg_handle_t counter)
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diff changeset
534 {
3111d98ba7b3 Initial commit of eCos version 1.1
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535 ((Cyg_Counter *)counter)->~Cyg_Counter();
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
536 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
537
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parents:
diff changeset
538 /* Return current value of counter */
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diff changeset
539 externC cyg_tick_count_t cyg_counter_current_value(cyg_handle_t counter)
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540 {
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541 return ((Cyg_Counter *)counter)->current_value();
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diff changeset
542 }
3111d98ba7b3 Initial commit of eCos version 1.1
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543
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jlarmour
parents:
diff changeset
544 /* Set new current value */
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
545 externC void cyg_counter_set_value(
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546 cyg_handle_t counter,
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547 cyg_tick_count_t new_value
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diff changeset
548 )
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549 {
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550 ((Cyg_Counter *)counter)->set_value( new_value );
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diff changeset
551 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
552
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
553 /* Advance counter by one tick */
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diff changeset
554 externC void cyg_counter_tick(cyg_handle_t counter)
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555 {
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556 ((Cyg_Counter *)counter)->tick();
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
557 }
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558
208
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diff changeset
559 /* Advance counter by multiple ticks */
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diff changeset
560 externC void cyg_counter_multi_tick(cyg_handle_t counter, cyg_tick_count_t ticks)
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561 {
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562 ((Cyg_Counter *)counter)->tick(ticks);
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563 }
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564
0
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565 /* Create a clock object */
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566 externC void cyg_clock_create(
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567 cyg_resolution_t resolution, /* Initial resolution */
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568 cyg_handle_t *handle, /* Returned clock handle */
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diff changeset
569 cyg_clock *clock /* put clock here */
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570 )
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571 {
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572 CYG_ASSERT_SIZES( cyg_clock, Cyg_Clock );
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573
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574 Cyg_Clock::cyg_resolution res;
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575
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576 res.dividend = resolution.dividend;
3111d98ba7b3 Initial commit of eCos version 1.1
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577 res.divisor = resolution.divisor;
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578
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579 Cyg_Clock *t = new((void *)clock) Cyg_Clock ( res );
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580 t=t;
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581
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582 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
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583 *handle = (cyg_handle_t)clock;
3111d98ba7b3 Initial commit of eCos version 1.1
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584 }
3111d98ba7b3 Initial commit of eCos version 1.1
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585
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diff changeset
586 externC void cyg_clock_delete(cyg_handle_t clock)
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587 {
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588 ((Cyg_Clock *)clock)->~Cyg_Clock();
3111d98ba7b3 Initial commit of eCos version 1.1
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589 }
3111d98ba7b3 Initial commit of eCos version 1.1
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590
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591 /* convert a clock handle to a counter handle so we can use the */
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592 /* counter API on it. */
3111d98ba7b3 Initial commit of eCos version 1.1
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593 externC void cyg_clock_to_counter(
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diff changeset
594 cyg_handle_t clock,
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diff changeset
595 cyg_handle_t *counter
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diff changeset
596 )
3111d98ba7b3 Initial commit of eCos version 1.1
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597 {
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598 CYG_CHECK_DATA_PTR( counter, "Bad counter handle pointer" );
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599 *counter = (cyg_handle_t)(Cyg_Counter *)clock;
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600 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
601
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
602 externC void cyg_clock_set_resolution(
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diff changeset
603 cyg_handle_t clock,
3111d98ba7b3 Initial commit of eCos version 1.1
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604 cyg_resolution_t resolution /* New resolution */
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diff changeset
605 )
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
606 {
3111d98ba7b3 Initial commit of eCos version 1.1
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607 Cyg_Clock::cyg_resolution res;
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608
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609 res.dividend = resolution.dividend;
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610 res.divisor = resolution.divisor;
3111d98ba7b3 Initial commit of eCos version 1.1
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611
3111d98ba7b3 Initial commit of eCos version 1.1
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612 ((Cyg_Clock *)clock)->set_resolution( res );
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diff changeset
613 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
614
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
615 externC cyg_resolution_t cyg_clock_get_resolution(cyg_handle_t clock)
