Mercurial > ecos
annotate packages/kernel/current/tests/kmutex1.c @ 3292:7f8e529b4d82 default tip
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 |
| rev | line source |
|---|---|
| 0 | 1 /*================================================================= |
| 2 // | |
| 3 // kmutex1.c | |
| 4 // | |
| 5 // Kernel C API Mutex test 1 | |
| 6 // | |
| 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 Free Software Foundation, 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 |
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16 // version. |
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17 // |
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT |
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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21 // for more details. |
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22 // |
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23 // You should have received a copy of the GNU General Public License |
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24 // along with eCos; if not, write to the Free Software Foundation, Inc., |
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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26 // |
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27 // As a special exception, if other files instantiate templates or use |
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28 // macros or inline functions from this file, or you compile this file |
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29 // and link it with other works to produce a work based on this file, |
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30 // this file does not by itself cause the resulting work to be covered by |
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31 // the GNU General Public License. However the source code for this file |
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32 // must still be made available in accordance with section (3) of the GNU |
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33 // General Public License v2. |
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34 // |
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35 // This exception does not invalidate any other reasons why a work based |
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36 // on this file might be covered by the GNU General Public License. |
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37 // ------------------------------------------- |
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38 // ####ECOSGPLCOPYRIGHTEND#### |
| 0 | 39 //========================================================================== |
| 40 //#####DESCRIPTIONBEGIN#### | |
| 41 // | |
| 42 // Author(s): dsm | |
| 43 // Contributors: dsm | |
| 44 // Date: 1998-03-23 | |
| 45 // Description: Tests basic mutex functionality. | |
| 46 // Omissions: Timed wait. | |
| 47 //####DESCRIPTIONEND#### | |
| 48 */ | |
| 49 | |
| 2 | 50 #include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL |
| 51 | |
| 0 | 52 #include <cyg/kernel/kapi.h> |
| 53 | |
| 54 #include <cyg/infra/testcase.h> | |
| 55 | |
| 56 #ifdef CYGFUN_KERNEL_API_C | |
| 57 | |
| 58 #include "testaux.h" | |
| 59 | |
| 60 #define NTHREADS 3 | |
| 2 | 61 #define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL |
| 0 | 62 |
| 63 static cyg_handle_t thread[NTHREADS]; | |
| 64 | |
| 65 static cyg_thread thread_obj[NTHREADS]; | |
| 66 static char stack[NTHREADS][STACKSIZE]; | |
| 67 | |
| 68 | |
| 69 static cyg_mutex_t m0, m1; | |
