diff options
| -rw-r--r-- | sys/kern/kern_condvar.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/sys/kern/kern_condvar.c b/sys/kern/kern_condvar.c index 1087fc6..07ed3b7 100644 --- a/sys/kern/kern_condvar.c +++ b/sys/kern/kern_condvar.c @@ -140,8 +140,10 @@ cv_switch_catch(struct proc *p) */ p->p_sflag |= PS_SINTR; mtx_unlock_spin(&sched_lock); + PROC_LOCK(p); sig = CURSIG(p); mtx_lock_spin(&sched_lock); + PROC_UNLOCK_NOSWITCH(p); if (sig != 0) { if (p->p_wchan != NULL) cv_waitq_remove(p); @@ -275,20 +277,22 @@ cv_wait_sig(struct cv *cvp, struct mtx *mp) mtx_unlock_spin(&sched_lock); PICKUP_GIANT(); + PROC_LOCK(p); if (sig == 0) sig = CURSIG(p); if (sig != 0) { - PROC_LOCK(p); if (SIGISMEMBER(p->p_sigacts->ps_sigintr, sig)) rval = EINTR; else rval = ERESTART; - PROC_UNLOCK(p); } + PROC_UNLOCK(p); #ifdef KTRACE + mtx_lock(&Giant); if (KTRPOINT(p, KTR_CSW)) ktrcsw(p->p_tracep, 0, 0); + mtx_unlock(&Giant); #endif mtx_lock(mp); WITNESS_RESTORE(&mp->mtx_object, mp); @@ -409,20 +413,22 @@ cv_timedwait_sig(struct cv *cvp, struct mtx *mp, int timo) mtx_unlock_spin(&sched_lock); PICKUP_GIANT(); + PROC_LOCK(p); if (sig == 0) sig = CURSIG(p); if (sig != 0) { - PROC_LOCK(p); if (SIGISMEMBER(p->p_sigacts->ps_sigintr, sig)) rval = EINTR; else rval = ERESTART; - PROC_UNLOCK(p); } + PROC_UNLOCK(p); #ifdef KTRACE + mtx_lock(&Giant); if (KTRPOINT(p, KTR_CSW)) ktrcsw(p->p_tracep, 0, 0); + mtx_unlock(&Giant); #endif mtx_lock(mp); WITNESS_RESTORE(&mp->mtx_object, mp); |
