// commit 76ca7a5446a8aec2b671a401d5e1878c4704754e

// pthread_cond_wait should act on cancellation arriving after unlocking mutex

#include <pthread.h>

#include <errno.h>

#include <time.h>

#include "test.h"

static pthread_mutex_t mx = PTHREAD_MUTEX_INITIALIZER;

static pthread_cond_t cv = PTHREAD_COND_INITIALIZER;

static int waiting;

static void cleanup(void *p)

{

	waiting = 0;

	pthread_cond_signal(&cv;;

	pthread_mutex_unlock(&mx;;

}

static void *waiter(void *p)

{

	pthread_mutex_lock(&mx;;

	waiting = 1;

	pthread_cond_signal(&cv;;

	pthread_cleanup_push(cleanup, 0);

	while (waiting) pthread_cond_wait(&cv, &mx;;

	pthread_cleanup_pop(1);

	return 0;

}

int main(void)

{

	pthread_t td;

	struct timespec ts;

	void *rv;

	pthread_mutex_lock(&mx;;

	pthread_create(&td, 0, waiter, 0);

	while (!waiting) pthread_cond_wait(&cv, &mx;;

	pthread_cancel(td);

	clock_gettime(CLOCK_REALTIME, &ts);

	if ((ts.tv_nsec+=30000000) >= 1000000000) {

		ts.tv_sec++;

		ts.tv_nsec -= 1000000000;

	}

	while (waiting && !pthread_cond_timedwait(&cv, &mx, &ts);;

	waiting = 0;

	pthread_cond_signal(&cv;;

	pthread_mutex_unlock(&mx;;

	pthread_join(td, &rv;;

	if (rv != PTHREAD_CANCELED)

		t_error("pthread_cond_wait did not act on cancellation\n");

	return t_status;

}