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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /pthreads/tests/condvar4.c | |
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Diffstat (limited to 'pthreads/tests/condvar4.c')
-rw-r--r-- | pthreads/tests/condvar4.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/pthreads/tests/condvar4.c b/pthreads/tests/condvar4.c new file mode 100644 index 000000000..3babeeac5 --- /dev/null +++ b/pthreads/tests/condvar4.c @@ -0,0 +1,169 @@ +/* + * File: condvar4.c + * + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + * -------------------------------------------------------------------------- + * + * Test Synopsis: + * - Test PTHREAD_COND_INITIALIZER. + * + * Test Method (Validation or Falsification): + * - Validation + * + * Requirements Tested: + * - + * + * Features Tested: + * - + * + * Cases Tested: + * - + * + * Description: + * - Test basic CV function but starting with a static initialised + * CV. + * + * Environment: + * - + * + * Input: + * - None. + * + * Output: + * - File name, Line number, and failed expression on failure. + * - No output on success. + * + * Assumptions: + * - + * + * Pass Criteria: + * - pthread_cond_timedwait returns 0. + * - Process returns zero exit status. + * + * Fail Criteria: + * - pthread_cond_timedwait returns ETIMEDOUT. + * - Process returns non-zero exit status. + */ + +#include "test.h" +#include <sys/timeb.h> + +typedef struct cvthing_t_ cvthing_t; + +struct cvthing_t_ { + pthread_cond_t notbusy; + pthread_mutex_t lock; + int shared; +}; + +static cvthing_t cvthing = { + PTHREAD_COND_INITIALIZER, + PTHREAD_MUTEX_INITIALIZER, + 0 +}; + +enum { + NUMTHREADS = 2 +}; + +void * +mythread(void * arg) +{ + assert(pthread_mutex_lock(&cvthing.lock) == 0); + cvthing.shared++; + assert(pthread_mutex_unlock(&cvthing.lock) == 0); + + assert(pthread_cond_signal(&cvthing.notbusy) == 0); + + return (void *) 0; +} + +int +main() +{ + pthread_t t[NUMTHREADS]; + struct timespec abstime = { 0, 0 }; + struct _timeb currSysTime; + const DWORD NANOSEC_PER_MILLISEC = 1000000; + + cvthing.shared = 0; + + assert((t[0] = pthread_self()).p != NULL); + + assert(cvthing.notbusy == PTHREAD_COND_INITIALIZER); + + assert(cvthing.lock == PTHREAD_MUTEX_INITIALIZER); + + assert(pthread_mutex_lock(&cvthing.lock) == 0); + + assert(cvthing.lock != PTHREAD_MUTEX_INITIALIZER); + + /* get current system time */ + _ftime(&currSysTime); + + abstime.tv_sec = currSysTime.time; + abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm; + + abstime.tv_sec += 5; + + assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == ETIMEDOUT); + + assert(cvthing.notbusy != PTHREAD_COND_INITIALIZER); + + assert(pthread_create(&t[1], NULL, mythread, (void *) 1) == 0); + + _ftime(&currSysTime); + + abstime.tv_sec = currSysTime.time; + abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm; + + abstime.tv_sec += 5; + + while (! (cvthing.shared > 0)) + assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == 0); + + assert(cvthing.shared > 0); + + assert(pthread_mutex_unlock(&cvthing.lock) == 0); + + assert(pthread_join(t[1], NULL) == 0); + + assert(pthread_mutex_destroy(&cvthing.lock) == 0); + + assert(cvthing.lock == NULL); + + assert(pthread_cond_destroy(&cvthing.notbusy) == 0); + + assert(cvthing.notbusy == NULL); + + return 0; +} |