[libvirt] [PATCH] virCondWaitUntil: calculate timespec correctly

Martin Kletzander mkletzan at redhat.com
Thu Apr 16 13:48:25 UTC 2015


On Thu, Apr 16, 2015 at 07:27:36PM +1000, Michael Chapman wrote:
>ts.tv_nsec was off by a factor of 1000, making timeouts less than a
>second in the future often expiring immediately.
>
>Signed-off-by: Michael Chapman <mike at very.puzzling.org>
>---
> src/util/virthread.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>

Wow, we had a bug like that there since...  The introduction of that
function in commit e40438fa.  That's more than 5 years.

Good catch, ACK, I'll push this shortly.

>diff --git a/src/util/virthread.c b/src/util/virthread.c
>index c2a9e7f..6c49515 100644
>--- a/src/util/virthread.c
>+++ b/src/util/virthread.c
>@@ -164,7 +164,7 @@ int virCondWaitUntil(virCondPtr c, virMutexPtr m, unsigned long long whenms)
>     struct timespec ts;
>
>     ts.tv_sec = whenms / 1000;
>-    ts.tv_nsec = (whenms % 1000) * 1000;
>+    ts.tv_nsec = (whenms % 1000) * 1000000;
>
>     if ((ret = pthread_cond_timedwait(&c->cond, &m->lock, &ts)) != 0) {
>         errno = ret;
>--
>2.1.0
>
>--
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