interfaces/pthread_cond_timedwait/2-4.c

158 	testdata_t * td = (testdata_t *)arg;
161 	ret = pthread_mutex_lock(&(td->mtx));
164 		td->status = ret;
169 	td->ctrl = 1;
172 	ret = clock_gettime(td->cid, &ts);
175 		td->status = ret;
187 		ret = pthread_cond_timedwait(&(td->cnd), &(td->mtx), &ts);
188 		td->ctrl = 2;
189 	} while ((ret == 0) && (td->bool == 0));
191 	td->ctrl = 3;
195 		td->status = ret;
200 	ret = pthread_mutex_trylock(&(td->mtx));
201 	if (td->type == PTHREAD_MUTEX_RECURSIVE)
208 			td->status = ret;
211 		ret = pthread_mutex_unlock(&(td->mtx));
214 			td->status = ret;
222 			td->status = -1;
227 			td-> status = ret;
235 	ret = pthread_mutex_unlock(&(td->mtx));
238 		td->status=ret;
243 	td->ctrl = 4;
254 	testdata_t * td;
299 		td = &alternativ;
343 		td = (testdata_t *) mmaped;
427 		ret = pthread_mutex_init(&(td->mtx), &ma);
432 		ret = pthread_cond_init(&(td->cnd), &ca);
438 		ret = pthread_condattr_getclock(&ca, &(td->cid));
442 		td->cid = CLOCK_REALTIME;
445 		ret = pthread_mutexattr_gettype(&ma, &(td->type));
449 		td->ctrl=0;
450 		td->bool=0;
451 		td->status=0;
471 				if (tf((void *)td) != NULL)
486 			ret = pthread_create(&child_th, NULL, tf, td);
494 		ret = pthread_mutex_lock(&(td->mtx));
497 		while ((td->ctrl == 0) && (td->status == 0))
499 			ret = pthread_mutex_unlock(&(td->mtx));
502 			ret = pthread_mutex_lock(&(td->mtx));
506 		if ((td->ctrl == 2) && (td->status == 0)) /* Spurious wakeups hapenned */
509 			td->ctrl = 1;
512 		if (td->ctrl == 1)/* The child is inside the cond timedwait */
514 			ret = pthread_cond_signal(&(td->cnd));
520 			if (td->ctrl != 1)
526 			td->bool=1;
530 		ret = pthread_mutex_unlock(&(td->mtx));
546 				UNRESOLVED( td->status , "Child process was killed");
555 				UNRESOLVED( td->status, "Child process was neither killed nor exited");
572  		ret = pthread_cond_destroy(&(td->cnd));
575 		ret = pthread_mutex_destroy(&(td->mtx));