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annotate packages/kernel/current/tests/thread2.cxx @ 1777:c16341b1bac6 default tip
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| author | alexs |
|---|---|
| date | Mon, 12 Oct 2009 02:26:09 +0100 |
| parents | 92cf4ff674de |
| children |
| rev | line source |
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| 0 | 1 //========================================================================== |
| 2 // | |
| 3 // thread2.cxx | |
| 4 // | |
| 5 // Thread test 2 | |
| 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 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/ |
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38 // ------------------------------------------- |
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39 //####ECOSGPLCOPYRIGHTEND#### |
| 0 | 40 //========================================================================== |
| 41 //#####DESCRIPTIONBEGIN#### | |
| 42 // | |
| 43 // Author(s): dsm | |
| 44 // Contributors: dsm | |
| 45 // Date: 1998-02-19 | |
| 46 // Description: | |
| 47 // tests scheduler & threads & priorities | |
| 48 // + create multiple threads with various priorities | |
| 49 // + check highest priority running thread is always running | |
| 50 // + check next highest runs when highest suspended | |
| 51 // + check several threads of equal priority share time | |
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52 // (only !CYGINT_KERNEL_SCHEDULER_UNIQUE_PRIORITIES) |
| 0 | 53 // + check other threads are starved |
| 54 // + check setting priority dynamically causes a thread to | |
| 55 // become/stay current/non-current | |
| 56 // Omissions: | |
| 57 // check yield | |
| 58 // check can set threads with min and max priority | |
| 59 // Options: | |
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60 // CYGINT_KERNEL_SCHEDULER_UNIQUE_PRIORITIES |
| 0 | 61 // CYGIMP_THREAD_PRIORITY |
| 62 // CYGNUM_KERNEL_SCHED_PRIORITIES | |
| 63 // CYGSEM_KERNEL_SCHED_BITMAP | |
| 64 // CYGSEM_KERNEL_SCHED_MLQUEUE | |
| 65 //####DESCRIPTIONEND#### | |
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66 //========================================================================== |
| 0 | 67 |
| 68 #include <pkgconf/kernel.h> | |
| 69 | |
| 70 #include <cyg/kernel/thread.hxx> | |
| 71 #include <cyg/kernel/thread.inl> | |
| 72 #include <cyg/kernel/sched.hxx> | |
| 73 #include <cyg/kernel/mutex.hxx> | |
| 74 #include <cyg/kernel/sema.hxx> | |
| 75 | |
| 76 #include <cyg/infra/testcase.h> | |
| 77 | |
| 78 #include <cyg/kernel/sched.inl> | |
| 79 | |
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80 // ------------------------------------------------------------------------ |
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81 |
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82 #if defined(CYGIMP_THREAD_PRIORITY) && \ |
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83 !defined(CYGPKG_KERNEL_SMP_SUPPORT) |
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84 |
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85 // ------------------------------------------------------------------------ |
| 0 | 86 |
| 87 static Cyg_Counting_Semaphore s0, s1, s2; | |
| 88 | |
| 89 static volatile cyg_ucount8 q = 0; | |
| 90 | |
| 91 static Cyg_Thread *thread0, *thread1, *thread2; | |
| 92 | |
| 2 | 93 #define NTHREADS 3 |
| 94 #include "testaux.hxx" | |
| 0 | 95 |
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96 // ------------------------------------------------------------------------ |
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97 |
| 0 | 98 static void entry0( CYG_ADDRWORD data ) |
| 99 { | |
| 100 CHECK( 0 == q++ ); | |
| 101 s0.wait(); | |
| 102 CHECK( 3 == q++ ); | |
| 103 s1.post(); | |
| 104 CHECK( 4 == q++ ); | |
| 105 s0.wait(); | |
| 106 s0.wait(); | |
| 107 CYG_TEST_PASS_FINISH("Thread 2 OK"); | |
| 108 } | |
| 109 | |
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110 // ------------------------------------------------------------------------ |
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111 |
| 0 | 112 static void entry1( CYG_ADDRWORD data ) |
| 113 { | |
| 114 CHECK( 1 == q++ ); | |
| 115 s1.wait(); | |
| 116 CHECK( 5 == q++ ); | |
| 117 thread0->set_priority(9); | |
| 118 s0.post(); | |
| 119 CHECK( 6 == q++ ); | |
| 120 thread2->set_priority(3); | |
| 121 CHECK( 8 == q++ ); | |
| 122 s2.post(); | |
| 123 CHECK( 12 == q++ ); | |
| 124 CHECK( 9 == thread0->get_priority() ); | |
| 125 CHECK( 6 == thread1->get_priority() ); | |
| 126 CHECK( 7 == thread2->get_priority() ); | |
| 127 q = 100; | |
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128 #if !(CYGINT_KERNEL_SCHEDULER_UNIQUE_PRIORITIES) \ |
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129 && defined(CYGSEM_KERNEL_SCHED_TIMESLICE) |
