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annotate packages/kernel/current/include/kapi.h @ 1436:1b465c781382

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New API for cyg_thread_get_id() - from Dan Jakubiec
author gthomas
date Tue, 09 Dec 2003 15:10:39 +0000
parents a65a4055f146
children 57cebf53b527
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1 #ifndef CYGONCE_KERNEL_KAPI_H
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2 #define CYGONCE_KERNEL_KAPI_H
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3
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4 /*==========================================================================
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5 //
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6 // kapi.h
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7 //
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8 // Native API for Kernel
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9 //
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10 //==========================================================================
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11 //####ECOSGPLCOPYRIGHTBEGIN####
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12 // -------------------------------------------
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13 // This file is part of eCos, the Embedded Configurable Operating System.
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14 // Copyright (C) 2002 Bart Veer
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15 // Copyright (C) 2002 Nick Garnett
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16 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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17 //
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18 // eCos is free software; you can redistribute it and/or modify it under
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19 // the terms of the GNU General Public License as published by the Free
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20 // Software Foundation; either version 2 or (at your option) any later version.
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21 //
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22 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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23 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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24 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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25 // for more details.
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26 //
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27 // You should have received a copy of the GNU General Public License along
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28 // with eCos; if not, write to the Free Software Foundation, Inc.,
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29 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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30 //
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31 // As a special exception, if other files instantiate templates or use macros
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32 // or inline functions from this file, or you compile this file and link it
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33 // with other works to produce a work based on this file, this file does not
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34 // by itself cause the resulting work to be covered by the GNU General Public
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35 // License. However the source code for this file must still be made available
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36 // in accordance with section (3) of the GNU General Public License.
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37 //
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38 // This exception does not invalidate any other reasons why a work based on
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39 // this file might be covered by the GNU General Public License.
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40 //
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41 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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42 // at http://sources.redhat.com/ecos/ecos-license/
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43 // -------------------------------------------
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44 //####ECOSGPLCOPYRIGHTEND####
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45 //==========================================================================
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46 //#####DESCRIPTIONBEGIN####
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47 //
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48 // Author(s): nickg, dsm
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49 // Contributors: nickg
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50 // Date: 1998-03-02
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51 // Purpose: Native API for Kernel
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52 // Description: This file describes the native API for using the kernel.
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53 // It is essentially a set of C wrappers for the C++ class
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54 // member functions.
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55 // Usage: #include <cyg/kernel/kapi.h>
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56 //
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57 //####DESCRIPTIONEND####
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58 //
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59 //========================================================================*/
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60
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61 #include <pkgconf/system.h>
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62 #include <pkgconf/kernel.h>
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63
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64 #ifdef CYGFUN_KERNEL_API_C
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65 #include <cyg/infra/cyg_type.h>
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66
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67 /*---------------------------------------------------------------------------*/
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68
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69 #ifdef __cplusplus
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70 extern "C" {
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71 #endif
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72
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73 /*---------------------------------------------------------------------------*/
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74 /* The following are derived types, they may have different */
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75 /* definitions from these depending on configuration. */
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76
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77 typedef CYG_ADDRWORD cyg_addrword_t; /* May hold pointer or word */
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78 typedef cyg_addrword_t cyg_handle_t; /* Object handle */
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79 typedef cyg_uint32 cyg_priority_t; /* type for priorities */
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80 typedef cyg_int32 cyg_code_t; /* type for various codes */
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81 typedef cyg_uint32 cyg_vector_t; /* Interrupt vector id */
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82 typedef cyg_uint32 cyg_cpu_t; /* CPU id type */
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83
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84 typedef cyg_uint64 cyg_tick_count_t;
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85
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86 typedef int cyg_bool_t;
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87
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88 /* Exception handler function definition */
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89 typedef void cyg_exception_handler_t(
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90 cyg_addrword_t data,
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91 cyg_code_t exception_number,
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92 cyg_addrword_t info
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93 );
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94
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95 /*---------------------------------------------------------------------------*/
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96 struct cyg_thread;
