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annotate packages/kernel/current/include/kapidata.h @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 // ####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) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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15 //
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16 // eCos is free software; you can redistribute it and/or modify it under
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17 // the terms of the GNU General Public License as published by the Free
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18 // Software Foundation; either version 2 or (at your option) any later
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19 // version.
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20 //
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21 // eCos is distributed in the hope that it will be useful, but WITHOUT
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22 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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23 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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24 // for more details.
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25 //
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26 // You should have received a copy of the GNU General Public License
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27 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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28 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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29 //
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30 // As a special exception, if other files instantiate templates or use
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31 // macros or inline functions from this file, or you compile this file
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32 // and link it with other works to produce a work based on this file,
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33 // this file does not by itself cause the resulting work to be covered by
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34 // the GNU General Public License. However the source code for this file
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35 // must still be made available in accordance with section (3) of the GNU
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36 // General Public License v2.
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37 //
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38 // This exception does not invalidate any other reasons why a work based
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39 // on this file might be covered by the GNU General Public License.
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40 // -------------------------------------------
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41 // ####ECOSGPLCOPYRIGHTEND####
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42 //==========================================================================
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43 //#####DESCRIPTIONBEGIN####
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44 //
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45 // Author(s): nickg
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46 // Contributors: nickg
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47 // Date: 1998-03-13
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48 // Purpose: Native API data structures
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49 // Description: This file defines the structures used in the native API. The
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50 // sizes of these structures are dependent on the system
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51 // configuration and must be kept in step with their real
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52 // counterparts in the C++ headers.
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53 // IMPORTANT: It is NOT guaranteed that the fields of these
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54 // structures correspond to the equivalent fields in the
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55 // C++ classes they shadow.
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56 //
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57 // One oddity with this file is that the way many of the "mirror"
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58 // classes are defined with macros. The resulting structures
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59 // then have a "flat" layout, rather than just declaring a
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60 // member structure directly in the structure. The reason for
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61 // this is that as of GCC 3.x, the C++ compiler will optimise
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62 // classes by removing padding and reusing it for subsequent
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63 // members defined in a derived class. This affects some targets
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64 // (including PowerPC and MIPS at least) when a C++ base class
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65 // includes a long long. By instead arranging for the C structure
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66 // to just list all the members directly, the compiler will then
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67 // behave the same for the C structures as the C++ classes.
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68 //
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69 // This means that care has to be taken to follow the same
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70 // methodology if new stuff is added to this file. Even if
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71 // it doesn't contain long longs for your target, it may for
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72 // others, depending on HAL definitions.
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73 //
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74 // Usage: included by kapi.h
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75 //
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76 //####DESCRIPTIONEND####
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77 //
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78 //==========================================================================*/
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79
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80 #include <pkgconf/system.h>
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81 #include <pkgconf/kernel.h>
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82
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83 #include <cyg/infra/cyg_type.h>
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84 #include <cyg/hal/hal_intr.h> // exception defines
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85
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86 /*---------------------------------------------------------------------------*/
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87
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88 #ifdef __cplusplus
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89 extern "C" {
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90 #endif
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91