| 0 | 130 thread2->set_priority(6); |
| 131 CHECK( 6 == thread1->get_priority() ); | |
| 132 CHECK( 6 == thread2->get_priority() ); | |
| 133 | |
| 134 while ( 100 == q ) | |
| 135 ; | |
| 136 CHECK( 101 == q++ ); | |
| 137 s1.wait(); | |
| 138 CHECK( 103 == q++ ); | |
| 139 #endif | |
| 140 s0.post(); | |
| 141 s1.wait(); | |
| 142 } | |
| 143 | |
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144 // ------------------------------------------------------------------------ |
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145 |
| 0 | 146 static void entry2( CYG_ADDRWORD data ) |
| 147 { | |
| 148 CHECK( 2 == q++ ); | |
| 149 s0.post(); | |
| 150 CHECK( 7 == q++ ); | |
| 151 s2.wait(); | |
| 152 CHECK( 9 == q++ ); | |
| 153 thread1->set_priority(6); | |
| 154 CHECK( 10 == q++ ); | |
| 155 thread2->set_priority(2); | |
| 156 CHECK( 11 == q++ ); | |
| 157 thread2->set_priority(7); | |
| 158 | |
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159 #if !(CYGINT_KERNEL_SCHEDULER_UNIQUE_PRIORITIES) \ |
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160 && defined(CYGSEM_KERNEL_SCHED_TIMESLICE) |
| 0 | 161 CHECK( 6 == thread1->get_priority() ); |
| 162 CHECK( 6 == thread2->get_priority() ); | |
| 163 | |
| 164 CHECK( 100 == q++ ); | |
| 165 while ( 101 == q ) | |
| 166 ; | |
| 167 CHECK( 102 == q++ ); | |
| 168 s1.post(); | |
| 169 #endif | |
| 170 s0.post(); | |
| 171 s2.wait(); | |
| 172 } | |
| 173 | |
| 174 | |
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175 // ------------------------------------------------------------------------ |
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176 |
| 0 | 177 void thread2_main( void ) |
| 178 { | |
| 179 CYG_TEST_INIT(); | |
| 180 | |
| 2 | 181 thread0 = new_thread( entry0, 0 ); |
| 182 thread1 = new_thread( entry1, 1 ); | |
| 183 thread2 = new_thread( entry2, 2 ); | |
| 0 | 184 |
| 185 thread0->resume(); | |
| 186 thread1->resume(); | |
| 187 thread2->resume(); | |
| 188 | |
| 189 thread0->set_priority(5); | |
| 190 thread1->set_priority(6); | |
| 191 thread2->set_priority(7); | |
| 192 | |
| 193 if( 9 >= CYG_THREAD_MIN_PRIORITY ) | |
| 194 CYG_TEST_FAIL_FINISH("Test requires priorities up to 9"); | |
| 195 | |
| 196 if( 2 <= CYG_THREAD_MAX_PRIORITY ) | |
| 197 CYG_TEST_FAIL_FINISH("Test requires priorities as low as 2"); | |
| 198 | |
| 199 Cyg_Scheduler::start(); | |
| 200 | |
| 201 CYG_TEST_FAIL_FINISH("Unresolved"); | |
| 202 } | |
| 203 | |
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204 // ------------------------------------------------------------------------ |
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205 |
| 0 | 206 externC void |
| 207 cyg_start( void ) | |
| 208 { | |
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209 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG |
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210 cyg_hal_invoke_constructors(); |
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211 #endif |
| 0 | 212 thread2_main(); |
| 213 } | |
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214 // ------------------------------------------------------------------------ |
| 0 | 215 |
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216 |
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217 #else // CYGPKG_KERNEL_SMP_SUPPORT etc |
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218 |
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219 // ------------------------------------------------------------------------ |
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220 |
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221 externC void |
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222 cyg_start( void ) |
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223 { |
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224 CYG_TEST_INIT(); |
| 1507 | 225 CYG_TEST_INFO("Thread2 test requires:\n" |
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226 "defined(CYGIMP_THREAD_PRIORITY) &&\n" |
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227 "!defined(CYGPKG_KERNEL_SMP_SUPPORT)\n"); |
| 1507 | 228 CYG_TEST_NA("Thread2 test requirements"); |
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229 } |
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230 |
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231 // ------------------------------------------------------------------------ |
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232 |
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233 #endif // CYGPKG_KERNEL_SMP_SUPPORT etc |
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234 |
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235 // ------------------------------------------------------------------------ |
| 0 | 236 // EOF thread2.cxx |
