Mercurial > ecos
diff packages/kernel/current/tests/ksem1.c @ 0:3111d98ba7b3 ecos-v1_1-release
Initial commit of eCos version 1.1
| author | jlarmour |
|---|---|
| date | Tue, 11 May 1999 11:16:07 +0000 |
| parents | |
| children | 443894e2e912 |
line wrap: on
line diff
new file mode 100644 --- /dev/null +++ b/packages/kernel/current/tests/ksem1.c @@ -0,0 +1,156 @@ +/*================================================================= +// +// ksem1.c +// +// C API semaphore test 1 +// +//========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Cygnus eCos Public License +// Version 1.0 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://sourceware.cygnus.com/ecos +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Cygnus Operating System, released +// September 30, 1998. +// +// The Initial Developer of the Original Code is Cygnus. Portions created +// by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): dsm +// Contributors: dsm +// Date: 1998-03-20 +// Description: Tests basic semaphore functionality. +//####DESCRIPTIONEND#### +*/ + +#include <cyg/kernel/kapi.h> + +#include <cyg/infra/testcase.h> + +#ifdef CYGFUN_KERNEL_API_C + +#include "testaux.h" + +#define NTHREADS 2 +#define STACKSIZE 4096 + +static cyg_handle_t thread[NTHREADS]; + +static cyg_thread thread_obj[NTHREADS]; +static char stack[NTHREADS][STACKSIZE]; + + +static cyg_sem_t s0, s1, s2; + +static volatile cyg_ucount8 q = 0; + +static void entry0( cyg_addrword_t data ) +{ + cyg_ucount32 val; + + cyg_semaphore_wait(&s0); + CHECK( 1 == q++ ); + cyg_semaphore_post(&s1); + cyg_semaphore_wait(&s0); + CHECK( 3 == q++ ); + cyg_semaphore_peek(&s0, &val); + CHECK( 0 == val); + CHECK( ! cyg_semaphore_trywait(&s0) ); + cyg_semaphore_post(&s0); + CHECK( 4 == q++ ); + cyg_semaphore_peek(&s0, &val); + CHECK( 1 == val); + cyg_semaphore_post(&s0); + cyg_semaphore_peek(&s0, &val); + CHECK( 2 == val); + cyg_semaphore_post(&s1); + cyg_semaphore_peek(&s2, &val); + CHECK( 0 == val); + cyg_semaphore_wait(&s2); + CHECK( 6 == q++ ); + CYG_TEST_PASS_FINISH("Kernel C API Semaphore 1 OK"); +} + +static void entry1( cyg_addrword_t data ) +{ + cyg_ucount32 val; + + cyg_semaphore_peek(&s1, &val); + CHECK( 2 == val); + cyg_semaphore_wait(&s1); + cyg_semaphore_peek(&s1, &val); + CHECK( 1 == val); + cyg_semaphore_wait(&s1); + CHECK( 0 == q++ ); + cyg_semaphore_peek(&s0, &val); + CHECK( 0 == val); + cyg_semaphore_post(&s0); + cyg_semaphore_wait(&s1); + CHECK( 2 == q++ ); + cyg_semaphore_post(&s0); + cyg_semaphore_wait(&s1); + CHECK( 5 == q++ ); + cyg_semaphore_peek(&s0, &val); + CHECK( 2 == val); + CHECK( cyg_semaphore_trywait(&s0) ); + cyg_semaphore_peek(&s0, &val); + CHECK( 1 == val); + CHECK( cyg_semaphore_trywait(&s0) ); + cyg_semaphore_peek(&s0, &val); + CHECK( 0 == val); + cyg_semaphore_post(&s2); + cyg_semaphore_wait(&s0); + CYG_TEST_FAIL_FINISH("Not reached"); +} + +void ksem1_main( void ) +{ + CYG_TEST_INIT(); + + cyg_semaphore_init( &s0, 0); + cyg_semaphore_init( &s1, 2); + cyg_semaphore_init( &s2, 0); + + cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "ksem1-0", + (void *)stack[0], STACKSIZE,&thread[0], &thread_obj[0]); + cyg_thread_resume(thread[0]); + + cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "ksem1-1", + (void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]); + cyg_thread_resume(thread[1]); + + cyg_scheduler_start(); + + CYG_TEST_FAIL_FINISH("Not reached"); +} + +externC void +cyg_start( void ) +{ + ksem1_main(); +} + + +#else /* def CYGFUN_KERNEL_API_C */ +externC void +cyg_start( void ) +{ + CYG_TEST_INIT(); + CYG_TEST_PASS_FINISH("Kernel C API layer disabled"); +} +#endif /* def CYGFUN_KERNEL_API_C */ + +/* EOF ksem1.c */
