Mercurial > ecos-v2_0-branch
annotate packages/kernel/current/include/thread.inl @ 210:d2c90368aeef
Merge from eCos master repository on 2002-05-23-21:39:14-BST
| author | jlarmour |
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| date | Thu, 23 May 2002 22:59:51 +0000 |
| parents | e0c0827131d1 |
| children | 52f0600c2119 |
| rev | line source |
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| 0 | 1 #ifndef CYGONCE_KERNEL_THREAD_INL |
| 2 #define CYGONCE_KERNEL_THREAD_INL | |
| 3 | |
| 4 //========================================================================== | |
| 5 // | |
| 2 | 6 // thread.inl |
| 0 | 7 // |
| 2 | 8 // Thread class inlines |
| 0 | 9 // |
| 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 Red Hat, 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 version. |
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19 // |
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20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY |
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21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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23 // for more details. |
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24 // |
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25 // You should have received a copy of the GNU General Public License along |
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26 // with eCos; if not, write to the Free Software Foundation, Inc., |
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27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
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28 // |
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29 // As a special exception, if other files instantiate templates or use macros |
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30 // or inline functions from this file, or you compile this file and link it |
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31 // with other works to produce a work based on this file, this file does not |
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32 // by itself cause the resulting work to be covered by the GNU General Public |
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33 // License. However the source code for this file must still be made available |
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34 // in accordance with section (3) of the GNU General Public License. |
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35 // |
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36 // This exception does not invalidate any other reasons why a work based on |
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37 // this file might be covered by the GNU General Public License. |
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38 // |
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39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. |
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40 // at http://sources.redhat.com/ecos/ecos-license/ |
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41 // ------------------------------------------- |
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42 //####ECOSGPLCOPYRIGHTEND#### |
| 0 | 43 //========================================================================== |
| 44 //#####DESCRIPTIONBEGIN#### | |
| 45 // | |
| 2 | 46 // Author(s): nickg |
| 47 // Contributors: nickg | |
| 48 // Date: 1997-09-09 | |
| 49 // Purpose: Define inlines for thread classes | |
| 50 // Description: Inline implementations of various member functions defined | |
| 0 | 51 // in various Thread classes. |
| 52 // Usage: | |
| 53 // #include <cyg/kernel/thread.hxx> | |
| 54 // ... | |
| 2 | 55 // #include <cyg/kernel/thread.inl> |
| 56 // ... | |
| 0 | 57 |
| 58 // | |
| 59 //####DESCRIPTIONEND#### | |
| 60 // | |
| 61 //========================================================================== | |
| 62 | |
| 63 #include <cyg/kernel/thread.hxx> | |
| 64 #include <cyg/hal/hal_arch.h> | |
| 65 | |
| 66 #include <cyg/kernel/clock.inl> | |
| 67 | |
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68 #ifndef CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE |
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69 #define CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE (0) |
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70 #endif |
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71 |
| 0 | 72 //========================================================================== |
| 73 // Inlines for Cyg_HardwareThread | |
| 74 | |
| 75 // ------------------------------------------------------------------------- | |
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76 // get the size/base of this thread's stack |
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77 |
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78 inline CYG_ADDRESS |
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79 Cyg_HardwareThread::get_stack_base() |
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80 { |
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81 return stack_base - CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE; |
