diff options
Diffstat (limited to 'sys/kern/kern_synch.c')
| -rw-r--r-- | sys/kern/kern_synch.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c index d648e9e311e9..fbf6ed3275af 100644 --- a/sys/kern/kern_synch.c +++ b/sys/kern/kern_synch.c @@ -230,7 +230,9 @@ msleep(ident, mtx, priority, wmesg, timo) td->td_flags |= TDF_SINTR; mtx_unlock_spin(&sched_lock); PROC_LOCK(p); + mtx_lock(&p->p_sigacts->ps_mtx); sig = cursig(td); + mtx_unlock(&p->p_sigacts->ps_mtx); if (sig == 0 && thread_suspend_check(1)) sig = SIGSTOP; mtx_lock_spin(&sched_lock); @@ -291,12 +293,14 @@ msleep(ident, mtx, priority, wmesg, timo) if (rval == 0 && catch) { PROC_LOCK(p); /* XXX: shouldn't we always be calling cursig() */ + mtx_lock(&p->p_sigacts->ps_mtx); if (sig != 0 || (sig = cursig(td))) { if (SIGISMEMBER(p->p_sigacts->ps_sigintr, sig)) rval = EINTR; else rval = ERESTART; } + mtx_unlock(&p->p_sigacts->ps_mtx); PROC_UNLOCK(p); } #ifdef KTRACE |