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97 typedef struct cyg_thread cyg_thread;
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98
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99 struct cyg_interrupt;
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100 typedef struct cyg_interrupt cyg_interrupt;
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101
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102 struct cyg_counter;
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103 typedef struct cyg_counter cyg_counter;
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104
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105 struct cyg_clock;
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106 typedef struct cyg_clock cyg_clock;
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107
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108 struct cyg_alarm;
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109 typedef struct cyg_alarm cyg_alarm;
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110
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111 struct cyg_mbox;
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112 typedef struct cyg_mbox cyg_mbox;
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113
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114 struct cyg_sem_t;
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115 typedef struct cyg_sem_t cyg_sem_t;
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116
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117 struct cyg_flag_t;
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118 typedef struct cyg_flag_t cyg_flag_t;
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119
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120 struct cyg_mutex_t;
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121 typedef struct cyg_mutex_t cyg_mutex_t;
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122
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123 struct cyg_cond_t;
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124 typedef struct cyg_cond_t cyg_cond_t;
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125
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126 struct cyg_spinlock_t;
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127 typedef struct cyg_spinlock_t cyg_spinlock_t;
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128
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129 /*---------------------------------------------------------------------------*/
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130 /* Scheduler operations */
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131
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132 /* Starts scheduler with created threads. Never returns. */
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133 void cyg_scheduler_start(void) CYGBLD_ATTRIB_NORET;
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134
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135 /* Lock and unlock the scheduler. When the scheduler is */
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136 /* locked thread preemption is disabled. */
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137 void cyg_scheduler_lock(void);
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138
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139 void cyg_scheduler_unlock(void);
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140
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141 /* Just like 'cyg_scheduler_lock()', but never take the lock higher than 1 */
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142 /* Thus this call is safe even if the scheduler is already locked and a */
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143 /* subsequent call to 'cyg_scheduler_unlock()' will completely unlock. */
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144 void cyg_scheduler_safe_lock(void);
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145
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146 /* Read the scheduler lock value. */
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147 cyg_ucount32 cyg_scheduler_read_lock(void);
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148
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149 /*---------------------------------------------------------------------------*/
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150 /* Thread operations */
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151
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152 typedef void cyg_thread_entry_t(cyg_addrword_t);
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153
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154 void cyg_thread_create(
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155 cyg_addrword_t sched_info, /* scheduling info (eg pri) */
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156 cyg_thread_entry_t *entry, /* entry point function */
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157 cyg_addrword_t entry_data, /* entry data */
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158 char *name, /* optional thread name */
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159 void *stack_base, /* stack base, NULL = alloc */
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160 cyg_ucount32 stack_size, /* stack size, 0 = default */
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161 cyg_handle_t *handle, /* returned thread handle */
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162 cyg_thread *thread /* put thread here */
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163 );
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164
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165 void cyg_thread_exit(void);
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166
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167 /* It may be necessary to arrange for the victim to run for it to disappear */
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168 cyg_bool_t cyg_thread_delete(cyg_handle_t thread); /* false if NOT deleted */
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169
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170 void cyg_thread_suspend(cyg_handle_t thread);
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171
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172 void cyg_thread_resume(cyg_handle_t thread);
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173
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174 void cyg_thread_kill(cyg_handle_t thread);
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175
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176 void cyg_thread_release(cyg_handle_t thread);
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177
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178 void cyg_thread_yield(void);
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179
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180 cyg_handle_t cyg_thread_self(void);
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181
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182 cyg_handle_t cyg_thread_idle_thread(void);
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183
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184 /* Priority manipulation */
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185
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186 void cyg_thread_set_priority(cyg_handle_t thread, cyg_priority_t priority );
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187
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188 cyg_priority_t cyg_thread_get_priority(cyg_handle_t thread);
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189 cyg_priority_t cyg_thread_get_current_priority(cyg_handle_t thread);
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190
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191 /* Deadline scheduling control (optional) */
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192
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193 void cyg_thread_deadline_wait(
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194 cyg_tick_count_t start_time, /* abs earliest start time */
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195 cyg_tick_count_t run_time, /* worst case execution time */
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196 cyg_tick_count_t deadline /* absolute deadline */
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197 );
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198
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199 void cyg_thread_delay(cyg_tick_count_t delay);
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200
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201 /* Stack information */
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202 cyg_addrword_t cyg_thread_get_stack_base(cyg_handle_t thread);
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203
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204 cyg_uint32 cyg_thread_get_stack_size(cyg_handle_t thread);