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82 } |
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83 |
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84 inline cyg_uint32 |
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85 Cyg_HardwareThread::get_stack_size() |
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86 { |
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87 return stack_size + 2 * CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE; |
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88 } |
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89 |
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90 // ------------------------------------------------------------------------- |
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91 // Check the stack bounds of this thread: |
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92 #ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING |
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93 inline void Cyg_HardwareThread::check_stack(void) |
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94 { |
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95 cyg_uint32 sig = (cyg_uint32)this; |
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96 cyg_uint32 *base = (cyg_uint32 *)get_stack_base(); |
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97 cyg_uint32 *top = (cyg_uint32 *)(stack_base + stack_size); |
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98 cyg_ucount32 i; |
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99 |
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100 CYG_INSTRUMENT_THREAD(CHECK_STACK, base, top ); |
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101 |
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102 CYG_ASSERT( 0 == ((sizeof(CYG_WORD)-1) & (cyg_uint32)base), "stack base not word aligned" ); |
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103 CYG_ASSERT( 0 == ((sizeof(CYG_WORD)-1) & (cyg_uint32)top), "stack top not word aligned" ); |
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104 |
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105 CYG_ASSERT( (cyg_uint32)stack_ptr > (cyg_uint32)stack_base, |
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106 "Stack_ptr below base" ); |
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107 CYG_ASSERT( (cyg_uint32)stack_ptr <= ((cyg_uint32)stack_base + stack_size), |
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108 "Stack_ptr above top" ); |
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109 |
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110 for ( i = 0; |
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111 i < CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE/sizeof(cyg_uint32); |
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112 i++ ) { |
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113 CYG_ASSERT( (sig ^ (i * 0x01010101)) == base[i], "Stack base corrupt" ); |
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114 CYG_ASSERT( (sig ^ (i * 0x10101010)) == top[i], "Stack top corrupt" ); |
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115 } |
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116 |
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117 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT |
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118 // we won't have added check data above the stack limit if it hasn't |
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119 // been incremented |
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120 if (stack_limit != stack_base) { |
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121 CYG_ADDRESS limit = stack_limit; |
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122 // the limit will be off by the check data size, so lets correct it |
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123 limit -= CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE; |
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124 |
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125 // determine base of check data by rounding up to nearest word aligned |
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126 // address if not already aligned |
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127 cyg_uint32 *p = (cyg_uint32 *)((limit + 3) & ~3); |
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128 // i.e. + sizeof(cyg_uint32)-1) & ~(sizeof(cyg_uint32)-1); |
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129 |
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130 for ( i = 0; |
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131 i < CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE/sizeof(cyg_uint32); |
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132 i++ ) { |
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133 CYG_ASSERT( (sig ^ (i * 0x01010101)) == p[i], |
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134 "Gap between stack limit and base corrupt" ); |
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135 } |
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136 } |
