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| author | Renato Botelho <renato@netgate.com> | 2017-01-09 12:07:59 -0200 |
|---|---|---|
| committer | Renato Botelho <renato@netgate.com> | 2017-01-09 12:07:59 -0200 |
| commit | baeac042059786f1ed0cca7ca4a4a32721362cab (patch) | |
| tree | 3b848bddaf0f478d0c0651c8ee62129d3d9bacf5 /sys/kern/kern_condvar.c | |
| parent | 1af1408e09373ae856cfef567d79849c7e7e0d25 (diff) | |
| parent | f91948fdd5322d9aae1e8785976df69612c1999f (diff) | |
| download | FreeBSD-src-baeac042059786f1ed0cca7ca4a4a32721362cab.zip FreeBSD-src-baeac042059786f1ed0cca7ca4a4a32721362cab.tar.gz | |
Merge remote-tracking branch 'origin/stable/11' into devel-11
Diffstat (limited to 'sys/kern/kern_condvar.c')
| -rw-r--r-- | sys/kern/kern_condvar.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/kern_condvar.c b/sys/kern/kern_condvar.c index d4b477f..5b10914 100644 --- a/sys/kern/kern_condvar.c +++ b/sys/kern/kern_condvar.c @@ -397,6 +397,8 @@ cv_signal(struct cv *cvp) { int wakeup_swapper; + if (cvp->cv_waiters == 0) + return; wakeup_swapper = 0; sleepq_lock(cvp); if (cvp->cv_waiters > 0) { @@ -424,6 +426,8 @@ cv_broadcastpri(struct cv *cvp, int pri) { int wakeup_swapper; + if (cvp->cv_waiters == 0) + return; /* * XXX sleepq_broadcast pri argument changed from -1 meaning * no pri to 0 meaning no pri. |