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92 /*---------------------------------------------------------------------------*/
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93
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94 #ifndef CYGNUM_KERNEL_SCHED_BITMAP_SIZE
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95 #if defined(CYGSEM_KERNEL_SCHED_MLQUEUE)
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96 #define CYGNUM_KERNEL_SCHED_BITMAP_SIZE 32
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97 #elif defined(CYGSEM_KERNEL_SCHED_BITMAP)
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98 #define CYGNUM_KERNEL_SCHED_BITMAP_SIZE 32
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99 #endif
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100 #endif
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101
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102 #if CYGNUM_KERNEL_SCHED_BITMAP_SIZE <= 8
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103 typedef cyg_ucount8 cyg_sched_bitmap;
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104 #elif CYGNUM_KERNEL_SCHED_BITMAP_SIZE <= 16
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105 typedef cyg_ucount16 cyg_sched_bitmap;
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106 #elif CYGNUM_KERNEL_SCHED_BITMAP_SIZE <= 32
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107 typedef cyg_ucount32 cyg_sched_bitmap;
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108 #elif CYGNUM_KERNEL_SCHED_BITMAP_SIZE <= 64
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109 typedef cyg_ucount64 cyg_sched_bitmap;
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110 #else
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111 #error Bitmaps greater than 64 bits not currently allowed
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112 #endif
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113
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114 typedef struct
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115 {
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116 #if defined(CYGSEM_KERNEL_SCHED_BITMAP)
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117
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118 cyg_sched_bitmap map;
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119
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120 #elif defined(CYGSEM_KERNEL_SCHED_MLQUEUE)
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121
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122 cyg_thread *queue;
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123
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124 #elif defined(CYGSEM_KERNEL_SCHED_LOTTERY)
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125
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126 cyg_thread *queue;
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127
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128 #else
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129
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130 #error Undefined scheduler type
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131
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132 #endif
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133 } cyg_threadqueue;
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134
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135 /*---------------------------------------------------------------------------*/
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136
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137 struct cyg_interrupt
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138 {
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139 cyg_vector_t vector;
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140 cyg_priority_t priority;
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141 cyg_ISR_t *isr;
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142 cyg_DSR_t *dsr;
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143 CYG_ADDRWORD data;
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144
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145 #ifdef CYGIMP_KERNEL_INTERRUPTS_DSRS_LIST
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146 cyg_ucount32 dsr_count;
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147 cyg_interrupt *next_dsr;
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148 #endif
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149 #ifdef CYGIMP_KERNEL_INTERRUPTS_CHAIN
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150 cyg_interrupt *next;
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151 #endif
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152 };
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153
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154
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155 /*---------------------------------------------------------------------------*/
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156
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157
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158 #if defined(CYGIMP_KERNEL_COUNTERS_SINGLE_LIST)
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159 # define CYG_COUNTER_ALARM_LIST_MEMBER \
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160 cyg_alarm *alarm_list;
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161 #elif defined(CYGIMP_KERNEL_COUNTERS_MULTI_LIST)
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162 # define CYG_COUNTER_ALARM_LIST_MEMBER \
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163 cyg_alarm *alarm_list[CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE];
181
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164 #else
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165 # define CYG_COUNTER_ALARM_LIST_MEMBER
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166 #endif
181
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167
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168 #define CYG_COUNTER_MEMBERS \
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169 CYG_COUNTER_ALARM_LIST_MEMBER \
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170 cyg_tick_count_t counter; \
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171 cyg_uint32 increment;
181
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172
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173 struct cyg_counter
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174 {
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175 CYG_COUNTER_MEMBERS
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176 };
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177
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178 /*---------------------------------------------------------------------------*/
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179
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180 struct cyg_clock
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181 {
181
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182 CYG_COUNTER_MEMBERS
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183 CYG_RESOLUTION_T_MEMBERS
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184 };
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185
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186 /*---------------------------------------------------------------------------*/
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187
181
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188
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189 #if defined(CYGIMP_KERNEL_COUNTERS_SINGLE_LIST) || \