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616 {
3111d98ba7b3 Initial commit of eCos version 1.1
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617 Cyg_Clock::cyg_resolution res =
3111d98ba7b3 Initial commit of eCos version 1.1
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618 ((Cyg_Clock *)clock)->get_resolution();
3111d98ba7b3 Initial commit of eCos version 1.1
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619
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diff changeset
620 cyg_resolution_t resolution;
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diff changeset
621
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622 resolution.dividend = res.dividend;
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
623 resolution.divisor = res.divisor;
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
624
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625 return resolution;
3111d98ba7b3 Initial commit of eCos version 1.1
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626 }
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627
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628 #ifdef CYGVAR_KERNEL_COUNTERS_CLOCK
3111d98ba7b3 Initial commit of eCos version 1.1
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629 externC cyg_handle_t cyg_real_time_clock(void)
3111d98ba7b3 Initial commit of eCos version 1.1
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630 {
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631 return (cyg_handle_t)Cyg_Clock::real_time_clock;
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diff changeset
632 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
633
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
634 externC cyg_tick_count_t cyg_current_time(void)
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
635 {
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636 return Cyg_Clock::real_time_clock->current_value();
3111d98ba7b3 Initial commit of eCos version 1.1
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637 }
3111d98ba7b3 Initial commit of eCos version 1.1
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638 #endif
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639
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diff changeset
640 externC void cyg_alarm_create(
3111d98ba7b3 Initial commit of eCos version 1.1
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641 cyg_handle_t counter, /* Attached to this counter */
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642 cyg_alarm_t *alarmfn, /* Call-back function */
2
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diff changeset
643 cyg_addrword_t data, /* Call-back data */
0
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644 cyg_handle_t *handle, /* Returned alarm object */
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
645 cyg_alarm *alarm /* put alarm here */
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
646 )
3111d98ba7b3 Initial commit of eCos version 1.1
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647 {
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
648 CYG_ASSERT_SIZES( cyg_alarm, Cyg_Alarm );
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
649
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
650 Cyg_Alarm *t = new((void *)alarm) Cyg_Alarm (
3111d98ba7b3 Initial commit of eCos version 1.1
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651 (Cyg_Counter *)counter,
2
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diff changeset
652 (cyg_alarm_fn *)alarmfn,
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diff changeset
653 (CYG_ADDRWORD)data
0
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diff changeset
654 );
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
655 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
656
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
657 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
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diff changeset
658 *handle = (cyg_handle_t)alarm;
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
659 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
660
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
661 /* Disable alarm, detach from counter and invalidate handles */
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
662 externC void cyg_alarm_delete( cyg_handle_t alarm)
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
663 {
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
664 ((Cyg_Alarm *)alarm)->~Cyg_Alarm();
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
665 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
666
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
667 externC void cyg_alarm_initialize(
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diff changeset
668 cyg_handle_t alarm,
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
669 cyg_tick_count_t trigger, /* Absolute trigger time */
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
670 cyg_tick_count_t interval /* Relative retrigger interval */
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
671 )
3111d98ba7b3 Initial commit of eCos version 1.1
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672 {
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
673 ((Cyg_Alarm *)alarm)->initialize(
2
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diff changeset
674 (cyg_tick_count)trigger,
443894e2e912 Block commit of eCos version 1.2.1
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diff changeset
675 (cyg_tick_count)interval);
0
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
676 }
3111d98ba7b3 Initial commit of eCos version 1.1
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diff changeset
677
208
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diff changeset
678 externC void cyg_alarm_get_times(
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diff changeset
679 cyg_handle_t alarm,
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diff changeset
680 cyg_tick_count_t *trigger, /* Next trigger time */
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diff changeset
681 cyg_tick_count_t *interval /* Current interval */
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diff changeset
682 )
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diff changeset
683 {
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diff changeset
684 ((Cyg_Alarm *)alarm)->get_times(
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diff changeset
685 (cyg_tick_count*)trigger,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
686 (cyg_tick_count*)interval);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
687 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 182
diff changeset
688
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
689 externC void cyg_alarm_enable( cyg_handle_t alarm )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
690 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
691 ((Cyg_Alarm *)alarm)->enable();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
692 }
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 externC void cyg_alarm_disable( cyg_handle_t alarm )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
695 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
696 ((Cyg_Alarm *)alarm)->disable();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
697 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
698
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
