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annotate packages/kernel/current/tests/ksem1.c @ 1777:c16341b1bac6 default tip

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* Added execute permissions to files missed in conversion from CVS
author alexs
date Mon, 12 Oct 2009 02:26:09 +0100
parents d2c90368aeef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*=================================================================
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2 //
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3 // ksem1.c
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4 //
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5 // C API semaphore test 1
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6 //
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7 //==========================================================================
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license/
208
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
0
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): dsm
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44 // Contributors: dsm
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45 // Date: 1998-03-20
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46 // Description: Tests basic semaphore functionality.
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47 //####DESCRIPTIONEND####
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48 */
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49
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50 #include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
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51
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52 #include <cyg/kernel/kapi.h>
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53
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54 #include <cyg/infra/testcase.h>
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55
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56 #ifdef CYGFUN_KERNEL_API_C
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57
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58 #include "testaux.h"
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59
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60 #define NTHREADS 2
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61 #define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
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62
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63 static cyg_handle_t thread[NTHREADS];
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64
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65 static cyg_thread thread_obj[NTHREADS];
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66 static char stack[NTHREADS][STACKSIZE];
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67
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68
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69 static cyg_sem_t s0, s1, s2;
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70
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71 static volatile cyg_ucount8 q = 0;
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72
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73 static void entry0( cyg_addrword_t data )
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74 {
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75 cyg_ucount32 val;
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76
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77 cyg_semaphore_wait(&s0);
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78 CHECK( 1 == q++ );
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79 cyg_semaphore_post(&s1);
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80 cyg_semaphore_wait(&s0);
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81 CHECK( 3 == q++ );
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82 cyg_semaphore_peek(&s0, &val);
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83 CHECK( 0 == val);
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84 CHECK( ! cyg_semaphore_trywait(&s0) );
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85 cyg_semaphore_post(&s0);
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86 CHECK( 4 == q++ );
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87 cyg_semaphore_peek(&s0, &val);
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88 CHECK( 1 == val);
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89 cyg_semaphore_post(&s0);
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90 cyg_semaphore_peek(&s0, &val);
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91 CHECK( 2 == val);
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92 cyg_semaphore_post(&s1);
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93 cyg_semaphore_peek(&s2, &val);
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94 CHECK( 0 == val);
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95 cyg_semaphore_wait(&s2);
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96 CHECK( 6 == q++ );
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97 CYG_TEST_PASS_FINISH("Kernel C API Semaphore 1 OK");
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98 }
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99
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100 static void entry1( cyg_addrword_t data )
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101 {
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102 cyg_count32 val;
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103
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104 cyg_semaphore_peek(&s1, &val);
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105 CHECK( 2 == val);
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106 cyg_semaphore_wait(&s1);
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107 cyg_semaphore_peek(&s1, &val);
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108 CHECK( 1 == val);
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109 cyg_semaphore_wait(&s1);
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110 CHECK( 0 == q++ );
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111 cyg_semaphore_peek(&s0, &val);
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112 CHECK( 0 == val);
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113 cyg_semaphore_post(&s0);
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114 cyg_semaphore_wait(&s1);
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115 CHECK( 2 == q++ );
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116 cyg_semaphore_post(&s0);
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117 cyg_semaphore_wait(&s1);
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118 CHECK( 5 == q++ );
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119 cyg_semaphore_peek(&s0, &val);
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120 CHECK( 2 == val);
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121 CHECK( cyg_semaphore_trywait(&s0) );
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122 cyg_semaphore_peek(&s0, &val);
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123 CHECK( 1 == val);
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124 CHECK( cyg_semaphore_trywait(&s0) );
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125 cyg_semaphore_peek(&s0, &val);
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126 CHECK( 0 == val);
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127 cyg_semaphore_post(&s2);
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128 cyg_semaphore_wait(&s0);
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129 CYG_TEST_FAIL_FINISH("Not reached");
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130 }
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131
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132 void ksem1_main( void )
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133 {
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134 CYG_TEST_INIT();
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135
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136 cyg_semaphore_init( &s0, 0);
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137 cyg_semaphore_init( &s1, 2);
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138 cyg_semaphore_init( &s2, 0);
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139
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140 cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "ksem1-0",
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141 (void *)stack[0], STACKSIZE,&thread[0], &thread_obj[0]);
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142 cyg_thread_resume(thread[0]);
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143
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144 cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "ksem1-1",
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145 (void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]);
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146 cyg_thread_resume(thread[1]);
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147
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148 cyg_scheduler_start();
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149
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150 CYG_TEST_FAIL_FINISH("Not reached");
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151 }
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152
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153 externC void
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154 cyg_start( void )
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155 {
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156 ksem1_main();
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157 }
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158
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159
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160 #else /* def CYGFUN_KERNEL_API_C */
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161 externC void
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162 cyg_start( void )
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163 {
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164 CYG_TEST_INIT();
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165 CYG_TEST_NA("Kernel C API layer disabled");
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166 }
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167 #endif /* def CYGFUN_KERNEL_API_C */
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jlarmour
parents:
diff changeset
168
3111d98ba7b3 Initial commit of eCos version 1.1
jlarmour
parents:
diff changeset
169 /* EOF ksem1.c */