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190 defined(CYGIMP_KERNEL_COUNTERS_MULTI_LIST)
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191 # define CYG_ALARM_LIST_MEMBERS \
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192 cyg_alarm *next; \
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193 cyg_alarm *prev;
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194 #else
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195 # define CYG_ALARM_LIST_MEMBERS
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196 #endif
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197
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198 #define CYG_ALARM_MEMBERS \
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199 CYG_ALARM_LIST_MEMBERS \
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200 cyg_counter *counter; \
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201 cyg_alarm_t *alarm; \
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202 CYG_ADDRWORD data; \
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203 cyg_tick_count_t trigger; \
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204 cyg_tick_count_t interval; \
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205 cyg_bool enabled;
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206
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207 struct cyg_alarm
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208 {
181
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209 CYG_ALARM_MEMBERS
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210 };
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211
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212 /*---------------------------------------------------------------------------*/
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213 /* Exception controller */
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214
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215 #ifdef CYGPKG_KERNEL_EXCEPTIONS
181
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216
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217 # ifdef CYGSEM_KERNEL_EXCEPTIONS_DECODE
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218 # define CYG_EXCEPTION_CONTROL_MEMBERS \
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219 cyg_exception_handler_t *exception_handler[CYGNUM_HAL_EXCEPTION_COUNT]; \
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220 CYG_ADDRWORD exception_data[CYGNUM_HAL_EXCEPTION_COUNT];
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221 # else
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222 # define CYG_EXCEPTION_CONTROL_MEMBERS \
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223 cyg_exception_handler_t *exception_handler; /* Handler function */ \
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224 CYG_ADDRWORD exception_data; /* Handler data */
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225 # endif
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226
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227 typedef struct
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228 {
181
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229 CYG_EXCEPTION_CONTROL_MEMBERS
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230 } cyg_exception_control;
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231
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232 #endif
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233
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234 /*---------------------------------------------------------------------------*/
181
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235 /* Hardware Thread structure */
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236
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237 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT
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238 # define CYG_HARDWARETHREAD_STACK_LIMIT_MEMBER \
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239 CYG_ADDRESS stack_limit; /* movable stack limit */
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240 #else
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241 # define CYG_HARDWARETHREAD_STACK_LIMIT_MEMBER
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242 #endif
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243
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244 #ifdef CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT
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245 # define CYG_HARDWARETHREAD_SAVED_CONTEXT_MEMBER \
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246 void *saved_context; // If non-zero, this points at a more
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247 // interesting context than stack_ptr.
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248 #else
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249 # define CYG_HARDWARETHREAD_SAVED_CONTEXT_MEMBER
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250 #endif
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251
208
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252 typedef void cyg_thread_entry(CYG_ADDRWORD data);
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253
181
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254 #define CYG_HARDWARETHREAD_MEMBERS \
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255 CYG_ADDRESS stack_base; /* pointer to base of stack area */ \
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256 cyg_uint32 stack_size; /* size of stack area in bytes */ \
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257 CYG_HARDWARETHREAD_STACK_LIMIT_MEMBER \
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258 CYG_ADDRESS stack_ptr; /* pointer to saved state on stack */ \
208
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259 cyg_thread_entry *entry_point; /* main entry point (code pointer!) */ \
181
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260 CYG_ADDRWORD entry_data; /* entry point argument */ \
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261 CYG_HARDWARETHREAD_SAVED_CONTEXT_MEMBER
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262
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263 typedef struct
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264 {
181
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265 CYG_HARDWARETHREAD_MEMBERS
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266 } cyg_hardwarethread;
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267
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268 /*---------------------------------------------------------------------------*/
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269 /* Scheduler Thread structure */
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270
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271 #ifdef CYGPKG_KERNEL_SMP_SUPPORT
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272 # define CYG_SCHEDTHREAD_CPU_MEMBER \
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273 cyg_uint32 cpu; // CPU id of cpu currently running
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274 #else
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275 # define CYG_SCHEDTHREAD_CPU_MEMBER
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276 #endif
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277
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278 #ifdef CYGSEM_KERNEL_SCHED_TIMESLICE
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279 # define CYG_SCHEDTHREAD_TIMESLICE_MEMBER \
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280 cyg_ucount32 timeslice_count; /* per-thread timeslice counter */
