1 files changed, 563 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libpthread/t_cond.c b/contrib/netbsd-tests/lib/libpthread/t_cond.c
new file mode 100644
index 0000000..9f33c9e
--- /dev/null
+++ b/contrib/netbsd-tests/lib/libpthread/t_cond.c
@@ -0,0 +1,563 @@
+/* $NetBSD: t_cond.c,v 1.6 2014/09/03 16:23:24 gson Exp $ */
+
+/*
+ * Copyright (c) 2008 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__COPYRIGHT("@(#) Copyright (c) 2008\
+ The NetBSD Foundation, inc. All rights reserved.");
+__RCSID("$NetBSD: t_cond.c,v 1.6 2014/09/03 16:23:24 gson Exp $");
+
+#include <sys/time.h>
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <atf-c.h>
+
+#include "h_common.h"
+
+static pthread_mutex_t mutex;
+static pthread_cond_t cond;
+static pthread_mutex_t static_mutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t static_cond = PTHREAD_COND_INITIALIZER;
+static int count, share, toggle, total;
+
+static void *
+signal_delay_wait_threadfunc(void *arg)
+{
+	int *shared = (int *) arg;
+
+	printf("2: Second thread.\n");
+
+	printf("2: Locking mutex\n");
+	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
+	printf("2: Got mutex.\n");
+	printf("Shared value: %d. Changing to 0.\n", *shared);
+	*shared = 0;
+
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
+	PTHREAD_REQUIRE(pthread_cond_signal(&cond));
+
+	return NULL;
+}
+
+ATF_TC(signal_delay_wait);
+ATF_TC_HEAD(signal_delay_wait, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Checks condition variables");
+}
+ATF_TC_BODY(signal_delay_wait, tc)
+{
+	pthread_t new;
+	void *joinval;
+	int sharedval;
+
+	printf("1: condition variable test 1\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL));
+	PTHREAD_REQUIRE(pthread_cond_init(&cond, NULL));
+
+	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
+
+	sharedval = 1;
+
+	PTHREAD_REQUIRE(pthread_create(&new, NULL, signal_delay_wait_threadfunc,
+	    &sharedval));
+
+	printf("1: Before waiting.\n");
+	do {
+		sleep(2);
+		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
+		printf("1: After waiting, in loop.\n");
+	} while (sharedval != 0);
+
+	printf("1: After the loop.\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
+
+	printf("1: After releasing the mutex.\n");
+	PTHREAD_REQUIRE(pthread_join(new, &joinval));
+
+	printf("1: Thread joined.\n");
+}
+
+static void *
+signal_before_unlock_threadfunc(void *arg)
+{
+	int *shared = (int *) arg;
+
+	printf("2: Second thread.\n");
+
+	printf("2: Locking mutex\n");
+	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
+	printf("2: Got mutex.\n");
+	printf("Shared value: %d. Changing to 0.\n", *shared);
+	*shared = 0;
+
+	/* Signal first, then unlock, for a different test than #1. */
+	PTHREAD_REQUIRE(pthread_cond_signal(&cond));
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
+
+	return NULL;
+}
+
+ATF_TC(signal_before_unlock);
+ATF_TC_HEAD(signal_before_unlock, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+		"Checks condition variables: signal before unlocking mutex");
+}
+ATF_TC_BODY(signal_before_unlock, tc)
+{
+	pthread_t new;
+	void *joinval;
+	int sharedval;
+
+	printf("1: condition variable test 2\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL));
+	PTHREAD_REQUIRE(pthread_cond_init(&cond, NULL));
+
+	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
+
+	sharedval = 1;
+
+	PTHREAD_REQUIRE(pthread_create(&new, NULL,
+	    signal_before_unlock_threadfunc, &sharedval));
+
+	printf("1: Before waiting.\n");
+	do {
+		sleep(2);
+		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
+		printf("1: After waiting, in loop.\n");
+	} while (sharedval != 0);
+
+	printf("1: After the loop.\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
+
