system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-09-21 01:03:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse source 
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
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=79222
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
sys/kern/subr_trap.c
View file

@ -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);
}