diff options
| author | tanimura <tanimura@FreeBSD.org> | 2002-05-03 05:32:25 +0000 |
|---|---|---|
| committer | tanimura <tanimura@FreeBSD.org> | 2002-05-03 05:32:25 +0000 |
| commit | 58f1f5c532ae9a81c60b6a1a7e54ad895e064a72 (patch) | |
| tree | 5b920d700adbb2e0fafe50281dbb6710febcf995 /sys/kern/kern_exit.c | |
| parent | 20d0f94ddc7dea6947e89c901881ab755ae32d34 (diff) | |
| download | FreeBSD-src-58f1f5c532ae9a81c60b6a1a7e54ad895e064a72.zip FreeBSD-src-58f1f5c532ae9a81c60b6a1a7e54ad895e064a72.tar.gz | |
Fix the lock order reversal between the sigio lock and a process/pgrp lock in
funsetownlst() by locking the sigio lock across funsetownlst().
Diffstat (limited to 'sys/kern/kern_exit.c')
| -rw-r--r-- | sys/kern/kern_exit.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c index 2927647..ed6b6f0 100644 --- a/sys/kern/kern_exit.c +++ b/sys/kern/kern_exit.c @@ -191,9 +191,11 @@ exit1(td, rv) * Reset any sigio structures pointing to us as a result of * F_SETOWN with our pid. */ + SIGIO_LOCK(); PROC_LOCK(p); funsetownlst(&p->p_sigiolst); PROC_UNLOCK(p); + SIGIO_UNLOCK(); /* * Close open files and release open-file table. |
