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annotate packages/kernel/current/include/kapidata.h @ 143:6b5f480c6929 ecos-sw-2000-12-08

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Merge from eCos master repository on 2000-12-08-02:09:36-GMT
author jlarmour
date Fri, 08 Dec 2000 03:30:06 +0000
parents 6ed91473a1cd
children 8f2f7615e727
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1 #ifndef CYGONCE_KERNEL_KAPIDATA_H
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2 #define CYGONCE_KERNEL_KAPIDATA_H
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3
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4 /*=============================================================================
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5 //
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6 // kapidata.h
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7 //
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8 // Native API data structures
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9 //
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10 //==========================================================================
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11 //####COPYRIGHTBEGIN####
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12 //
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13 // -------------------------------------------
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14 // The contents of this file are subject to the Red Hat eCos Public License
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15 // Version 1.1 (the "License"); you may not use this file except in
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16 // compliance with the License. You may obtain a copy of the License at
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17 // http://www.redhat.com/
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18 //
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19 // Software distributed under the License is distributed on an "AS IS"
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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21 // License for the specific language governing rights and limitations under
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22 // the License.
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23 //
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24 // The Original Code is eCos - Embedded Configurable Operating System,
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25 // released September 30, 1998.
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26 //
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27 // The Initial Developer of the Original Code is Red Hat.
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28 // Portions created by Red Hat are
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29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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30 // All Rights Reserved.
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31 // -------------------------------------------
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32 //
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33 //####COPYRIGHTEND####
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34 //==========================================================================
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35 //#####DESCRIPTIONBEGIN####
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36 //
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37 // Author(s): nickg
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38 // Contributors: nickg
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39 // Date: 1998-03-13
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40 // Purpose: Native API data structures
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41 // Description: This file defines the structures used in the native API. The
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42 // sizes of these structures are dependent on the system
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43 // configuration and must be kept in step with their real
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44 // counterparts in the C++ headers.
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45 // Usage: included by kapi.h
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46 //
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47 //####DESCRIPTIONEND####
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48 //
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49 //==========================================================================*/
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50
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51 #include <pkgconf/kernel.h>
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52
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53 #include <cyg/infra/cyg_type.h>
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54 #include <cyg/hal/hal_intr.h> // exception defines
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55
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56 /*---------------------------------------------------------------------------*/
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57
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58 #ifdef __cplusplus
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59 extern "C" {
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60 #endif
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61
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62 /*---------------------------------------------------------------------------*/
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63
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64 #ifndef CYGNUM_KERNEL_SCHED_BITMAP_SIZE
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65 #if defined(CYGSEM_KERNEL_SCHED_MLQUEUE)
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66 #define CYGNUM_KERNEL_SCHED_BITMAP_SIZE 32
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67 #elif defined(CYGSEM_KERNEL_SCHED_BITMAP)
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68 #define CYGNUM_KERNEL_SCHED_BITMAP_SIZE 32
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69 #endif
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70 #endif
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71
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72 #if CYGNUM_KERNEL_SCHED_BITMAP_SIZE <= 8
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73 typedef cyg_ucount8 cyg_sched_bitmap;
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74 #elif CYGNUM_KERNEL_SCHED_BITMAP_SIZE <= 16
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75 typedef cyg_ucount16 cyg_sched_bitmap;
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76 #elif CYGNUM_KERNEL_SCHED_BITMAP_SIZE <= 32
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77 typedef cyg_ucount32 cyg_sched_bitmap;
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78 #elif CYGNUM_KERNEL_SCHED_BITMAP_SIZE <= 64
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79 typedef cyg_ucount64 cyg_sched_bitmap;
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80 #else
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81 #error Bitmaps greater than 64 bits not currently allowed
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82 #endif
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83
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84 typedef struct
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85 {
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86 #if defined(CYGSEM_KERNEL_SCHED_BITMAP)
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87
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88 cyg_sched_bitmap map;
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89
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90 #elif defined(CYGSEM_KERNEL_SCHED_MLQUEUE)
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91
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92 cyg_thread *queue;
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93
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94 #elif defined(CYGSEM_KERNEL_SCHED_LOTTERY)
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95
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96 cyg_thread *queue;
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97
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98 #else
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99
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100 #error Undefined scheduler type
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101
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102 #endif
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103 } cyg_threadqueue;
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104
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105 /*---------------------------------------------------------------------------*/
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106
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107 struct cyg_interrupt
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108 {
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109 cyg_vector_t vector;
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110 cyg_priority_t priority;
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111 cyg_ISR_t *isr;
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112 cyg_DSR_t *dsr;
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113 CYG_ADDRWORD data;
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114
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115 #ifdef CYGIMP_KERNEL_INTERRUPTS_DSRS_LIST