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281 #else
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282 # define CYG_SCHEDTHREAD_TIMESLICE_MEMBER
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283 #endif
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284
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285 #ifdef CYGSEM_KERNEL_SCHED_TIMESLICE_ENABLE
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286 # define CYG_SCHEDTHREAD_TIMESLICE_ENABLED_MEMBER \
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287 cyg_bool timeslice_enabled; /* per-thread timeslice enable */
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288 #else
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289 # define CYG_SCHEDTHREAD_TIMESLICE_ENABLED_MEMBER
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290 #endif
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291
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292 #if defined(CYGSEM_KERNEL_SCHED_BITMAP)
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293 # define CYG_SCHEDTHREAD_SCHEDIMP_MEMBERS \
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294 cyg_priority_t priority; /* current thread priority */
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295 #elif defined(CYGSEM_KERNEL_SCHED_MLQUEUE)
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296 # define CYG_SCHEDTHREAD_SCHEDIMP_MEMBERS \
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297 cyg_thread *next; \
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298 cyg_thread *prev; \
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299 cyg_priority_t priority; /* current thread priority */ \
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300 CYG_SCHEDTHREAD_CPU_MEMBER \
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301 CYG_SCHEDTHREAD_TIMESLICE_MEMBER \
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302 CYG_SCHEDTHREAD_TIMESLICE_ENABLED_MEMBER
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303 #elif defined(CYGSEM_KERNEL_SCHED_LOTTERY)
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304 # define CYG_SCHEDTHREAD_SCHEDIMP_MEMBERS \
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305 cyg_thread *next; \
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306 cyg_thread *prev; \
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307 cyg_priority_t priority; /* current thread priority */ \
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308 cyg_priority_t compensation_tickets; /* sleep compensation */
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309 #else
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310 # error Undefined scheduler type
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311 #endif
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312
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313 #ifndef CYGSEM_KERNEL_SCHED_ASR_GLOBAL
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314 # define CYG_SCHEDTHREAD_ASR_NONGLOBAL_MEMBER \
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315 void (*asr)(CYG_ADDRWORD); // ASR function
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316 #else
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317 # define CYG_SCHEDTHREAD_ASR_NONGLOBAL_MEMBER
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318 #endif
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319
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320 #ifndef CYGSEM_KERNEL_SCHED_ASR_DATA_GLOBAL
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321 # define CYG_SCHEDTHREAD_ASR_DATA_NONGLOBAL_MEMBER \
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322 CYG_ADDRWORD asr_data; // ASR data pointer
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323 #else
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324 # define CYG_SCHEDTHREAD_ASR_DATA_NONGLOBAL_MEMBER
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325 #endif
181
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326
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327 #ifdef CYGSEM_KERNEL_SCHED_ASR_SUPPORT
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328 # define CYG_SCHEDTHREAD_ASR_MEMBER \
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329 volatile cyg_ucount32 asr_inhibit; /* If true, blocks calls to ASRs */ \
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330 volatile cyg_bool asr_pending; /* If true, this thread's ASR */ \
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331 /* should be called. */ \
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332 CYG_SCHEDTHREAD_ASR_NONGLOBAL_MEMBER \
181
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333 CYG_SCHEDTHREAD_ASR_DATA_NONGLOBAL_MEMBER
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334 #else
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335 # define CYG_SCHEDTHREAD_ASR_MEMBER
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336 #endif
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337
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338 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_SIMPLE
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339 # define CYG_SCHEDTHREAD_MUTEX_INV_PROTO_SIMPLE_MEMBERS \
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340 cyg_priority_t original_priority; \
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341 cyg_bool priority_inherited;
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342 #else
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343 # define CYG_SCHEDTHREAD_MUTEX_INV_PROTO_SIMPLE_MEMBERS
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344 #endif
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345
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346 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL
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347 # define CYG_SCHEDTHREAD_MUTEX_INV_PROTO_MEMBERS \
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348 cyg_count32 mutex_count; \
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349 CYG_SCHEDTHREAD_MUTEX_INV_PROTO_SIMPLE_MEMBERS
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350 #else
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351 # define CYG_SCHEDTHREAD_MUTEX_INV_PROTO_MEMBERS
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352 #endif
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353
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354 #define CYG_SCHEDTHREAD_MEMBERS \
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355 CYG_SCHEDTHREAD_SCHEDIMP_MEMBERS \
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356 cyg_threadqueue *queue; \
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357 CYG_SCHEDTHREAD_ASR_MEMBER \
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358 CYG_SCHEDTHREAD_MUTEX_INV_PROTO_MEMBERS
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359
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360
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361 typedef struct
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362 {
181
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363 CYG_SCHEDTHREAD_MEMBERS
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364 } cyg_schedthread;
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365
771
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366 /* This compiler version test is required because the C++ ABI changed in
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367 GCC v3.x and GCC could now reuse "spare" space from base classes in derived
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368 classes, and in C++ land, cyg_alarm is a base class of cyg_threadtimer.