| 70 static cyg_cond_t cvar0, cvar1, cvar2; | |
| 71 | |
| 72 static cyg_ucount8 m0d=0, m1d=0; | |
| 73 | |
| 74 static void finish( cyg_ucount8 t ) | |
| 75 { | |
| 76 cyg_mutex_lock( &m1 ); { | |
| 77 m1d |= 1<<t; | |
| 78 if( 0x7 == m1d ) | |
| 79 CYG_TEST_PASS_FINISH("Kernel C API Mutex 1 OK"); | |
| 80 cyg_cond_wait( &cvar2 ); | |
| 81 } /* cyg_mutex_unlock( &m1 ); */ | |
| 82 CYG_TEST_FAIL_FINISH("Not reached"); | |
| 83 } | |
| 84 | |
| 85 static void entry0( cyg_addrword_t data ) | |
| 86 { | |
| 87 cyg_mutex_lock( &m0 ); { | |
| 88 CHECK( ! cyg_mutex_trylock( &m0 ) ); | |
| 89 cyg_mutex_lock( &m1 ); { | |
| 90 CHECK( ! cyg_mutex_trylock( &m0 ) ); | |
| 91 } cyg_mutex_unlock( &m1 ); | |
| 92 } cyg_mutex_unlock( &m0 ); | |
| 93 | |
| 94 cyg_mutex_lock( &m0 ); { | |
| 95 while ( 0 == m0d ) | |
| 96 cyg_cond_wait( &cvar0 ); | |
| 97 CHECK( 1 == m0d++ ); | |
| 98 cyg_cond_signal( &cvar0 ); | |
| 99 while ( 4 != m0d ) | |
| 100 cyg_cond_wait( &cvar1 ); | |
| 101 CHECK( 4 == m0d ); | |
| 102 } cyg_mutex_unlock( &m0 ); | |
| 103 | |
| 104 finish( (cyg_ucount8)data ); | |
| 105 } | |
| 106 | |
| 107 static void entry1( cyg_addrword_t data ) | |
| 108 { | |
| 109 cyg_mutex_lock( &m0 ); { | |
| 110 CHECK( cyg_mutex_trylock( &m1 ) ); { | |
| 111 } cyg_mutex_unlock( &m1 ); | |
| 112 } cyg_mutex_unlock( &m0 ); | |
| 113 | |
| 114 cyg_mutex_lock( &m0 ); { | |
| 115 CHECK( 0 == m0d++ ); | |
| 116 cyg_cond_broadcast( &cvar0 ); | |
| 117 } cyg_mutex_unlock( &m0 ); | |
| 118 | |
| 119 cyg_mutex_lock( &m0 ); { | |
| 120 while( 1 == m0d ) | |
| 121 cyg_cond_wait( &cvar0 ); | |
| 122 CHECK( 2 == m0d++ ); | |
| 123 cyg_cond_signal( &cvar0 ); | |
| 124 while( 3 == m0d ) | |
| 125 cyg_cond_wait( &cvar1 ); | |
| 126 } cyg_mutex_unlock( &m0 ); | |
| 127 | |
| 128 finish( (cyg_ucount8)data ); | |
| 129 } | |
| 130 | |
| 131 static void entry2( cyg_addrword_t data ) | |
| 132 { | |
| 133 cyg_mutex_lock( &m0 ); { | |
| 134 while( 3 != m0d ) { | |
| 135 cyg_cond_wait( &cvar0 ); | |
| 136 } | |
| 137 CHECK( 3 == m0d++ ); | |
| 138 cyg_cond_broadcast( &cvar1 ); | |
| 139 } cyg_mutex_unlock( &m0 ); | |
| 140 | |
| 141 finish( (cyg_ucount8)data ); | |
| 142 } | |
| 143 | |
| 144 void kmutex1_main( void ) | |
| 145 { | |
| 146 CYG_TEST_INIT(); | |
| 147 | |
| 148 cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kmutex1-0", | |
| 2 | 149 (void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]); |
| 0 | 150 cyg_thread_resume(thread[0]); |
| 151 | |
| 152 cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "kmutex1-1", | |
| 2 | 153 (void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]); |
| 0 | 154 cyg_thread_resume(thread[1]); |
| 155 | |
| 156 cyg_thread_create(4, entry2 , (cyg_addrword_t)2, "kmutex1-2", | |
| 2 | 157 (void *)stack[2], STACKSIZE, &thread[2], &thread_obj[2]); |
| 0 | 158 cyg_thread_resume(thread[2]); |
| 159 | |
| 160 cyg_mutex_init( &m0 ); | |
| 161 cyg_mutex_init( &m1 ); | |
| 162 | |
| 163 cyg_cond_init( &cvar0, &m0 ); | |
| 164 cyg_cond_init( &cvar1, &m0 ); | |
| 165 cyg_cond_init( &cvar2, &m1 ); | |
| 166 | |
| 167 cyg_scheduler_start(); | |
| 168 | |
| 169 CYG_TEST_FAIL_FINISH("Not reached"); | |
| 170 } | |
| 171 | |
| 172 externC void | |
| 173 cyg_start( void ) | |
| 174 { | |
| 175 kmutex1_main(); | |
| 176 } | |
| 177 | |
| 178 #else /* def CYGFUN_KERNEL_API_C */ | |
| 179 externC void | |
| 180 cyg_start( void ) | |
| 181 { | |
| 182 CYG_TEST_INIT(); | |
| 2 | 183 CYG_TEST_NA("Kernel C API layer disabled"); |
| 0 | 184 } |
| 185 #endif /* def CYGFUN_KERNEL_API_C */ | |
| 186 | |
| 187 /* EOF kmutex1.c */ |