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authorgson <gson@NetBSD.org>2013-04-12 14:21:52 +0000
committergson <gson@NetBSD.org>2013-04-12 14:21:52 +0000
commit5e5e39083e050cc0804dce535f359a92adbe2373 (patch)
treeaeafe0e456c0eafd7b9ad6ca5ddbdf4872d7ec5c /tests/lib/libpthread/t_condwait.c
parentcf2292387b7a0bf9027216db2ec4b1fa75fa770b (diff)
Make cond_wait_mono and cond_wait_real tests accept a wait time in the
range of 90% to 250% of nominal, to allow the test to pass under qemu which has a known issue where timing can be off by a factor of two.
Diffstat (limited to 'tests/lib/libpthread/t_condwait.c')
-rw-r--r--tests/lib/libpthread/t_condwait.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/tests/lib/libpthread/t_condwait.c b/tests/lib/libpthread/t_condwait.c
index 1663963eb32..7c77387f7f1 100644
--- a/tests/lib/libpthread/t_condwait.c
+++ b/tests/lib/libpthread/t_condwait.c
@@ -1,4 +1,4 @@
-/* $NetBSD: t_condwait.c,v 1.2 2013/03/29 02:32:38 christos Exp $ */
+/* $NetBSD: t_condwait.c,v 1.3 2013/04/12 14:21:52 gson Exp $ */
/*
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -26,7 +26,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_condwait.c,v 1.2 2013/03/29 02:32:38 christos Exp $");
+__RCSID("$NetBSD: t_condwait.c,v 1.3 2013/04/12 14:21:52 gson Exp $");
#include <errno.h>
#include <pthread.h>
@@ -46,6 +46,7 @@ static void *
run(void *param)
{
struct timespec ts, to, te;
+ double to_seconds;
clockid_t clck;
pthread_condattr_t attr;
pthread_cond_t cond;
@@ -74,13 +75,16 @@ run(void *param)
/* Timeout */
ATF_REQUIRE_EQ(clock_gettime(clck, &te), 0);
timespecsub(&te, &to, &to);
+ to_seconds = to.tv_sec + 1e-9 * to.tv_nsec;
if (debug) {
printf("timeout: %lld.%09ld sec\n",
(long long)te.tv_sec, te.tv_nsec);
printf("elapsed: %lld.%09ld sec\n",
(long long)to.tv_sec, to.tv_nsec);
}
- ATF_REQUIRE_EQ(to.tv_sec, WAITTIME);
+ ATF_REQUIRE(to_seconds >= WAITTIME * 0.9);
+ /* Use a loose upper limit because of qemu timing bugs */
+ ATF_REQUIRE(to_seconds < WAITTIME * 2.5);
break;
default:
ATF_REQUIRE_MSG(0, "pthread_cond_timedwait: %s", strerror(ret));