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369 */
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370 #if defined(__GNUC__) && (__GNUC__ < 3)
181
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371 #define CYG_THREADTIMER_MEMBERS \
182
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372 cyg_alarm alarm; \
181
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373 cyg_thread *thread;
771
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374 #else
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375 #define CYG_THREADTIMER_MEMBERS \
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376 CYG_ALARM_MEMBERS \
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377 cyg_thread *thread;
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378 #endif
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379
181
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380 /*---------------------------------------------------------------------------*/
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381 /* Thread structure */
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382
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383 typedef struct
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384 {
181
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385 CYG_THREADTIMER_MEMBERS
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386 } cyg_threadtimer;
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387
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388
208
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389 typedef enum
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390 {
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391 CYG_REASON_NONE,
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392 CYG_REASON_WAIT,
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393 CYG_REASON_DELAY,
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394 CYG_REASON_TIMEOUT,
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395 CYG_REASON_BREAK,
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396 CYG_REASON_DESTRUCT,
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397 CYG_REASON_EXIT,
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398 CYG_REASON_DONE
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399 } cyg_reason_t;
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400
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401 #if defined(CYGPKG_KERNEL_EXCEPTIONS) && !defined(CYGSEM_KERNEL_EXCEPTIONS_GLOBAL)
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402 # define CYG_THREAD_EXCEPTION_CONTROL_MEMBER \
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403 cyg_exception_control exception_control;
181
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404 #else
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405 # define CYG_THREAD_EXCEPTION_CONTROL_MEMBER
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406 #endif
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407
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408 #ifdef CYGFUN_KERNEL_THREADS_TIMER
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409 # define CYG_THREAD_TIMER_MEMBER \
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410 cyg_threadtimer timer;
181
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411 #else
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412 # define CYG_THREAD_TIMER_MEMBER
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413 #endif
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414
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415 #ifdef CYGVAR_KERNEL_THREADS_DATA
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416 # define CYG_THREAD_THREAD_DATA_MEMBER \
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417 CYG_ADDRWORD thread_data[CYGNUM_KERNEL_THREADS_DATA_MAX];
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418 #else
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419 # define CYG_THREAD_THREAD_DATA_MEMBER
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420 #endif
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421
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422 #ifdef CYGVAR_KERNEL_THREADS_NAME
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423 # define CYG_THREAD_NAME_MEMBER \
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424 char *name;
181
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425 #else
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426 # define CYG_THREAD_NAME_MEMBER
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427 #endif
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428
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429 #ifdef CYGVAR_KERNEL_THREADS_LIST
181
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430 # define CYG_THREAD_LIST_NEXT_MEMBER \
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431 cyg_thread *list_next;
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432 #else
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433 # define CYG_THREAD_LIST_NEXT_MEMBER
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434 #endif
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435
182
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436
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437
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438 #ifdef CYGSEM_KERNEL_THREADS_DESTRUCTORS_PER_THREAD
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439 struct Cyg_Destructor_Entry {
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440 cyg_thread_destructor_fn fn;
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441 cyg_addrword_t data;
182
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442 };
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443 # define CYG_THREAD_DESTRUCTORS_MEMBER \
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444 struct Cyg_Destructor_Entry destructors[ CYGNUM_KERNEL_THREADS_DESTRUCTORS ];
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445 #else
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446 # define CYG_THREAD_DESTRUCTORS_MEMBER
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447 #endif
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448
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449
181
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450 #define CYG_THREAD_MEMBERS \
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451 CYG_HARDWARETHREAD_MEMBERS \
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452 CYG_SCHEDTHREAD_MEMBERS \
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453 \
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454 cyg_uint32 state; \
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455 cyg_ucount32 suspend_count; \
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456 cyg_ucount32 wakeup_count; \
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457 CYG_ADDRWORD wait_info; \
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458 cyg_uint16 unique_id; \
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459 \
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460 CYG_THREAD_EXCEPTION_CONTROL_MEMBER \
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461 CYG_THREAD_TIMER_MEMBER \
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462 \
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463 cyg_reason_t sleep_reason; \
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464 cyg_reason_t wake_reason; \
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465 \
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466 CYG_THREAD_THREAD_DATA_MEMBER \