+	printf("1: After releasing the mutex.\n");
+	PTHREAD_REQUIRE(pthread_join(new, &joinval));
+
+	printf("1: Thread joined.\n");
+}
+
+static void *
+signal_before_unlock_static_init_threadfunc(void *arg)
+{
+	int *shared = (int *) arg;
+
+	printf("2: Second thread.\n");
+
+	printf("2: Locking mutex\n");
+	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
+	printf("2: Got mutex.\n");
+	printf("Shared value: %d. Changing to 0.\n", *shared);
+	*shared = 0;
+
+	/* Signal first, then unlock, for a different test than #1. */
+	PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
+
+	return NULL;
+}
+
+ATF_TC(signal_before_unlock_static_init);
+ATF_TC_HEAD(signal_before_unlock_static_init, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+		"Checks condition variables: signal before unlocking "
+		"mutex, use static initializers");
+}
+ATF_TC_BODY(signal_before_unlock_static_init, tc)
+{
+	pthread_t new;
+	void *joinval;
+	int sharedval;
+
+	printf("1: condition variable test 3\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
+
+	sharedval = 1;
+
+	PTHREAD_REQUIRE(pthread_create(&new, NULL,
+	    signal_before_unlock_static_init_threadfunc, &sharedval));
+
+	printf("1: Before waiting.\n");
+	do {
+		sleep(2);
+		PTHREAD_REQUIRE(pthread_cond_wait(&static_cond, &static_mutex));
+		printf("1: After waiting, in loop.\n");
+	} while (sharedval != 0);
+
+	printf("1: After the loop.\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
+
+	printf("1: After releasing the mutex.\n");
+	PTHREAD_REQUIRE(pthread_join(new, &joinval));
+
+	printf("1: Thread joined.\n");
+}
+
+static void *
+signal_wait_race_threadfunc(void *arg)
+{
+	printf("2: Second thread.\n");
+	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
+	printf("2: Before the loop.\n");
+	while (count>0) {
+		count--;
+		total++;
+		toggle = 0;
+		/* printf("2: Before signal %d.\n", count); */
+		PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
+		do {
+			PTHREAD_REQUIRE(pthread_cond_wait(&static_cond,
+			    &static_mutex));
+		} while (toggle != 1);
+	}
+	printf("2: After the loop.\n");
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
+
+	return NULL;
+}
+
+ATF_TC(signal_wait_race);
+ATF_TC_HEAD(signal_wait_race, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Checks condition variables");
+}
+ATF_TC_BODY(signal_wait_race, tc)
+{
+	pthread_t new;
+	void *joinval;
+	int sharedval;
+
+	printf("1: condition variable test 4\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
+
+	count = 50000;
+	toggle = 0;
+
+	PTHREAD_REQUIRE(pthread_create(&new, NULL, signal_wait_race_threadfunc,
+	    &sharedval));
+
+	printf("1: Before waiting.\n");
+	while (count>0) {
+		count--;
+		total++;
+		toggle = 1;
+		/* printf("1: Before signal %d.\n", count); */
+		PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
+		do {
+			PTHREAD_REQUIRE(pthread_cond_wait(&static_cond,
+			    &static_mutex));
+		} while (toggle != 0);
+	}
+	printf("1: After the loop.\n");
+
+	toggle = 1;
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
+	PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
+
+	printf("1: After releasing the mutex.\n");
+	PTHREAD_REQUIRE(pthread_join(new, &joinval));
+
+	printf("1: Thread joined. Final count = %d, total = %d\n",
+		count, total);
+
+	ATF_REQUIRE_EQ(count, 0);
+	ATF_REQUIRE_EQ(total, 50000);
+}
+
+static void *
+pthread_cond_timedwait_func(void *arg)
+{
+	struct timespec ts;
+	size_t i = 0;
+	int rv;
+
+	for (;;) {
+
+		if (i++ >= 10000)
+			pthread_exit(NULL);
+
+		(void)memset(&ts, 0, sizeof(struct timespec));
+
+		ATF_REQUIRE(clock_gettime(CLOCK_REALTIME, &ts) == 0);
+
+		/*
+		 * Set to one second in the past:
+		 * pthread_cond_timedwait(3) should
+		 * return ETIMEDOUT immediately.
