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- #include "test.h"
- enum
- {
- NUMTHREADS = 9
- };
- typedef struct bag_t_ bag_t;
- struct bag_t_
- {
- int threadnum;
- int started;
- int finished;
-
- };
- static bag_t threadbag[NUMTHREADS + 1];
- 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
- };
- static pthread_mutex_t start_flag = PTHREAD_MUTEX_INITIALIZER;
- static struct timespec abstime =
- {
- 0, 0
- };
- static int awoken;
- static void *
- mythread(void * arg)
- {
- bag_t * bag = (bag_t *) arg;
- assert(bag == &threadbag[bag->threadnum]);
- assert(bag->started == 0);
- bag->started = 1;
-
- assert(pthread_mutex_lock(&start_flag) == 0);
- assert(pthread_mutex_unlock(&start_flag) == 0);
- assert(pthread_mutex_lock(&cvthing.lock) == 0);
-
- pthread_cleanup_push(pthread_mutex_unlock, (void *) &cvthing.lock);
- while (! (cvthing.shared > 0))
- assert(pthread_cond_timedwait(&cvthing.notbusy, &cvthing.lock, &abstime) == 0);
- pthread_cleanup_pop(0);
- assert(cvthing.shared > 0);
- awoken++;
- bag->finished = 1;
- assert(pthread_mutex_unlock(&cvthing.lock) == 0);
- return (void *) 0;
- }
- int pthread_test_condvar9()
- {
- int failed = 0;
- int i;
- int first, last;
- int canceledThreads = 0;
- pthread_t t[NUMTHREADS + 1];
- struct _timeb currSysTime;
- const unsigned int NANOSEC_PER_MILLISEC = 1000000;
- cvthing.notbusy = PTHREAD_COND_INITIALIZER;
- cvthing.lock = PTHREAD_MUTEX_INITIALIZER;
- assert((t[0] = pthread_self()).p != NULL);
- assert(cvthing.notbusy == PTHREAD_COND_INITIALIZER);
- 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((t[0] = pthread_self()).p != NULL);
- awoken = 0;
- for (first = 1, last = NUMTHREADS / 2;
- first < NUMTHREADS;
- first = last + 1, last = NUMTHREADS)
- {
- int ct;
- assert(pthread_mutex_lock(&start_flag) == 0);
- for (i = first; i <= last; i++)
- {
- threadbag[i].started = threadbag[i].finished = 0;
- threadbag[i].threadnum = i;
- assert(pthread_create(&t[i], NULL, mythread, (void *) &threadbag[i]) == 0);
- }
-
- cvthing.shared = 0;
- assert(pthread_mutex_unlock(&start_flag) == 0);
-
- pte_osThreadSleep(1000);
- ct = (first + last) / 2;
- assert(pthread_cancel(t[ct]) == 0);
- canceledThreads++;
- assert(pthread_join(t[ct], NULL) == 0);
- assert(pthread_mutex_lock(&cvthing.lock) == 0);
- cvthing.shared++;
- assert(pthread_mutex_unlock(&cvthing.lock) == 0);
- assert(pthread_cond_broadcast(&cvthing.notbusy) == 0);
-
- for (i = first; i <= last; i++)
- {
- failed = !threadbag[i].started;
- if (!failed)
- {
- assert(pthread_join(t[i], NULL) == 0 || threadbag[i].finished == 0);
- }
- }
- }
-
- assert(pthread_mutex_destroy(&cvthing.lock) == 0);
- assert(cvthing.lock == NULL);
- assert(pthread_cond_destroy(&cvthing.notbusy) == 0);
- assert(cvthing.notbusy == NULL);
- assert(!failed);
-
- assert(awoken == NUMTHREADS - canceledThreads);
-
- return 0;
- }
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