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116 cyg_ucount32 dsr_count;
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117 cyg_interrupt *next_dsr;
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118 #endif
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119 #ifdef CYGIMP_KERNEL_INTERRUPTS_CHAIN
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120 cyg_interrupt *next;
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121 #endif
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122 };
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123
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124
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125 /*---------------------------------------------------------------------------*/
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126
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127 struct cyg_counter
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128 {
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129 #if defined(CYGIMP_KERNEL_COUNTERS_SINGLE_LIST)
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130 cyg_alarm *alarm_list;
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131 #elif defined(CYGIMP_KERNEL_COUNTERS_MULTI_LIST)
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132 cyg_alarm *alarm_list[CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE];
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133 #endif
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134 cyg_tick_count_t counter;
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135 cyg_uint32 increment;
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136 };
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137
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138 /*---------------------------------------------------------------------------*/
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139
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140 struct cyg_clock
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141 {
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142 cyg_counter counter;
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143 cyg_resolution_t resolution;
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144 };
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145
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146 /*---------------------------------------------------------------------------*/
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147
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148 struct cyg_alarm
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149 {
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150 #if defined(CYGIMP_KERNEL_COUNTERS_SINGLE_LIST) || defined(CYGIMP_KERNEL_COUNTERS_MULTI_LIST)
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151 cyg_alarm *next;
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152 #endif
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153 cyg_counter *counter;
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154 cyg_alarm_t *alarm;
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155 CYG_ADDRWORD data;
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156 cyg_tick_count_t trigger;
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157 cyg_tick_count_t interval;
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158 cyg_bool enabled;
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159 };
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160
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161 /*---------------------------------------------------------------------------*/
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162 /* Exception controller */
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163
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164 #ifdef CYGPKG_KERNEL_EXCEPTIONS
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165 typedef struct
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166 {
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167 #ifdef CYGSEM_KERNEL_EXCEPTIONS_DECODE
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168 cyg_exception_handler_t *exception_handler[CYGNUM_HAL_EXCEPTION_COUNT];
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169
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170 CYG_ADDRWORD exception_data[CYGNUM_HAL_EXCEPTION_COUNT];
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171 #else
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172 cyg_exception_handler_t *exception_handler; // Handler function
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173
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174 CYG_ADDRWORD exception_data; // Handler data
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175 #endif
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176
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177 } cyg_exception_control;
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178
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179 #endif
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180
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181 /*---------------------------------------------------------------------------*/
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182 /* Thread structure */
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183
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184 typedef struct
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185 {
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186 CYG_ADDRESS stack_base; /* pointer to base of stack area */
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187 cyg_uint32 stack_size; /* size of stack area in bytes */
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188 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT
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189 CYG_ADDRESS stack_limit; /* movable stack limit */
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190 #endif
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191 CYG_ADDRESS stack_ptr; /* pointer to saved state on stack */
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192 CYG_ADDRWORD entry_point; /* main entry point (code pointer!) */
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193 CYG_ADDRWORD entry_data; /* entry point argument */
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194 #ifdef CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT
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195 void *saved_context; // If non-zero, this points at a more
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196 // interesting context than stack_ptr.
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197 #endif
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198
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199 } cyg_hardwarethread;
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200
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201 typedef struct
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202 {
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203 #if defined(CYGSEM_KERNEL_SCHED_BITMAP)
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204
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205 cyg_priority_t priority; /* current thread priority */
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206
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207 #elif defined(CYGSEM_KERNEL_SCHED_MLQUEUE)
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208
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209 cyg_thread *next;
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210 cyg_thread *prev;
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211
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212 cyg_priority_t priority; /* current thread priority */
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213
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214 #ifdef CYGSEM_KERNEL_SCHED_TIMESLICE_ENABLE
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215 cyg_bool timeslice_enabled; /* per-thread timeslice enable */
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216 #endif
0
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217 #elif defined(CYGSEM_KERNEL_SCHED_LOTTERY)
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218
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219 cyg_thread *next;
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220 cyg_thread *prev;
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221
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222 cyg_priority_t priority; /* current thread priority */
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223
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224 cyg_priority_t compensation_tickets; /* sleep compensation */
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225
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226 #else
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227
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228 #error Undefined scheduler type
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229
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230 #endif
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231
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232 cyg_threadqueue *queue;
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233
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234 #ifdef CYGSEM_KERNEL_SCHED_ASR_SUPPORT
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235 volatile cyg_bool asr_inhibit; // If true, blocks calls to ASRs
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236 volatile cyg_bool asr_pending; // If true, this thread's ASR should be called.