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205
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206 #ifdef CYGFUN_KERNEL_THREADS_STACK_MEASUREMENT
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207 cyg_uint32 cyg_thread_measure_stack_usage(cyg_handle_t thread);
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208 #endif
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209
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210 /*---------------------------------------------------------------------------*/
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211 /* Thread enumeration and information */
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212
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213 typedef struct
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214 {
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215 cyg_handle_t handle;
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216 cyg_uint16 id;
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217 cyg_uint32 state;
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218 char *name;
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219 cyg_priority_t set_pri;
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220 cyg_priority_t cur_pri;
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221 cyg_addrword_t stack_base;
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222 cyg_uint32 stack_size;
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223 cyg_uint32 stack_used;
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224 } cyg_thread_info;
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225
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226 cyg_bool_t cyg_thread_get_next( cyg_handle_t *thread, cyg_uint16 *id );
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227
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228 cyg_bool_t cyg_thread_get_info( cyg_handle_t thread,
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229 cyg_uint16 id,
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230 cyg_thread_info *info );
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231
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232 cyg_uint16 cyg_thread_get_id( cyg_handle_t thread );
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233
460
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234 cyg_handle_t cyg_thread_find( cyg_uint16 id );
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235
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236 /*---------------------------------------------------------------------------*/
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237 /* Per-thread Data */
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238
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239 #ifdef CYGVAR_KERNEL_THREADS_DATA
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240
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241 cyg_ucount32 cyg_thread_new_data_index(void);
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242
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243 void cyg_thread_free_data_index(cyg_ucount32 index);
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244
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245 CYG_ADDRWORD cyg_thread_get_data(cyg_ucount32 index);
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246
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247 CYG_ADDRWORD *cyg_thread_get_data_ptr(cyg_ucount32 index);
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248
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249 void cyg_thread_set_data(cyg_ucount32 index, CYG_ADDRWORD data);
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250
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251 #endif
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252
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253 /*---------------------------------------------------------------------------*/
210
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254 /* Thread destructors */
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255
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256 #ifdef CYGPKG_KERNEL_THREADS_DESTRUCTORS
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257
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258 typedef void (*cyg_thread_destructor_fn)(cyg_addrword_t);
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259
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260 cyg_bool_t cyg_thread_add_destructor( cyg_thread_destructor_fn fn,
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261 cyg_addrword_t data );
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262 cyg_bool_t cyg_thread_rem_destructor( cyg_thread_destructor_fn fn,
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263 cyg_addrword_t data );
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264 #endif
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265
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266 /*---------------------------------------------------------------------------*/
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267 /* Exception handling. */
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268
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269 /* Replace current exception handler, this may apply to either the */
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270 /* current thread, or to a global exception handler. The exception */
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271 /* number may be ignored, or used to specify a particular handler. */
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272
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273 void cyg_exception_set_handler(
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274 cyg_code_t exception_number,
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275 cyg_exception_handler_t *new_handler,
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276 cyg_addrword_t new_data,
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277 cyg_exception_handler_t **old_handler,
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278 cyg_addrword_t *old_data
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279 );
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280
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281 /* Clear exception hander to default value */
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282 void cyg_exception_clear_handler(
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283 cyg_code_t exception_number
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284 );
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285
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286 /* Invoke exception handler */
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287 void cyg_exception_call_handler(
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288 cyg_handle_t thread,
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289 cyg_code_t exception_number,
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290 cyg_addrword_t exception_info
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291 );
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292
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293
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294 /*---------------------------------------------------------------------------*/
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295 /* Interrupt handling */
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296 typedef void cyg_VSR_t(void);
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297 typedef cyg_uint32 cyg_ISR_t(cyg_vector_t vector, cyg_addrword_t data);
177
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298 typedef void cyg_DSR_t( cyg_vector_t vector,
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299 cyg_ucount32 count,
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300 cyg_addrword_t data);
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301
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302
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303 enum cyg_ISR_results
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304 {
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305 CYG_ISR_HANDLED = 1, /* Interrupt was handled */
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306 CYG_ISR_CALL_DSR = 2 /* Schedule DSR */
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307 };
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308
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309 void cyg_interrupt_create(
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310 cyg_vector_t vector, /* Vector to attach to */
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311 cyg_priority_t priority, /* Queue priority */
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312 cyg_addrword_t data, /* Data pointer */
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313 cyg_ISR_t *isr, /* Interrupt Service Routine */
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314 cyg_DSR_t *dsr, /* Deferred Service Routine */
