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/* $OpenBSD: pthread_join.c,v 1.1 2011/10/01 10:26:59 fgsch Exp $ */
/*
* Federico G. Schwindt <fgsch@openbsd.org>, 2011. Public Domain.
*/
#include <pthread.h>
#include <signal.h>
#include <unistd.h>
#include "test.h"
volatile sig_atomic_t hits = 0;
void
handler(int sig)
{
hits++;
}
void *
thr_sleep(void *arg)
{
return ((caddr_t)NULL + sleep(5));
}
void *
thr_join(void *arg)
{
pthread_t tid = *(pthread_t *)arg;
void *retval;
CHECKr(pthread_join(tid, &retval));
return (retval);
}
int
main(int argc, char **argv)
{
struct sigaction sa;
pthread_t tid[2];
void *retval;
bzero(&sa, sizeof(sa));
sa.sa_handler = handler;
CHECKe(sigaction(SIGUSR1, &sa, NULL));
CHECKr(pthread_create(&tid[0], NULL, thr_sleep, NULL));
CHECKr(pthread_create(&tid[1], NULL, thr_join, &tid[0]));
sleep(2);
CHECKr(pthread_kill(tid[1], SIGUSR1));
sleep(2);
ASSERT(hits == 1);
CHECKr(pthread_join(tid[1], &retval));
ASSERT(retval == (void *)0);
SUCCEED;
}
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