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137 #endif |
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138 } |
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139 #endif |
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140 |
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141 // ------------------------------------------------------------------------- |
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142 // Measure the stack usage of the thread |
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143 #ifdef CYGFUN_KERNEL_THREADS_STACK_MEASUREMENT |
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144 inline cyg_uint32 Cyg_HardwareThread::measure_stack_usage(void) |
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145 { |
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146 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT |
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147 CYG_WORD *base = (CYG_WORD *)stack_limit; |
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148 cyg_uint32 size = (stack_size - (stack_limit-stack_base))/sizeof(CYG_WORD); |
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149 #else |
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150 CYG_WORD *base = (CYG_WORD *)stack_base; |
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151 cyg_uint32 size = stack_size/sizeof(CYG_WORD); |
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152 #endif |
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153 cyg_ucount32 i; |
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154 |
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155 // Work up the stack comparing with the preset value |
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156 // We assume the stack grows downwards, hmm... |
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157 for (i=0; i<size; i++) { |
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158 if (base[i] != 0xDEADBEEF) |
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159 break; |
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160 } |
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161 return (size - i)*sizeof(CYG_WORD); |
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162 } |
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163 #endif |
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164 |
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165 // ------------------------------------------------------------------------- |
| 0 | 166 // Attach a stack to this thread. If there is a HAL defined macro to |
| 167 // do this, then we use that, otherwise assume a falling stack. | |
| 168 inline void Cyg_HardwareThread::attach_stack(CYG_ADDRESS s_base, cyg_uint32 s_size) | |
| 169 { | |
| 2 | 170 #ifdef CYGNUM_HAL_STACK_SIZE_MINIMUM |
| 171 CYG_ASSERT( s_size >= CYGNUM_HAL_STACK_SIZE_MINIMUM, | |
| 172 "Stack size too small"); | |
| 173 #endif | |
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174 |
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175 #ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING |
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176 { |
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177 cyg_uint32 sig = (cyg_uint32)this; |
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178 cyg_uint32 *base = (cyg_uint32 *)s_base; |
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179 cyg_uint32 *top = (cyg_uint32 *)(s_base + s_size - |
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180 CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE); |
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181 |
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182 unsigned int i; |
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183 |
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184 CYG_INSTRUMENT_THREAD(ATTACH_STACK, base, top ); |
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185 |
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186 CYG_ASSERT( NULL != base, "stack base non-NULL" ); |
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187 CYG_ASSERT( 0 == ((sizeof(CYG_WORD)-1) & (cyg_uint32)base), "stack base alignment" ); |
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188 CYG_ASSERT( 0 == ((sizeof(CYG_WORD)-1) & (cyg_uint32)top), "stack top alignment" ); |
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189 |
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190 for ( i = 0; |
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191 i < CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE/sizeof(cyg_uint32); |
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192 i++ ) { |
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193 base[i] = (sig ^ (i * 0x01010101)); |
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194 top[i] = (sig ^ (i * 0x10101010)); |
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195 } |
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196 // This check for overlap of the two signature areas also detects |
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197 // wrap round zero of the size in the unsigned subtraction below. |
