diff options
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. |