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315 cyg_handle_t *handle, /* returned handle */
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316 cyg_interrupt *intr /* put interrupt here */
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317 );
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318
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319 void cyg_interrupt_delete( cyg_handle_t interrupt );
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320
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321 void cyg_interrupt_attach( cyg_handle_t interrupt );
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322
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323 void cyg_interrupt_detach( cyg_handle_t interrupt );
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324
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325 /* VSR manipulation */
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326
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327 void cyg_interrupt_get_vsr(
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328 cyg_vector_t vector, /* vector to get */
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329 cyg_VSR_t **vsr /* vsr got */
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330 );
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331
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332 void cyg_interrupt_set_vsr(
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333 cyg_vector_t vector, /* vector to set */
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334 cyg_VSR_t *vsr /* vsr to set */
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335 );
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336
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337 /* CPU level interrupt mask */
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338 void cyg_interrupt_disable(void);
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339
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340 void cyg_interrupt_enable(void);
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341
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342 /* Interrupt controller access */
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343 void cyg_interrupt_mask(cyg_vector_t vector);
208
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344 void cyg_interrupt_mask_intunsafe(cyg_vector_t vector);
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345
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346 void cyg_interrupt_unmask(cyg_vector_t vector);
208
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347 void cyg_interrupt_unmask_intunsafe(cyg_vector_t vector);
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348
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349 void cyg_interrupt_acknowledge(cyg_vector_t vector);
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350
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351 void cyg_interrupt_configure(
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352 cyg_vector_t vector, /* vector to configure */
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353 cyg_bool_t level, /* level or edge triggered */
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354 cyg_bool_t up /* rising/faling edge, high/low level*/
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355 );
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356
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357 void cyg_interrupt_set_cpu(
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358 cyg_vector_t vector, /* vector to control */
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359 cyg_cpu_t cpu /* CPU to set */
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360 );
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361
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362 cyg_cpu_t cyg_interrupt_get_cpu(
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363 cyg_vector_t vector /* vector to control */
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364 );
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365
0
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366 /*---------------------------------------------------------------------------*/
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367 /* Counters, Clocks and Alarms */
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368
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369 void cyg_counter_create(
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370 cyg_handle_t *handle, /* returned counter handle */
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371 cyg_counter *counter /* put counter here */
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372 );
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373
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374 void cyg_counter_delete(cyg_handle_t counter);
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375
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376 /* Return current value of counter */
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377 cyg_tick_count_t cyg_counter_current_value(cyg_handle_t counter);
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378
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379 /* Set new current value */
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380 void cyg_counter_set_value(
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381 cyg_handle_t counter,
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382 cyg_tick_count_t new_value
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383 );
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384
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385 /* Advance counter by one tick */
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386 void cyg_counter_tick(cyg_handle_t counter);
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387
208
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388 /* Advance counter by multiple ticks */
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389 void cyg_counter_multi_tick(cyg_handle_t counter, cyg_tick_count_t _ticks);
208
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390
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391
181
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392 #define CYG_RESOLUTION_T_MEMBERS \
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393 cyg_uint32 dividend; \
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394 cyg_uint32 divisor;
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395
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396 typedef struct
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397 {
181
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398 CYG_RESOLUTION_T_MEMBERS
0
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399 } cyg_resolution_t;
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400
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401 /* Create a clock object */
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402 void cyg_clock_create(
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403 cyg_resolution_t resolution, /* Initial resolution */
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404 cyg_handle_t *handle, /* Returned clock handle */
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405 cyg_clock *clock /* put clock here */
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406 );
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407
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408 void cyg_clock_delete(cyg_handle_t clock);
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409
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410 /* convert a clock handle to a counter handle so we can use the */
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411 /* counter API on it. */
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412 void cyg_clock_to_counter(
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413 cyg_handle_t clock,
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414 cyg_handle_t *counter
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415 );
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416
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417 void cyg_clock_set_resolution(
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418 cyg_handle_t clock,
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419 cyg_resolution_t resolution /* New resolution */
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420 );
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421
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422 cyg_resolution_t cyg_clock_get_resolution(cyg_handle_t clock);
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423
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424 /* handle of real time clock */
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425 cyg_handle_t cyg_real_time_clock(void);
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426
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427 /* returns value of real time clock's counter.