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467 CYG_THREAD_DESTRUCTORS_MEMBER \
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468 CYG_THREAD_NAME_MEMBER \
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469 CYG_THREAD_LIST_NEXT_MEMBER
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470
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471
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472 struct cyg_thread
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473 {
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474 CYG_THREAD_MEMBERS
0
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475 };
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476
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477 /*---------------------------------------------------------------------------*/
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478
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479 struct cyg_mbox
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480 {
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481 cyg_count32 base; /* index of first used slot */
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482 cyg_count32 count; /* count of used slots */
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483 cyg_threadqueue get_threadq; /* Queue of waiting threads */
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484 #ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
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485 cyg_threadqueue put_threadq; /* Queue of waiting threads */
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486 #endif
2
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487 void * itemqueue[ CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE ];
0
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488 };
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489
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490 /*---------------------------------------------------------------------------*/
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491
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492 struct cyg_sem_t
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493 {
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494 cyg_count32 count; /* The semaphore count */
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495 cyg_threadqueue queue; /* Queue of waiting threads */
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496 };
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497
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498 /*---------------------------------------------------------------------------*/
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499
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500 struct cyg_flag_t
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501 {
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502 cyg_flag_value_t value; /* The flag value */
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503 cyg_threadqueue queue; /* Queue of waiting threads */
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504 };
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505
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506 /*---------------------------------------------------------------------------*/
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507
208
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508 typedef enum
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509 {
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510 CYG_MUTEX_PROTOCOL_NONE,
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511 CYG_MUTEX_PROTOCOL_INHERIT,
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512 CYG_MUTEX_PROTOCOL_CEILING
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513 } cyg_mutex_protocol_t;
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514
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515 struct cyg_mutex_t
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516 {
208
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517 cyg_atomic locked; /* true if locked */
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518 cyg_thread *owner; /* Current locking thread */
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519 cyg_threadqueue queue; /* Queue of waiting threads */
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520
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521 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_DYNAMIC
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522 cyg_mutex_protocol_t protocol; /* this mutex's protocol */
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523 #endif
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524 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING
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525 cyg_priority_t ceiling; /* mutex priority ceiling */
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526 #endif
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527
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528 };
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529
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530 /*---------------------------------------------------------------------------*/
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531
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532 struct cyg_cond_t
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533 {
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534 cyg_mutex_t *mutex; /* Associated mutex */
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535 cyg_threadqueue queue; /* Queue of waiting threads */
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536 };
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537
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538 /*------------------------------------------------------------------------*/
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539
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540 struct cyg_spinlock_t
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541 {
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542 cyg_uint32 lock; /* lock word */
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543 };
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544
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545 /*------------------------------------------------------------------------*/
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546
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547 /* Memory allocator types now come from the "memalloc" package which is */
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548 /* where the implementation lives. */
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549
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550 #ifdef CYGPKG_MEMALLOC
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551 # include <cyg/memalloc/kapidata.h>
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552 #endif
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553
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554 #ifdef __cplusplus
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555 }
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556 #endif
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557
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558 /*---------------------------------------------------------------------------*/
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559 /* EOF kapidata.h */
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560 #endif /* CYGONCE_KERNEL_KAPIDATA_H */