699 /*---------------------------------------------------------------------------*/
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
700 /* Mail boxes */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
701
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
702 externC void cyg_mbox_create(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
703 cyg_handle_t *handle,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
704 cyg_mbox *mbox
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
705 )
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 CYG_ASSERT_SIZES( cyg_mbox, Cyg_Mbox );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
708
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
709 Cyg_Mbox *t = new((void *)mbox) Cyg_Mbox();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
710 t=t;
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 CYG_CHECK_DATA_PTR( handle, "Bad handle pointer" );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
713 *handle = (cyg_handle_t)mbox;
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
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
716 externC void cyg_mbox_delete(cyg_handle_t mbox)
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_Mbox *)mbox)->~Cyg_Mbox();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
719 }
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 externC void *cyg_mbox_get(cyg_handle_t mbox)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
722 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
723 return ((Cyg_Mbox *)mbox)->get();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
724 }
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 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
727 void *cyg_mbox_timed_get(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
728 cyg_handle_t mbox,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
729 cyg_tick_count_t abstime
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
730 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
731 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
732 return ((Cyg_Mbox *)mbox)->get(abstime);
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 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
735
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
736 externC void *cyg_mbox_tryget(cyg_handle_t mbox)
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 return ((Cyg_Mbox *)mbox)->tryget();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
739 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
740
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
741 externC void *cyg_mbox_peek_item(cyg_handle_t mbox)
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 return ((Cyg_Mbox *)mbox)->peek_item();
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
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
746 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
747 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
748 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
749 return ((Cyg_Mbox *)mbox)->put(item);
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
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
752 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
753 externC cyg_bool_t cyg_mbox_timed_put(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
754 cyg_handle_t mbox,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
755 void *item,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
756 cyg_tick_count_t abstime
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 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
759 return ((Cyg_Mbox *)mbox)->put(item, abstime);
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 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
762 #endif
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 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
765 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
766 return ((Cyg_Mbox *)mbox)->tryput(item);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
767 }
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 externC cyg_count32 cyg_mbox_peek(cyg_handle_t mbox)
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
770 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
771 return ((Cyg_Mbox *)mbox)->peek();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
772 }
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 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
775 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
776 return ((Cyg_Mbox *)mbox)->waiting_to_get();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
777 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
778
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
779 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
780 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
781 return ((Cyg_Mbox *)mbox)->waiting_to_put();
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
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 /* Semaphores */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
787
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
788 externC void cyg_semaphore_init(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
789 cyg_sem_t *sem, /* Semaphore to init */
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
790 cyg_count32 val /* Initial semaphore value */
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
791 )
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_ASSERT_SIZES( cyg_sem_t, Cyg_Counting_Semaphore );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
794
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
795 Cyg_Counting_Semaphore *t = new((void *)sem) Cyg_Counting_Semaphore(val);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
796 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
797 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
798
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
799 externC void cyg_semaphore_destroy( cyg_sem_t *sem )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
800 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
801 ((Cyg_Counting_Semaphore *)sem)->~Cyg_Counting_Semaphore();
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
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 105
diff changeset
804 externC cyg_bool_t cyg_semaphore_wait( cyg_sem_t *sem )
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
805 {
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 105
diff changeset
806 return ((Cyg_Counting_Semaphore *)sem)->wait();
0
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 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
810 externC cyg_bool_t cyg_semaphore_timed_wait(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
811 cyg_sem_t *sem,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
812 cyg_tick_count_t abstime
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
813 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
814 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
815 return ((Cyg_Counting_Semaphore *)sem)->wait(abstime);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
816 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
817 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
818
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
819
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
820 externC int cyg_semaphore_trywait( cyg_sem_t *sem )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