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198 CYG_ASSERT( &base[i] < &top[0], "Stack is so small size wrapped" ); |
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199 // Use this 'i' expression to round correctly to whole words. |
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200 s_base += i * sizeof(cyg_uint32); |
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201 s_size -= i * sizeof(cyg_uint32) * 2; |
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202 // This is a complete guess, the 256; the point is to assert early that |
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203 // this might go badly wrong. It would not detect wrap of unsigned size. |
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204 CYG_ASSERT( s_size >= 256, |
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205 "Stack size too small after allocating checking buffer"); |
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206 } |
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207 #endif |
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208 #ifdef CYGFUN_KERNEL_THREADS_STACK_MEASUREMENT |
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209 { |
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210 CYG_WORD *base = (CYG_WORD *)s_base; |
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211 cyg_uint32 size = s_size/sizeof(CYG_WORD); |
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212 cyg_ucount32 i; |
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213 |
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214 // initialize all of stack with known value - don't choose 0 |
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215 // could do with pseudo value as above, but this way, checking |
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216 // is faster |
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217 for (i=0; i<size; i++) { |
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218 base[i] = 0xDEADBEEF; |
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219 } |
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220 // Don't bother about the case when the stack isn't a multiple of |
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221 // CYG_WORD in size. Since it's at the top of the stack, it will |
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222 // almost certainly be overwritten the instant the thread starts |
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223 // anyway. |
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224 } |
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225 #endif |
| 0 | 226 stack_base = s_base; |
| 227 stack_size = s_size; | |
| 228 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT | |
| 229 stack_limit = s_base; | |
| 230 #endif | |
| 231 | |
| 232 #ifdef HAL_THREAD_ATTACH_STACK | |
| 233 | |
| 234 HAL_THREAD_ATTACH_STACK(stack_ptr, stack_base, stack_size); | |
| 235 | |
| 236 #else | |
| 237 | |
| 238 stack_ptr = stack_base + stack_size; | |
| 239 | |
| 240 #endif | |
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241 |
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242 #ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING |
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243 check_stack(); |
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244 #endif |
| 0 | 245 } |
| 246 | |
| 247 // ------------------------------------------------------------------------- | |
| 248 | |
| 249 inline Cyg_HardwareThread::Cyg_HardwareThread( | |
| 250 cyg_thread_entry *e_point, // entry point function | |
| 251 CYG_ADDRWORD e_data, // entry data | |
| 252 cyg_ucount32 s_size, // stack size, 0 = use default | |
| 253 CYG_ADDRESS s_base // stack base, NULL = allocate | |
| 254 ) | |
| 255 { | |
| 256 entry_point = e_point; | |
| 257 entry_data = e_data; | |
| 258 #ifdef CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT | |
| 259 saved_context = 0; | |
| 260 #endif | |
| 261 | |
| 262 attach_stack( s_base, s_size ); | |
| 263 }; | |
| 264 | |
| 265 // ------------------------------------------------------------------------- | |
| 266 | |
| 267 #ifdef CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT | |
| 268 | |
| 269 // Return the current saved state for this thread. | |
| 270 inline HAL_SavedRegisters *Cyg_HardwareThread::get_saved_context() | |
| 271 { | |
| 272 HAL_SavedRegisters *regs; | |
| 273 if( saved_context != 0 ) regs = saved_context; | |
| 274 else HAL_THREAD_GET_SAVED_REGISTERS( stack_ptr, regs ); | |
| 275 return regs; | |
| 276 } | |
| 277 | |
| 278 inline void Cyg_HardwareThread::set_saved_context(HAL_SavedRegisters *ctx) | |
| 279 { | |
| 280 saved_context = ctx; | |
| 281 } | |
| 282 | |
| 283 #endif | |
| 284 | |
| 285 // ------------------------------------------------------------------------- | |
| 286 // (declare this inline before its first use) | |
| 287 | |
| 288 inline cyg_uint16 Cyg_Thread::get_unique_id() | |
| 289 { | |
| 290 return unique_id; | |
| 291 } | |
| 292 | |
| 293 // ------------------------------------------------------------------------- | |
| 294 // Initialize the context of this thread. | |
| 295 | |
| 296 inline void Cyg_HardwareThread::init_context(Cyg_Thread *thread) | |
