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1 //========================================================================== |
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2 // |
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3 // kill.cxx |
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4 // |
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5 // Thread kill test |
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6 // |
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7 //========================================================================== |
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8 //####COPYRIGHTBEGIN#### |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Cygnus eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an "AS IS" |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //========================================================================== |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): nickg |
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33 // Contributors: nickg |
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34 // Date: 1998-04-24 |
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35 // Description: Tests the functionality of thread kill() and |
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36 // reinitalize(). |
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37 //####DESCRIPTIONEND#### |
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38 |
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39 #include <pkgconf/kernel.h> |
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40 |
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41 #include <cyg/kernel/thread.hxx> |
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42 #include <cyg/kernel/thread.inl> |
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43 #include <cyg/kernel/sched.hxx> |
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44 #include <cyg/kernel/mutex.hxx> |
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45 #include <cyg/kernel/sema.hxx> |
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46 |
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47 #include <cyg/infra/testcase.h> |
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48 |
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49 #ifdef CYGFUN_KERNEL_THREADS_TIMER |
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50 |
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51 #include <cyg/kernel/sched.inl> |
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52 |
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53 #define NTHREADS 3 |
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54 |
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55 #include "testaux.hxx" |
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56 |
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57 #ifdef CYGPKG_HAL_I386_LINUX |
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58 // On the synthetic target the delay needs to be a bit bigger to avoid |
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59 // potential problems due to timing inaccuracy and scheduling of Linux |
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60 // tasks. |
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61 int delay_ticks = 5; |
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62 #else |
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63 // if we delayed for just one tick, there's a good chance the clock may |
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64 // roll over immediately, giving a negligible practical delay. So always use |
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65 // a value greater than 1 |
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66 int delay_ticks = 2; |
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67 #endif |
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68 |
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69 |
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70 |
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71 static Cyg_Binary_Semaphore s0, s1; |
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72 |
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73 volatile cyg_atomic thread0_state; |
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74 volatile cyg_atomic thread1_state; |
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75 volatile cyg_atomic thread2_state; |
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76 |
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77 static void entry0( CYG_ADDRWORD data ) |
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78 { |
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79 Cyg_Thread *self = Cyg_Thread::self(); |
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80 |
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81 thread0_state = 1; |
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82 |
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83 s0.wait(); |
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84 |
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85 thread0_state = 2; |
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86 |
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87 CYG_TEST_FAIL_FINISH("Thread not killed"); |
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88 |
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89 self->exit(); |
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90 } |
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91 |
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92 |
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93 static void entry1( CYG_ADDRWORD data ) |
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94 { |
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95 Cyg_Thread *self = Cyg_Thread::self(); |
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96 |
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97 thread1_state = 1; |
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98 |
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99 self->delay(delay_ticks); |
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100 |
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101 if( thread2_state != 1 ) |
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102 CYG_TEST_FAIL_FINISH("Thread2 in wrong state"); |
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103 |
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104 thread1_state = 2; |
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105 |
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106 thread[0]->kill(); |
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107 |
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108 thread1_state = 3; |
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109 |
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110 thread[2]->kill(); |
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111 |
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112 thread1_state = 4; |
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113 |
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114 self->delay(delay_ticks); |
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115 |
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116 thread1_state = 5; |
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117 thread2_state = 0; |
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118 |
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119 thread[2]->reinitialize(); |
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120 thread[2]->resume(); |
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121 |
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122 self->delay(delay_ticks); |
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123 |
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124 if( thread2_state != 1 ) |
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125 CYG_TEST_FAIL_FINISH("Thread2 in wrong state"); |
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126 |
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127 thread1_state = 6; |
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128 |
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129 self->delay(delay_ticks); |
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130 |
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131 if( thread2_state != 2 ) |
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132 CYG_TEST_FAIL_FINISH("Thread2 in wrong state"); |
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133 |
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134 thread[2]->kill(); |
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135 |
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136 thread1_state = 7; |
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137 |
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138 CYG_TEST_PASS_FINISH("Kill OK"); |
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139 |
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140 Cyg_Thread::self()->exit(); |
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141 } |
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142 |
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143 static void entry2( CYG_ADDRWORD data ) |
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144 { |
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145 thread2_state = 1; |
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146 |
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147 while( thread1_state != 6 ) continue; |
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148 |
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149 thread2_state = 2; |
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150 |
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151 for(;;) continue; |
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152 |
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153 } |
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154 |
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155 void release_main(void) |
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156 { |
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157 CYG_TEST_INIT(); |
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158 |
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159 new_thread( entry0, 0); |
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160 new_thread( entry1, 1); |
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161 new_thread( entry2, 2); |
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162 |
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163 thread[0]->set_priority(5); |
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164 thread[1]->set_priority(6); |
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165 thread[2]->set_priority(7); |
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166 |
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167 Cyg_Scheduler::start(); |
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168 |
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169 CYG_TEST_FAIL_FINISH("Not reached"); |
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170 } |
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171 |
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172 externC void |
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173 cyg_start( void ) |
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174 { |
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175 release_main(); |
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176 } |
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177 |
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178 #else // ifdef CYGFUN_KERNEL_THREADS_TIMER |
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179 |
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180 externC void |
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181 cyg_start( void ) |
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182 { |
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183 CYG_TEST_INIT(); |
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184 CYG_TEST_NA("Kernel threads timer disabled"); |
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185 } |
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186 |
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187 #endif // ifdef CYGFUN_KERNEL_THREADS_TIMER |
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188 |
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189 // EOF kill.cxx |