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428 This is the same as:
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429 (cyg_clock_to_counter(cyg_real_time_clock(), &h),
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430 cyg_counter_current_value(h)) */
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431 cyg_tick_count_t cyg_current_time(void);
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432
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433 /* Alarm handler function */
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434 typedef void cyg_alarm_t(cyg_handle_t alarm, cyg_addrword_t data);
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435
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436 void cyg_alarm_create(
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437 cyg_handle_t counter, /* Attached to this counter */
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438 cyg_alarm_t *alarmfn, /* Call-back function */
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439 cyg_addrword_t data, /* Call-back data */
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440 cyg_handle_t *handle, /* Returned alarm object */
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441 cyg_alarm *alarm /* put alarm here */
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442 );
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443
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444 /* Disable alarm, detach from counter and invalidate handles */
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445 void cyg_alarm_delete( cyg_handle_t alarm);
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446
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447 void cyg_alarm_initialize(
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448 cyg_handle_t alarm,
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449 cyg_tick_count_t trigger, /* Absolute trigger time */
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450 cyg_tick_count_t interval /* Relative retrigger interval */
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451 );
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452
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453 void cyg_alarm_get_times(
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454 cyg_handle_t alarm,
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455 cyg_tick_count_t *trigger, /* Next trigger time */
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456 cyg_tick_count_t *interval /* Current interval */
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457 );
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458
0
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459 void cyg_alarm_enable( cyg_handle_t alarm );
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460
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461 void cyg_alarm_disable( cyg_handle_t alarm );
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462
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463 /*---------------------------------------------------------------------------*/
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464 /* Mail boxes */
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465 void cyg_mbox_create(
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466 cyg_handle_t *handle,
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467 cyg_mbox *mbox
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468 );
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469
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470 void cyg_mbox_delete(cyg_handle_t mbox);
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471
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472 void *cyg_mbox_get(cyg_handle_t mbox);
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473
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474 #ifdef CYGFUN_KERNEL_THREADS_TIMER
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475 void *cyg_mbox_timed_get(
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476 cyg_handle_t mbox,
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477 cyg_tick_count_t abstime
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478 );
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479 #endif
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480
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481 void *cyg_mbox_tryget(cyg_handle_t mbox);
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482
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483 void *cyg_mbox_peek_item(cyg_handle_t mbox);
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484
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485 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
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486 cyg_bool_t cyg_mbox_put(cyg_handle_t mbox, void *item);
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487 #ifdef CYGFUN_KERNEL_THREADS_TIMER
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488 cyg_bool_t cyg_mbox_timed_put(
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489 cyg_handle_t mbox,
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490 void *item,
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491 cyg_tick_count_t abstime
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492 );
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493 #endif
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494 #endif
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495
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496 cyg_bool_t cyg_mbox_tryput(cyg_handle_t mbox, void *item);
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497
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498 cyg_count32 cyg_mbox_peek(cyg_handle_t mbox);
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499