| 297 { | |
| 298 #ifdef CYGPKG_INFRA_DEBUG | |
| 299 cyg_uint32 threadid = thread->get_unique_id()*0x01010000; | |
| 300 #else | |
| 301 cyg_uint32 threadid = 0x11110000; | |
| 302 #endif | |
| 303 HAL_THREAD_INIT_CONTEXT( stack_ptr, thread, thread_entry, threadid ); | |
| 304 } | |
| 305 | |
| 306 | |
| 307 | |
| 308 // ------------------------------------------------------------------------- | |
| 309 // Save current thread's context and load that of the given next thread. | |
| 310 // This function is only really here for completeness, the | |
| 311 // kernel generally calls the HAL macros directly. | |
| 312 | |
| 313 inline void Cyg_HardwareThread::switch_context(Cyg_HardwareThread *next) | |
| 314 { | |
| 315 HAL_THREAD_SWITCH_CONTEXT( &stack_ptr, &next->stack_ptr ); | |
| 316 } | |
| 317 | |
| 318 // ------------------------------------------------------------------------- | |
| 319 // Get and set entry_data. | |
| 320 | |
| 321 inline void Cyg_HardwareThread::set_entry_data( CYG_ADDRWORD data ) | |
| 322 { | |
| 323 entry_data = data; | |
| 324 } | |
| 325 | |
| 326 inline CYG_ADDRWORD Cyg_HardwareThread::get_entry_data() | |
| 327 { | |
| 328 return entry_data; | |
| 329 } | |
| 330 | |
| 331 // ------------------------------------------------------------------------- | |
| 332 // Allocate some memory at the lower end of the stack | |
| 333 // by moving the stack limit pointer. | |
| 334 | |
| 335 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT | |
| 336 | |
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337 #ifndef CYGFUN_KERNEL_THREADS_STACK_CHECKING |
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338 // if stack checking, implementation is in thread.cxx |
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339 inline void *Cyg_HardwareThread::increment_stack_limit( cyg_ucount32 size ) |
| 0 | 340 { |
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341 void *ret = (void *)stack_limit; |
| 0 | 342 stack_limit += size; |
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343 return ret; |
| 0 | 344 } |
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345 #endif |
| 0 | 346 |
| 347 inline CYG_ADDRESS | |
| 348 Cyg_HardwareThread::get_stack_limit() | |
| 349 { | |
| 350 return stack_limit; | |
| 351 } | |
| 352 | |
| 353 #endif | |
| 354 | |
| 355 //========================================================================== | |
| 356 // Inlines for Cyg_Thread class | |
| 357 | |
| 358 inline Cyg_Thread *Cyg_Thread::self() | |
| 359 { | |
| 360 return Cyg_Scheduler::get_current_thread(); | |
| 361 } | |
| 362 | |
| 363 // ------------------------------------------------------------------------- | |
| 364 | |
| 365 inline void Cyg_Thread::yield() | |
| 366 { | |
| 367 self()->Cyg_SchedThread::yield(); | |
| 368 } | |
| 369 | |
| 370 // ------------------------------------------------------------------------- | |
| 371 | |
| 372 inline void | |
| 373 Cyg_Thread::rotate_queue( cyg_priority pri ) | |
| 374 { | |
| 375 self()->Cyg_SchedThread::rotate_queue( pri ); | |
| 376 } | |
| 2 | 377 |
| 378 // ------------------------------------------------------------------------- | |
| 379 | |
| 380 inline void | |
| 381 Cyg_Thread::to_queue_head( void ) | |
| 382 { | |
| 383 this->Cyg_SchedThread::to_queue_head(); | |
| 384 } | |
| 0 | 385 |
| 386 // ------------------------------------------------------------------------- | |
| 387 | |
| 388 #ifdef CYGIMP_THREAD_PRIORITY | |
| 389 | |
| 390 inline cyg_priority Cyg_Thread::get_priority() | |
| 391 { | |
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392 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_SIMPLE |
| 0 | 393 |
| 394 // If we have an inherited priority, return our original | |
| 395 // priority rather than the current one. | |
| 396 | |
| 397 if( priority_inherited ) return original_priority; | |
| 398 | |
| 399 #endif | |
| 400 | |
| 401 return priority; | |
| 402 } | |
| 403 | |
| 404 // Return the actual dispatching priority of the thread | |
| 405 // regardless of inheritance or scheduling concerns. | |
| 406 inline cyg_priority Cyg_Thread::get_current_priority() | |
| 407 { | |
| 408 return priority; | |
| 409 } | |
| 410 | |
| 411 #endif | |
| 412 | |
| 413 // ------------------------------------------------------------------------- | |
| 414 | |
| 415 inline void Cyg_Thread::set_sleep_reason( cyg_reason reason) | |
| 416 { | |
| 417 self()->sleep_reason = reason; | |
| 418 self()->wake_reason = NONE; | |
| 419 } | |
| 420 | |
| 421 // ------------------------------------------------------------------------- | |
| 422 | |
| 423 inline Cyg_Thread::cyg_reason Cyg_Thread::get_sleep_reason() | |
| 424 { | |
| 425 return sleep_reason; | |
| 426 } | |
| 427 | |
| 428 // ------------------------------------------------------------------------- | |
| 429 | |
| 430 inline void Cyg_Thread::set_wake_reason( cyg_reason reason ) | |
| 431 { | |
| 432 sleep_reason = NONE; | |
| 433 wake_reason = reason; | |
| 434 } | |
| 435 | |
| 436 // ------------------------------------------------------------------------- | |
| 437 | |
| 438 inline Cyg_Thread::cyg_reason Cyg_Thread::get_wake_reason() | |