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237 #ifndef CYGSEM_KERNEL_SCHED_ASR_GLOBAL
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238 void (*asr)(CYG_ADDRWORD); // ASR function
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239 #endif
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240 #ifndef CYGSEM_KERNEL_SCHED_ASR_DATA_GLOBAL
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241 CYG_ADDRWORD asr_data; // ASR data pointer
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242 #endif
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243 #endif
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244 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL
0
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245 cyg_count32 mutex_count;
115
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246 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_SIMPLE
0
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247 cyg_priority_t original_priority;
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248 cyg_bool priority_inherited;
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249 #endif
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250 #endif
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251
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252 } cyg_schedthread;
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253
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254 typedef struct
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255 {
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256 cyg_alarm alarm;
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257 cyg_thread *thread;
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258 } cyg_threadtimer;
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259
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260
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261 typedef int cyg_reason_t; /* cyg_reason is originally an enum */
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262
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263 struct cyg_thread
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264 {
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265 cyg_hardwarethread hwthread;
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266 cyg_schedthread schedthread;
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267
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268 cyg_uint32 state;
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269 cyg_ucount32 suspend_count;
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270 cyg_ucount32 wakeup_count;
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271 CYG_ADDRWORD wait_info;
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272 cyg_uint16 unique_id;
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273
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274
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275 #if defined(CYGPKG_KERNEL_EXCEPTIONS) && !defined(CYGSEM_KERNEL_EXCEPTIONS_GLOBAL)
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276
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277 cyg_exception_control exception_control;
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278
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279 #endif
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280
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281 #ifdef CYGFUN_KERNEL_THREADS_TIMER
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282 cyg_threadtimer timer;
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283 #endif
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284
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285 cyg_reason_t sleep_reason;
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286 cyg_reason_t wake_reason;
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287
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288 #ifdef CYGVAR_KERNEL_THREADS_DATA
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289
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290 CYG_ADDRWORD thread_data[CYGNUM_KERNEL_THREADS_DATA_MAX];
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291
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292 #endif
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293
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294 #ifdef CYGVAR_KERNEL_THREADS_NAME
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295
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296 char *name;
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297
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298 #endif
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299
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300 #ifdef CYGVAR_KERNEL_THREADS_LIST
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301
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302 cyg_thread *list_next;
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303
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304 #endif
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305
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306 };
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307
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308 /*---------------------------------------------------------------------------*/
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309
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310 struct cyg_mbox
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311 {
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312 cyg_count32 base; /* index of first used slot */
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313 cyg_count32 count; /* count of used slots */
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314 cyg_threadqueue get_threadq; /* Queue of waiting threads */
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315 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
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316 cyg_threadqueue put_threadq; /* Queue of waiting threads */
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317 #endif
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318 void * itemqueue[ CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE ];
0
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319 };
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320
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321 /*---------------------------------------------------------------------------*/
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322
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323 struct cyg_sem_t
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324 {
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325 cyg_count32 count; /* The semaphore count */
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326 cyg_threadqueue queue; /* Queue of waiting threads */
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327 };
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328
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329 /*---------------------------------------------------------------------------*/
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330
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331 struct cyg_flag_t
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332 {
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333 cyg_flag_value_t value; /* The flag value */
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334 cyg_threadqueue queue; /* Queue of waiting threads */
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335 };
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336
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337 /*---------------------------------------------------------------------------*/
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338
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339 struct cyg_mutex_t
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340 {
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341 cyg_bool locked; /* true if locked */
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342 cyg_thread *owner; /* Current locking thread */
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343 cyg_threadqueue queue; /* Queue of waiting threads */
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344
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345 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_DYNAMIC
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346 cyg_uint32 protocol; /* this mutex's protocol */
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347 #endif
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348 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING
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349 cyg_priority_t ceiling; /* mutex priority ceiling */
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350 #endif
0
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351
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352 };
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353
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354 /*---------------------------------------------------------------------------*/
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355
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356 struct cyg_cond_t
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357 {
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358 cyg_mutex_t *mutex; /* Associated mutex */
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359 cyg_threadqueue queue; /* Queue of waiting threads */
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360 };
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361
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362 /*------------------------------------------------------------------------*/
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363
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364 /* Memory allocator types now come from the "memalloc" package which is */
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365 /* where the implementation lives. */
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366
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367 #include <cyg/memalloc/kapidata.h>
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368
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369 #ifdef __cplusplus
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370 }
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371 #endif
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372
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373 /*---------------------------------------------------------------------------*/
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374 /* EOF kapidata.h */
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375 #endif /* CYGONCE_KERNEL_KAPIDATA_H */