xref: /freebsd/tools/regression/pthread/unwind/cond_wait_cancel.cpp (revision 8eb2bee6c0f4957c6c1cea826e59cda4d18a2a64)
1 /* $FreeBSD$ */
2 /* Test stack unwinding for pthread_cond_wait function */
3 
4 #include <pthread.h>
5 #include <stdio.h>
6 #include <semaphore.h>
7 #include <unistd.h>
8 
9 #include "Test.cpp"
10 
11 static pthread_mutex_t mtx;
12 static pthread_cond_t cv;
13 
14 static void *
15 thr(void *arg __unused)
16 {
17 	Test t;
18 
19 	pthread_mutex_lock(&mtx);
20 	pthread_cond_wait(&cv, &mtx);
21 	pthread_mutex_unlock(&mtx);
22 	printf("Bug, thread shouldn't be here.\n");
23 	return (0);
24 }
25 
26 int
27 main()
28 {
29 	pthread_t td;
30 
31 	pthread_mutex_init(&mtx, NULL);
32 	pthread_cond_init(&cv, NULL);
33 	pthread_create(&td, NULL, thr, NULL);
34 	sleep(1);
35 	pthread_cancel(td);
36 	pthread_join(td, NULL);
37 	check_destruct();
38 	return (0);
39 }
40