821 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
822 return ((Cyg_Counting_Semaphore *)sem)->trywait();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
823 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
824
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
825 externC void cyg_semaphore_post( cyg_sem_t *sem )
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_Counting_Semaphore *)sem)->post();
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
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
830 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
831 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
832 CYG_CHECK_DATA_PTR( val, "Bad val parameter" );
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 *val = ((Cyg_Counting_Semaphore *)sem)->peek();
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
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 /*---------------------------------------------------------------------------*/
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
839 /* Flags */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
840
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
841 void cyg_flag_init(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
842 cyg_flag_t *flag /* Flag to init */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
843 )
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_ASSERT_SIZES( cyg_flag_t, Cyg_Flag );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
846 CYG_ASSERT(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
847 ( Cyg_Flag::AND == CYG_FLAG_WAITMODE_AND ) &&
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
848 ( Cyg_Flag::OR == CYG_FLAG_WAITMODE_OR ) &&
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
849 ( Cyg_Flag::CLR == CYG_FLAG_WAITMODE_CLR ),
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
850 "CYG_FLAG_WAITMODE_xxx definition != C++ Cyg_Flag::xxx" );
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 Cyg_Flag *t = new((void *)flag) Cyg_Flag();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
853 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
854 }
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 void cyg_flag_destroy( cyg_flag_t *flag )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
857 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
858 ((Cyg_Flag *)flag)->~Cyg_Flag();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
859 }
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 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
862 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
863 ((Cyg_Flag *)flag)->setbits( value );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
864 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
865
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
866 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
867 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
868 ((Cyg_Flag *)flag)->maskbits( value );
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
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
871 cyg_flag_value_t cyg_flag_wait( cyg_flag_t *flag,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
872 cyg_flag_value_t pattern,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
873 cyg_flag_mode_t mode )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
874 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
875 if ( 0 == pattern || 0 != (mode & ~3) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
876 return 0;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
877 return ((Cyg_Flag *)flag)->wait( pattern, mode );
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 }
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 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
882 cyg_flag_value_t cyg_flag_timed_wait( cyg_flag_t *flag,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
883 cyg_flag_value_t pattern,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
884 cyg_flag_mode_t mode,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
885 cyg_tick_count_t abstime )
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 if ( 0 == pattern || 0 != (mode & ~3) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
888 return 0;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
889 return ((Cyg_Flag *)flag)->wait( pattern, mode, abstime );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
890
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
891 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
892 #endif
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 cyg_flag_value_t cyg_flag_poll( cyg_flag_t *flag,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
895 cyg_flag_value_t pattern,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
896 cyg_flag_mode_t mode )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
897 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
898 if ( 0 == pattern || 0 != (mode & ~3) )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
899 return 0;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
900 return ((Cyg_Flag *)flag)->poll( pattern, mode );
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 }
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 cyg_flag_value_t cyg_flag_peek( cyg_flag_t *flag )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
905 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
906 return ((Cyg_Flag *)flag)->peek();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
907 }
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 cyg_bool_t cyg_flag_waiting( cyg_flag_t *flag )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
910 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
911 return ((Cyg_Flag *)flag)->waiting();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
912 }
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 /* Mutex */
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 externC void cyg_mutex_init(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
918 cyg_mutex_t *mutex /* Mutex to init */
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
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parents:
diff changeset
921 CYG_ASSERT_SIZES( cyg_mutex_t, Cyg_Mutex );
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
922
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
923 Cyg_Mutex *m = new((void *)mutex) Cyg_Mutex;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
924
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
925 m=m;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
926 }
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 externC void cyg_mutex_destroy( cyg_mutex_t *mutex )
3111d98ba7b3 Initial commit of eCos version 1.1
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parents:
diff changeset
929 {
38
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
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parents: 10
diff changeset
930 ((Cyg_Mutex *)mutex)->~Cyg_Mutex();
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
931 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
932
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
933 externC cyg_bool_t cyg_mutex_lock( cyg_mutex_t *mutex )
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
934 {
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
935 return ((Cyg_Mutex *)mutex)->lock();
0
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
