Add a regression test for PR lib/25961.

regress/lib/libpthread/cond6/Makefile

@@ -0,0 +1,15 @@
+#	$NetBSD: Makefile,v 1.1 2004/12/10 17:07:31 nathanw Exp $
+
+WARNS=1
+
+PROG=   cond6
+SRCS=   cond6.c
+
+LDADD=	-lpthread
+
+NOMAN=
+
+regress:
+	./cond6
+
+.include <bsd.prog.mk>

regress/lib/libpthread/cond6/cond6.c

@@ -0,0 +1,69 @@
+/*	$NetBSD: cond6.c,v 1.1 2004/12/10 17:07:31 nathanw Exp $	*/
+
+#include <assert.h>
+#include <err.h>
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+
+void *threadfunc(void *arg);
+
+pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+
+int main(void)
+{
+	int ret;
+	pthread_t new;
+	struct timespec ts;
+	struct timeval tv;
+
+	printf("condition variable test 6: bogus timedwait\n");
+
+	ret = pthread_mutex_lock(&mutex);
+	if (ret)
+		err(1, "pthread_mutex_lock(1)");
+
+	printf("unthreaded test\n");
+	gettimeofday(&tv, NULL);
+	tv.tv_sec -= 2; /* Place the time in the past */
+	TIMEVAL_TO_TIMESPEC(&tv, &ts);
+
+	ret = pthread_cond_timedwait(&cond, &mutex, &ts);
+	if (ret != ETIMEDOUT) {
+		printf("FAIL: pthread_cond_timedwait() (unthreaded)"
+		    " in the past returned %d\n", ret);
+		exit(1);
+	}
+		
+	ret = pthread_create(&new, NULL, threadfunc, NULL);
+	if (ret != 0)
+		err(1, "pthread_create");
+	ret = pthread_join(new, NULL);
+	if (ret != 0)
+		err(1, "pthread_join");
+
+	printf("threaded test\n");
+	gettimeofday(&tv, NULL);
+	tv.tv_sec -= 2; /* Place the time in the past */
+	TIMEVAL_TO_TIMESPEC(&tv, &ts);
+	
+	ret = pthread_cond_timedwait(&cond, &mutex, &ts);
+	if (ret != ETIMEDOUT) {
+		printf("FAIL: pthread_cond_timedwait() (threaded)"
+		    " in the past returned %d\n", ret);
+		exit(1);
+	}
+
+	pthread_mutex_unlock(&mutex);
+
+	return 0;
+}
+
+void *
+threadfunc(void *arg)
+{
+	return NULL;
+}