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500 cyg_bool_t cyg_mbox_waiting_to_get(cyg_handle_t mbox);
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501
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502 cyg_bool_t cyg_mbox_waiting_to_put(cyg_handle_t mbox);
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503
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504
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505 /*-----------------------------------------------------------------------*/
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506 /* Memory pools */
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507
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508 /* These definitions are found in the "memalloc" package as this is */
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509 /* where the implementation lives. */
0
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510
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511 #ifdef CYGPKG_MEMALLOC
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512 # include <cyg/memalloc/kapi.h>
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513 #endif
0
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514
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515 /*---------------------------------------------------------------------------*/
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516 /* Semaphores */
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517
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518 void cyg_semaphore_init(
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519 cyg_sem_t *sem, /* Semaphore to init */
2
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520 cyg_count32 val /* Initial semaphore value */
0
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521 );
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522
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523 void cyg_semaphore_destroy( cyg_sem_t *sem );
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524
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525 cyg_bool_t cyg_semaphore_wait( cyg_sem_t *sem );
0
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526
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527 #ifdef CYGFUN_KERNEL_THREADS_TIMER
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528 cyg_bool_t cyg_semaphore_timed_wait(
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529 cyg_sem_t *sem,
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530 cyg_tick_count_t abstime
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531 );
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532 #endif
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533
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534 cyg_bool_t cyg_semaphore_trywait( cyg_sem_t *sem );
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535
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536 void cyg_semaphore_post( cyg_sem_t *sem );
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537
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538 void cyg_semaphore_peek( cyg_sem_t *sem, cyg_count32 *val );
0
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539
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540 /*---------------------------------------------------------------------------*/
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541 /* Flags */
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542
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543 typedef cyg_uint32 cyg_flag_value_t;
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544 typedef cyg_uint8 cyg_flag_mode_t;
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545 #define CYG_FLAG_WAITMODE_AND ((cyg_flag_mode_t)0) /* all bits must be set */
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546 #define CYG_FLAG_WAITMODE_OR ((cyg_flag_mode_t)2) /* any bit must be set */
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547 #define CYG_FLAG_WAITMODE_CLR ((cyg_flag_mode_t)1) /* clear when satisfied */
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548
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549 void cyg_flag_init(
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550 cyg_flag_t *flag /* Flag to init */
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551 );
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552
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553 void cyg_flag_destroy( cyg_flag_t *flag );
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554
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555 /* bitwise-or in the bits in value; awaken any waiting tasks whose
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556 condition is now satisfied */
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557 void cyg_flag_setbits( cyg_flag_t *flag, cyg_flag_value_t value);
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558
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559 /* bitwise-and with the the bits in value; this clears the bits which
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560 are not set in value. No waiting task can be awoken. */
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561 void cyg_flag_maskbits( cyg_flag_t *flag, cyg_flag_value_t value);
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562
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563 /* wait for the flag value to match the pattern, according to the mode.
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564 If mode includes CLR, set the flag value to zero when
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565 our pattern is matched. The return value is that which matched
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566 the request, or zero for an error/timeout return.