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
938 externC cyg_bool_t cyg_mutex_trylock( cyg_mutex_t *mutex )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
939 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
940 return ((Cyg_Mutex *)mutex)->trylock();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
941 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
942
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
943 externC void cyg_mutex_unlock( cyg_mutex_t *mutex )
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 ((Cyg_Mutex *)mutex)->unlock();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
946 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
947
2
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
948 externC void cyg_mutex_release( cyg_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
949 {
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
950 ((Cyg_Mutex *)mutex)->release();
443894e2e912 Block commit of eCos version 1.2.1
jlarmour
parents: 0
diff changeset
951 }
443894e2e912 Block commit of eCos version 1.2.1
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parents: 0
diff changeset
952
177
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
953 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
954 externC void cyg_mutex_set_ceiling(
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
955 cyg_mutex_t *mutex,
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
956 cyg_priority_t priority )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
957 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
958 ((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
959 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
960 #endif
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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parents: 147
diff changeset
961
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
962 #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
963 externC void cyg_mutex_set_protocol(
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
964 cyg_mutex_t *mutex,
179
391299f9e541 Merge from eCos master repository on 2001-08-17-16:31:54-BST
jlarmour
parents: 178
diff changeset
965 enum cyg_mutex_protocol protocol )
177
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
966 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
967 ((Cyg_Mutex *)mutex)->set_protocol((Cyg_Mutex::cyg_protcol)protocol);
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
968 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
969 #endif
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
970
0
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 /* Condition Variables */
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 externC void cyg_cond_init(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
975 cyg_cond_t *cond, /* condition variable to init */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
976 cyg_mutex_t *mutex /* associated mutex */
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
977 )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
978 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
979 CYG_ASSERT_SIZES( cyg_cond_t, Cyg_Condition_Variable );
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_Condition_Variable *t = new((void *)cond) Cyg_Condition_Variable(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
982 *(Cyg_Mutex *)mutex);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
983 t=t;
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
984 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
985
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
986 externC void cyg_cond_destroy( cyg_cond_t *cond )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
987 {
38
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST
jlarmour
parents: 10
diff changeset
988 ((Cyg_Condition_Variable *)cond)->~Cyg_Condition_Variable();
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
989 }
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
990
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 105
diff changeset
991 externC cyg_bool_t cyg_cond_wait( cyg_cond_t *cond )
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
992 {
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents: 105
diff changeset
993 return ((Cyg_Condition_Variable *)cond)->wait();
0
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
994 }
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 externC void cyg_cond_signal( cyg_cond_t *cond )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
997 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
998 ((Cyg_Condition_Variable *)cond)->signal();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
999 }
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 externC void cyg_cond_broadcast( cyg_cond_t *cond )
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1002 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1003 ((Cyg_Condition_Variable *)cond)->broadcast();
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1004 }
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 #ifdef CYGMFN_KERNEL_SYNCH_CONDVAR_TIMED_WAIT
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1007 externC cyg_bool_t cyg_cond_timed_wait(
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1008 cyg_cond_t *cond,
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1009 cyg_tick_count_t abstime
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 {
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1012 return ((Cyg_Condition_Variable *)cond)->wait(abstime);
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1013 }
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 #endif
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
1016
177
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1017 /*---------------------------------------------------------------------------*/
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1018 /* Spinlocks */
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1019
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1020 externC void cyg_spinlock_init(
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1021 cyg_spinlock_t *lock, /* spinlock to initialize */
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1022 cyg_bool_t locked /* init locked or unlocked */
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1023 )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1024 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1025 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
1026
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1027 // 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
1028 Cyg_SpinLock *t = new((void *)lock) Cyg_SpinLock();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1029
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1030 // 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
jlarmour
parents: 147
diff changeset
1031 if( locked )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1032 t->spin();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1033 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1034
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1035 externC void cyg_spinlock_destroy( cyg_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1036 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1037 ((Cyg_SpinLock *)lock)->~Cyg_SpinLock();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
jlarmour
parents: 147
diff changeset
