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postsig() currently requires Giant to be held. Giant is held properly at

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the first postsig() call, but not always held at the second place,
resulting in an occassional panic.
This commit is contained in:
Matthew Dillon 2001-07-04 15:36:30 +00:00
parent e3718e310c
commit 085be199c6
1 changed files with 2 additions and 0 deletions
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2
sys/kern/subr_trap.c
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@ -91,9 +91,11 @@ userret(p, frame, oticks)
mi_switch();
mtx_unlock_spin(&sched_lock);
PICKUP_GIANT();
mtx_lock(&Giant);
PROC_LOCK(p);
while ((sig = CURSIG(p)) != 0)
postsig(sig);
mtx_unlock(&Giant);
mtx_lock_spin(&sched_lock);
PROC_UNLOCK_NOSWITCH(p);
}