+		 */
+		ts.tv_sec = ts.tv_sec - 1;
+
+		PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
+		rv = pthread_cond_timedwait(&static_cond, &static_mutex, &ts);
+
+		/*
+		 * Sometimes we catch ESRCH.
+		 * This should never happen.
+		 */
+		ATF_REQUIRE(rv == ETIMEDOUT);
+		PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
+	}
+}
+
+ATF_TC(cond_timedwait_race);
+ATF_TC_HEAD(cond_timedwait_race, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Test pthread_cond_timedwait(3)");
+
+}
+ATF_TC_BODY(cond_timedwait_race, tc)
+{
+	pthread_t tid[64];
+	size_t i;
+
+	for (i = 0; i < __arraycount(tid); i++) {
+
+		PTHREAD_REQUIRE(pthread_create(&tid[i], NULL,
+		    pthread_cond_timedwait_func, NULL));
+	}
+
+	for (i = 0; i < __arraycount(tid); i++) {
+
+		PTHREAD_REQUIRE(pthread_join(tid[i], NULL));
+	}
+}
+
+static void *
+broadcast_threadfunc(void *arg)
+{
+	printf("2: Second thread.\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
+	while (count>0) {
+		count--;
+		total++;
+		toggle = 0;
+		PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
+		do {
+			PTHREAD_REQUIRE(pthread_cond_wait(&static_cond,
+			    &static_mutex));
+		} while (toggle != 1);
+	}
+	printf("2: After the loop.\n");
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
+
+	return NULL;
+}
+
+
+ATF_TC(broadcast);
+ATF_TC_HEAD(broadcast, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+		"Checks condition variables: use pthread_cond_broadcast()");
+}
+ATF_TC_BODY(broadcast, tc)
+{
+	pthread_t new;
+	void *joinval;
+	int sharedval;
+
+	printf("1: condition variable test 5\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
+
+	count = 50000;
+	toggle = 0;
+
+	PTHREAD_REQUIRE(pthread_create(&new, NULL, broadcast_threadfunc,
+	    &sharedval));
+
+	printf("1: Before waiting.\n");
+	while (count>0) {
+		count--;
+		total++;
+		toggle = 1;
+		PTHREAD_REQUIRE(pthread_cond_broadcast(&static_cond));
+		do {
+			PTHREAD_REQUIRE(pthread_cond_wait(&static_cond,
+			    &static_mutex));
+		} while (toggle != 0);
+	}
+	printf("1: After the loop.\n");
+
+	toggle = 1;
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
+	PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
+
+	printf("1: After releasing the mutex.\n");
+	PTHREAD_REQUIRE(pthread_join(new, &joinval));
+
+	printf("1: Thread joined. Final count = %d, total = %d\n", count,
+	    total);
+
+	ATF_REQUIRE_EQ(count, 0);
+	ATF_REQUIRE_EQ(total, 50000);
+}
+
+static void *
+bogus_timedwaits_threadfunc(void *arg)
+{
+	return NULL;
+}
+
+ATF_TC(bogus_timedwaits);
+ATF_TC_HEAD(bogus_timedwaits, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+		"Checks condition variables: bogus timedwaits");
+}
+ATF_TC_BODY(bogus_timedwaits, tc)
+{
+	pthread_t new;
+	struct timespec ts;
+	struct timeval tv;
+
+	printf("condition variable test 6: bogus timedwaits\n");
+
+	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
+
+	printf("unthreaded test (past)\n");
+	gettimeofday(&tv, NULL);
+	tv.tv_sec -= 2; /* Place the time in the past */