| 439 { | |
| 440 return wake_reason; | |
| 441 } | |
| 442 | |
| 443 // ------------------------------------------------------------------------- | |
| 444 | |
| 445 inline void Cyg_Thread::set_timer( | |
| 446 cyg_tick_count trigger, | |
| 447 cyg_reason reason | |
| 448 ) | |
| 449 { | |
| 450 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 451 self()->sleep_reason = reason; | |
| 452 self()->wake_reason = NONE; | |
| 453 self()->timer.initialize( trigger); | |
| 454 #endif | |
| 455 } | |
| 456 | |
| 457 // ------------------------------------------------------------------------- | |
| 458 | |
| 459 inline void Cyg_Thread::clear_timer() | |
| 460 { | |
| 461 #ifdef CYGFUN_KERNEL_THREADS_TIMER | |
| 462 self()->timer.disable(); | |
| 463 #endif | |
| 464 } | |
| 465 | |
| 466 // ------------------------------------------------------------------------- | |
| 467 | |
| 468 #ifdef CYGVAR_KERNEL_THREADS_DATA | |
| 469 | |
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470 inline CYG_ADDRWORD Cyg_Thread::get_data( Cyg_Thread::cyg_data_index index ) |
| 0 | 471 { |
| 472 CYG_ASSERT( index < CYGNUM_KERNEL_THREADS_DATA_MAX, | |
| 473 "Per thread data index out of bounds"); | |
| 474 CYG_ASSERT( (thread_data_map & (1<<index)) == 0, | |
| 475 "Unallocated index used"); | |
| 476 | |
| 477 return self()->thread_data[index]; | |
| 478 } | |
| 479 | |
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480 inline CYG_ADDRWORD *Cyg_Thread::get_data_ptr( Cyg_Thread::cyg_data_index index ) |
| 0 | 481 { |
| 482 CYG_ASSERT( index < CYGNUM_KERNEL_THREADS_DATA_MAX, | |
| 483 "Per thread data index out of bounds"); | |
| 484 CYG_ASSERT( (thread_data_map & (1<<index)) == 0, | |
| 485 "Unallocated index used"); | |
| 486 | |
| 487 return &(self()->thread_data[index]); | |
| 488 } | |
| 489 | |
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490 inline void Cyg_Thread::set_data( Cyg_Thread::cyg_data_index index, |
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491 CYG_ADDRWORD data ) |
| 0 | 492 { |
| 493 CYG_ASSERT( index < CYGNUM_KERNEL_THREADS_DATA_MAX, | |
| 494 "Per thread data index out of bounds"); | |
| 495 CYG_ASSERT( (thread_data_map & (1<<index)) == 0, | |
| 496 "Unallocated index used"); | |
| 497 | |
| 498 thread_data[index] = data; | |
| 499 } | |
| 500 | |
| 501 #endif | |
| 502 | |
| 503 // ------------------------------------------------------------------------- | |
| 504 | |
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505 #ifdef CYGPKG_KERNEL_THREADS_DESTRUCTORS |
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506 |
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507 // Add and remove destructors. Returns true on success, false on failure. |
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508 inline cyg_bool |
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509 Cyg_Thread::add_destructor( destructor_fn fn, CYG_ADDRWORD data ) |
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510 { |
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511 cyg_ucount16 i; |
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512 #ifndef CYGSEM_KERNEL_THREADS_DESTRUCTORS_PER_THREAD |
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513 Cyg_Scheduler::lock(); |
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514 #endif |
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515 for (i=0; i<CYGNUM_KERNEL_THREADS_DESTRUCTORS; i++) { |
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516 if (NULL == destructors[i].fn) { |
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517 destructors[i].data = data; |
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518 destructors[i].fn = fn; |
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519 #ifndef CYGSEM_KERNEL_THREADS_DESTRUCTORS_PER_THREAD |
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520 Cyg_Scheduler::unlock(); |
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521 #endif |
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522 return true; |
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523 } |
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524 } |
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525 #ifndef CYGSEM_KERNEL_THREADS_DESTRUCTORS_PER_THREAD |
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526 Cyg_Scheduler::unlock(); |
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527 #endif |
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528 return false; |
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529 } |
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530 |
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531 inline cyg_bool |
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532 Cyg_Thread::rem_destructor( destructor_fn fn, CYG_ADDRWORD data ) |
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533 { |
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534 cyg_ucount16 i; |
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535 #ifndef CYGSEM_KERNEL_THREADS_DESTRUCTORS_PER_THREAD |
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536 Cyg_Scheduler::lock(); |
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537 #endif |
