diff options
Diffstat (limited to 'sys/kern/kern_condvar.c')
| -rw-r--r-- | sys/kern/kern_condvar.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/kern/kern_condvar.c b/sys/kern/kern_condvar.c index 160434b041fe..7852234f8c26 100644 --- a/sys/kern/kern_condvar.c +++ b/sys/kern/kern_condvar.c @@ -146,7 +146,9 @@ cv_switch_catch(struct thread *td) mtx_unlock_spin(&sched_lock); p = td->td_proc; PROC_LOCK(p); + mtx_lock(&p->p_sigacts->ps_mtx); sig = cursig(td); + mtx_unlock(&p->p_sigacts->ps_mtx); if (thread_suspend_check(1)) sig = SIGSTOP; mtx_lock_spin(&sched_lock); @@ -283,6 +285,7 @@ cv_wait_sig(struct cv *cvp, struct mtx *mp) mtx_unlock_spin(&sched_lock); PROC_LOCK(p); + mtx_lock(&p->p_sigacts->ps_mtx); if (sig == 0) sig = cursig(td); /* XXXKSE */ if (sig != 0) { @@ -291,6 +294,7 @@ cv_wait_sig(struct cv *cvp, struct mtx *mp) else rval = ERESTART; } + mtx_unlock(&p->p_sigacts->ps_mtx); if (p->p_flag & P_WEXIT) rval = EINTR; PROC_UNLOCK(p); @@ -446,6 +450,7 @@ cv_timedwait_sig(struct cv *cvp, struct mtx *mp, int timo) mtx_unlock_spin(&sched_lock); PROC_LOCK(p); + mtx_lock(&p->p_sigacts->ps_mtx); if (sig == 0) sig = cursig(td); if (sig != 0) { @@ -454,6 +459,7 @@ cv_timedwait_sig(struct cv *cvp, struct mtx *mp, int timo) else rval = ERESTART; } + mtx_unlock(&p->p_sigacts->ps_mtx); if (p->p_flag & P_WEXIT) rval = EINTR; PROC_UNLOCK(p); |