+	TIMEVAL_TO_TIMESPEC(&tv, &ts);
+
+	ATF_REQUIRE_EQ_MSG(pthread_cond_timedwait(&static_cond, &static_mutex,
+	    &ts), ETIMEDOUT, "pthread_cond_timedwait() (unthreaded) in the "
+	    "past");
+
+	printf("unthreaded test (zero time)\n");
+	tv.tv_sec = 0;
+	tv.tv_usec = 0;
+	TIMEVAL_TO_TIMESPEC(&tv, &ts);
+
+	ATF_REQUIRE_EQ_MSG(pthread_cond_timedwait(&static_cond, &static_mutex,
+	    &ts), ETIMEDOUT, "pthread_cond_timedwait() (unthreaded) with zero "
+	    "time");
+
+	PTHREAD_REQUIRE(pthread_create(&new, NULL, bogus_timedwaits_threadfunc,
+	    NULL));
+	PTHREAD_REQUIRE(pthread_join(new, NULL));
+
+	printf("threaded test\n");
+	gettimeofday(&tv, NULL);
+	tv.tv_sec -= 2; /* Place the time in the past */
+	TIMEVAL_TO_TIMESPEC(&tv, &ts);
+
+	ATF_REQUIRE_EQ_MSG(pthread_cond_timedwait(&static_cond, &static_mutex,
+	    &ts), ETIMEDOUT, "pthread_cond_timedwait() (threaded) in the past");
+
+	printf("threaded test (zero time)\n");
+	tv.tv_sec = 0;
+	tv.tv_usec = 0;
+	TIMEVAL_TO_TIMESPEC(&tv, &ts);
+
+	ATF_REQUIRE_EQ_MSG(pthread_cond_timedwait(&static_cond, &static_mutex,
+	    &ts), ETIMEDOUT, "pthread_cond_timedwait() (threaded) with zero "
+	    "time");
+
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
+}
+
+static void
+unlock(void *arg)
+{
+	pthread_mutex_unlock((pthread_mutex_t *)arg);
+}
+
+static void *
+destroy_after_cancel_threadfunc(void *arg)
+{
+	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
+
+	pthread_cleanup_push(unlock, &mutex);
+
+	while (1) {
+		share = 1;
+		PTHREAD_REQUIRE(pthread_cond_broadcast(&cond));
+		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
+	}
+
+	pthread_cleanup_pop(0);
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
+
+	return NULL;
+}
+
+ATF_TC(destroy_after_cancel);
+ATF_TC_HEAD(destroy_after_cancel, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Checks destroying a condition variable "
+	    "after cancelling a wait");
+}
+ATF_TC_BODY(destroy_after_cancel, tc)
+{
+	pthread_t thread;
+
+	PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL));
+	PTHREAD_REQUIRE(pthread_cond_init(&cond, NULL));
+	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
+	PTHREAD_REQUIRE(pthread_create(&thread, NULL,
+	    destroy_after_cancel_threadfunc, NULL));
+
+	while (share == 0) {
+		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
+	}
+
+	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
+	PTHREAD_REQUIRE(pthread_cancel(thread));
+
+	PTHREAD_REQUIRE(pthread_join(thread, NULL));
+	PTHREAD_REQUIRE(pthread_cond_destroy(&cond));
+
+	PTHREAD_REQUIRE(pthread_mutex_destroy(&mutex));
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, signal_delay_wait);
+	ATF_TP_ADD_TC(tp, signal_before_unlock);
+	ATF_TP_ADD_TC(tp, signal_before_unlock_static_init);
+	ATF_TP_ADD_TC(tp, signal_wait_race);
+	ATF_TP_ADD_TC(tp, cond_timedwait_race);
+	ATF_TP_ADD_TC(tp, broadcast);
+	ATF_TP_ADD_TC(tp, bogus_timedwaits);
+	ATF_TP_ADD_TC(tp, destroy_after_cancel);
+
+	return atf_no_error();
+}