| #include "test.h" |
| #include <sys/timeb.h> |
| |
| static pthread_cond_t cv; |
| static pthread_mutex_t mutex; |
| static int shared = 0; |
| |
| enum { |
| NUMTHREADS = 2 /* Including the primary thread. */ |
| }; |
| |
| void * |
| mythread(void * arg) |
| { |
| int result = 0; |
| |
| assert(pthread_mutex_lock(&mutex) == 0); |
| shared++; |
| assert(pthread_mutex_unlock(&mutex) == 0); |
| |
| if ((result = pthread_cond_signal(&cv)) != 0) |
| { |
| printf("Error = %s\n", error_string[result]); |
| } |
| assert(result == 0); |
| |
| |
| return (void *) 0; |
| } |
| |
| int |
| main() |
| { |
| pthread_t t[NUMTHREADS]; |
| struct timespec abstime = { 0, 0 }; |
| struct _timeb currSysTime; |
| const DWORD NANOSEC_PER_MILLISEC = 1000000; |
| |
| assert((t[0] = pthread_self()) != 0); |
| assert(pthread_gethandle (t[0]) != NULL); |
| |
| assert(pthread_cond_init(&cv, NULL) == 0); |
| |
| assert(pthread_mutex_init(&mutex, NULL) == 0); |
| |
| assert(pthread_mutex_lock(&mutex) == 0); |
| |
| /* get current system time */ |
| _ftime(&currSysTime); |
| |
| abstime.tv_sec = currSysTime.time; |
| abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm; |
| |
| assert(pthread_create(&t[1], NULL, mythread, (void *) 1) == 0); |
| |
| abstime.tv_sec += 5; |
| |
| while (! (shared > 0)) |
| assert(pthread_cond_timedwait(&cv, &mutex, &abstime) == 0); |
| |
| assert(shared > 0); |
| |
| assert(pthread_mutex_unlock(&mutex) == 0); |
| |
| assert(pthread_join(t[1], NULL) == 0); |
| |
| assert(pthread_cond_destroy(&cv) == 0); |
| |
| return 0; |
| } |