1038 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST
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1039
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1040 externC void cyg_spinlock_spin( cyg_spinlock_t *lock )
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1041 {
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1042 ((Cyg_SpinLock *)lock)->spin();
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1043 }
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1044
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1045 externC void cyg_spinlock_clear( cyg_spinlock_t *lock )
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1046 {
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1047 ((Cyg_SpinLock *)lock)->clear();
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1048 }
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1049
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1050 externC cyg_bool_t cyg_spinlock_try( cyg_spinlock_t *lock )
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1051 {
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1052 return ((Cyg_SpinLock *)lock)->trylock();
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1053 }
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1054
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1055 externC cyg_bool_t cyg_spinlock_test( cyg_spinlock_t *lock )
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1056 {
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1057 return ((Cyg_SpinLock *)lock)->test();
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1058 }
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1059
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1060 externC void cyg_spinlock_spin_intsave( cyg_spinlock_t *lock,
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1061 cyg_addrword_t *istate )
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1062 {
178
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1063 ((Cyg_SpinLock *)lock)->spin_intsave((CYG_INTERRUPT_STATE *)istate);
177
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1064 }
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1065
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1066 externC void cyg_spinlock_clear_intsave( cyg_spinlock_t *lock,
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1067 cyg_addrword_t istate )
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1068 {
178
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1069 ((Cyg_SpinLock *)lock)->clear_intsave((CYG_INTERRUPT_STATE)istate);
177
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1070 }
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1071
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1072
0
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1073 // -------------------------------------------------------------------------
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1074 // Check structure sizes.
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1075 // This class and constructor get run automatically in debug versions
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1076 // of the kernel and check that the structures configured in the C
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1077 // code are the same size as the C++ classes they should match.
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1078
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1079 #ifdef CYGPKG_INFRA_DEBUG
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1080
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1081 class Cyg_Check_Structure_Sizes
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1082 {
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1083 int dummy;
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1084 public:
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1085 Cyg_Check_Structure_Sizes( int x );
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1086
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1087 };
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1088
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1089 #define CYG_CHECK_SIZES(cstruct, cxxstruct) \
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1090 if( sizeof(cstruct) != sizeof(cxxstruct) ) \
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1091 { \
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1092 char *fmt = "Size of C struct " #cstruct \
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1093 " != size of C++ struct " #cxxstruct ; \
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1094 CYG_TRACE2(1, fmt, sizeof(cstruct) , sizeof(cxxstruct) ); \
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1095 fail = true; \
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1096 fmt = fmt; \
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1097 }
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1098
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1099 Cyg_Check_Structure_Sizes::Cyg_Check_Structure_Sizes(int x)
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1100 {
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1101 cyg_bool fail = false;
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1102
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1103 dummy = x+1;
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1104
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1105 CYG_CHECK_SIZES( cyg_thread, Cyg_Thread );
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1106 CYG_CHECK_SIZES( cyg_interrupt, Cyg_Interrupt );
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1107 CYG_CHECK_SIZES( cyg_counter, Cyg_Counter );
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1108 CYG_CHECK_SIZES( cyg_clock, Cyg_Clock );
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1109 CYG_CHECK_SIZES( cyg_alarm, Cyg_Alarm );
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1110 CYG_CHECK_SIZES( cyg_mbox, Cyg_Mbox );
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1111 CYG_CHECK_SIZES( cyg_sem_t, Cyg_Counting_Semaphore );
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1112 CYG_CHECK_SIZES( cyg_flag_t, Cyg_Flag );
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1113 CYG_CHECK_SIZES( cyg_mutex_t, Cyg_Mutex );
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1114 CYG_CHECK_SIZES( cyg_cond_t, Cyg_Condition_Variable );
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1115 CYG_CHECK_SIZES( cyg_spinlock_t, Cyg_SpinLock );
0
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1116
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1117 CYG_ASSERT( !fail, "Size checks failed");
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1118 }
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1119
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1120 static Cyg_Check_Structure_Sizes cyg_kapi_check_structure_sizes(1);
0
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1121
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1122 #endif
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1123
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1124
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1125 // -------------------------------------------------------------------------
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1126
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1127 #endif
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1128 // EOF common/kapi.cxx