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567 Value must not itself be zero. */
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568 cyg_flag_value_t cyg_flag_wait( cyg_flag_t *flag,
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569 cyg_flag_value_t pattern,
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570 cyg_flag_mode_t mode );
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571
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572 #ifdef CYGFUN_KERNEL_THREADS_TIMER
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573 cyg_flag_value_t cyg_flag_timed_wait( cyg_flag_t *flag,
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574 cyg_flag_value_t pattern,
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575 cyg_flag_mode_t mode,
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576 cyg_tick_count_t abstime );
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577
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578 #endif
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579
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580 cyg_flag_value_t cyg_flag_poll( cyg_flag_t *flag,
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581 cyg_flag_value_t pattern,
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582 cyg_flag_mode_t mode );
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583
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584 cyg_flag_value_t cyg_flag_peek( cyg_flag_t *flag );
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585
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586 cyg_bool_t cyg_flag_waiting( cyg_flag_t *flag );
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587
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588 /*---------------------------------------------------------------------------*/
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589 /* Mutex */
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590
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591 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_DYNAMIC
179
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592 enum cyg_mutex_protocol
177
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593 {
179
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594 CYG_MUTEX_NONE = 0, // no inversion protocol
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595 CYG_MUTEX_INHERIT, // priority inheritance protocol
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596 CYG_MUTEX_CEILING // priority ceiling protocol
177
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597 };
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598 #endif
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599
0
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600 void cyg_mutex_init(
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601 cyg_mutex_t *mutex /* Mutex to init */
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602 );
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603
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604 void cyg_mutex_destroy( cyg_mutex_t *mutex );
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605
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606 cyg_bool_t cyg_mutex_lock( cyg_mutex_t *mutex );
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607
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608 cyg_bool_t cyg_mutex_trylock( cyg_mutex_t *mutex );
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609
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610 void cyg_mutex_unlock( cyg_mutex_t *mutex );
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611
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diff changeset
612 void cyg_mutex_release( cyg_mutex_t *mutex );
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613
177
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614 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING
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615 void cyg_mutex_set_ceiling( cyg_mutex_t *mutex, cyg_priority_t priority );
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616 #endif
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617
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618 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_DYNAMIC
179
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619 void cyg_mutex_set_protocol ( cyg_mutex_t *mutex, enum cyg_mutex_protocol protocol );
177
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620 #endif
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621
0
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622 /*---------------------------------------------------------------------------*/
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623 /* Condition Variables */
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624
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625 void cyg_cond_init(
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626 cyg_cond_t *cond, /* condition variable to init */
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627 cyg_mutex_t *mutex /* associated mutex */
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628 );
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629
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630 void cyg_cond_destroy( cyg_cond_t *cond );
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631
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632 cyg_bool_t cyg_cond_wait( cyg_cond_t *cond );
0
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633
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634 void cyg_cond_signal( cyg_cond_t *cond );
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635
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636 void cyg_cond_broadcast( cyg_cond_t *cond );
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637
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638 #ifdef CYGMFN_KERNEL_SYNCH_CONDVAR_TIMED_WAIT
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639 cyg_bool_t cyg_cond_timed_wait(
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640 cyg_cond_t *cond,
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641 cyg_tick_count_t abstime
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642 );
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643 #endif
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644
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645 /*---------------------------------------------------------------------------*/
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646 /* Spinlocks */
0
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647
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648 void cyg_spinlock_init(
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649 cyg_spinlock_t *lock, /* spinlock to initialize */
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650 cyg_bool_t locked /* init locked or unlocked */
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651 );
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652
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653 void cyg_spinlock_destroy( cyg_spinlock_t *lock );
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654
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655 void cyg_spinlock_spin( cyg_spinlock_t *lock );
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656
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657 void cyg_spinlock_clear( cyg_spinlock_t *lock );
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658
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659 cyg_bool_t cyg_spinlock_try( cyg_spinlock_t *lock );
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660
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661 cyg_bool_t cyg_spinlock_test( cyg_spinlock_t *lock );
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662
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663 void cyg_spinlock_spin_intsave( cyg_spinlock_t *lock,
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664 cyg_addrword_t *istate );
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665
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666 void cyg_spinlock_clear_intsave( cyg_spinlock_t *lock,
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667 cyg_addrword_t istate );
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668
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669 /*---------------------------------------------------------------------------*/
0
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670 #ifdef __cplusplus
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671 }
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672 #endif
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673
177
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674 /*---------------------------------------------------------------------------*/
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675
0
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676 #include <cyg/kernel/kapidata.h>
3111d98ba7b3 Initial commit of eCos version 1.1
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677
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
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678 /*---------------------------------------------------------------------------*/
3111d98ba7b3 Initial commit of eCos version 1.1
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679 /* EOF kapi.h */
3111d98ba7b3 Initial commit of eCos version 1.1
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680 #endif /* CYGFUN_KERNEL_API_C */
3111d98ba7b3 Initial commit of eCos version 1.1
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681 #endif /* CYGONCE_KERNEL_KAPI_H */