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538 for (i=0; i<CYGNUM_KERNEL_THREADS_DESTRUCTORS; i++) { |
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539 if (destructors[i].fn == fn && destructors[i].data == data) { |
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540 destructors[i].fn = NULL; |
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541 #ifndef CYGSEM_KERNEL_THREADS_DESTRUCTORS_PER_THREAD |
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542 Cyg_Scheduler::unlock(); |
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543 #endif |
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544 return true; |
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545 } |
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546 } |
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547 #ifndef CYGSEM_KERNEL_THREADS_DESTRUCTORS_PER_THREAD |
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548 Cyg_Scheduler::unlock(); |
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549 #endif |
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550 return false; |
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551 } |
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552 #endif |
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553 |
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554 // ------------------------------------------------------------------------- |
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555 |
| 0 | 556 #ifdef CYGVAR_KERNEL_THREADS_NAME |
| 557 | |
| 558 inline char *Cyg_Thread::get_name() | |
| 559 { | |
| 560 return name; | |
| 561 } | |
| 562 | |
| 563 #endif | |
| 564 | |
| 565 // ------------------------------------------------------------------------- | |
| 566 | |
| 567 #ifdef CYGVAR_KERNEL_THREADS_LIST | |
| 568 | |
| 569 inline Cyg_Thread *Cyg_Thread::get_list_head() | |
| 570 { | |
| 571 return thread_list?thread_list->list_next:0; | |
| 572 } | |
| 573 | |
| 574 inline Cyg_Thread *Cyg_Thread::get_list_next() | |
| 575 { | |
| 576 return (this==thread_list)?0:list_next; | |
| 577 } | |
| 578 | |
| 579 #endif | |
| 580 | |
| 581 | |
| 582 // ------------------------------------------------------------------------- | |
| 583 | |
| 584 #ifdef CYGPKG_KERNEL_EXCEPTIONS | |
| 585 | |
| 586 inline void Cyg_Thread::register_exception( | |
| 587 cyg_code exception_number, // exception number | |
| 588 cyg_exception_handler handler, // handler function | |
| 589 CYG_ADDRWORD data, // data argument | |
| 590 cyg_exception_handler **old_handler, // handler function | |
| 591 CYG_ADDRWORD *old_data // data argument | |
| 592 ) | |
| 593 { | |
| 594 self()->exception_control.register_exception( | |
| 595 exception_number, | |
| 596 handler, | |
| 597 data, | |
| 598 old_handler, | |
| 599 old_data | |
| 600 ); | |
| 601 } | |
| 602 | |
| 603 inline void Cyg_Thread::deregister_exception( | |
| 604 cyg_code exception_number // exception number | |
| 605 ) | |
| 606 { | |
| 607 self()->exception_control.deregister_exception( | |
| 608 exception_number | |
| 609 ); | |
| 610 } | |
| 611 | |
| 612 #endif | |
| 613 | |
| 614 //========================================================================== | |
| 615 // Inlines for Cyg_ThreadTimer class | |
| 616 | |
| 617 // ------------------------------------------------------------------------- | |
| 618 #if defined(CYGFUN_KERNEL_THREADS_TIMER) && defined(CYGVAR_KERNEL_COUNTERS_CLOCK) | |
| 619 | |
| 620 inline Cyg_ThreadTimer::Cyg_ThreadTimer( | |
| 621 Cyg_Thread *th | |
| 622 ) | |
| 623 : Cyg_Alarm(Cyg_Clock::real_time_clock, | |
| 624 &alarm, | |
| 625 CYG_ADDRWORD(this) | |
| 626 ) | |
| 627 { | |
| 628 thread = th; | |
| 629 } | |
| 630 | |
| 631 #endif | |
| 632 | |
| 633 //========================================================================== | |
| 634 // Inlines for Cyg_ThreadQueue class | |
| 635 | |
| 636 | |
| 637 inline void Cyg_ThreadQueue::enqueue(Cyg_Thread *thread) | |
| 638 { | |
| 639 Cyg_ThreadQueue_Implementation::enqueue(thread); | |
| 640 } | |
| 641 | |
| 642 // ------------------------------------------------------------------------- | |
| 643 | |
| 644 inline Cyg_Thread *Cyg_ThreadQueue::highpri() | |
| 645 { | |
| 646 return Cyg_ThreadQueue_Implementation::highpri(); | |
| 647 } | |
| 648 | |
| 649 // ------------------------------------------------------------------------- | |
| 650 | |
| 651 inline Cyg_Thread *Cyg_ThreadQueue::dequeue() | |
| 652 { | |
| 653 return Cyg_ThreadQueue_Implementation::dequeue(); | |
| 654 } | |
| 655 | |
| 656 // ------------------------------------------------------------------------- | |
| 657 | |
| 658 inline void Cyg_ThreadQueue::remove(Cyg_Thread *thread) | |
| 659 { | |
| 660 Cyg_ThreadQueue_Implementation::remove(thread); | |
| 661 } | |
| 662 | |
| 663 // ------------------------------------------------------------------------- | |
| 664 | |
| 665 inline cyg_bool Cyg_ThreadQueue::empty() | |
| 666 { | |
| 667 return Cyg_ThreadQueue_Implementation::empty(); | |
| 668 } | |
| 669 | |
| 670 // ------------------------------------------------------------------------- | |
| 671 #endif // ifndef CYGONCE_KERNEL_THREAD_INL | |
| 672 // EOF thread.inl |
