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- #include "test.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
- };
- static void *
- mythread(void * arg)
- {
- assert(pthread_mutex_lock(&cvthing.lock) == 0);
- cvthing.shared++;
- assert(pthread_mutex_unlock(&cvthing.lock) == 0);
- assert(pthread_cond_broadcast(&cvthing.notbusy) == 0);
- return (void *) 0;
- }
- int pthread_test_condvar5()
- {
- pthread_t t[NUMTHREADS];
- struct timespec abstime =
- {
- 0, 0
- };
- struct _timeb currSysTime;
- const unsigned int NANOSEC_PER_MILLISEC = 1000000;
- cvthing.notbusy = PTHREAD_COND_INITIALIZER;
- cvthing.lock = PTHREAD_MUTEX_INITIALIZER;
- 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);
-
- _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;
- }
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