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| author | tanimura <tanimura@FreeBSD.org> | 2002-04-02 17:12:06 +0000 |
|---|---|---|
| committer | tanimura <tanimura@FreeBSD.org> | 2002-04-02 17:12:06 +0000 |
| commit | 448edc64b41e8d0220c4eaa170ff10164700ec44 (patch) | |
| tree | f99460f08fd6efa937839d0462a49446be5160d7 /sys/kern/kern_fork.c | |
| parent | eb20435a6906b433f62bf89933bc486aa0ecde07 (diff) | |
| download | FreeBSD-src-448edc64b41e8d0220c4eaa170ff10164700ec44.zip FreeBSD-src-448edc64b41e8d0220c4eaa170ff10164700ec44.tar.gz | |
Fix leakage of p_pgrp lock.
Diffstat (limited to 'sys/kern/kern_fork.c')
| -rw-r--r-- | sys/kern/kern_fork.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index 8782007..ec959d5 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -538,6 +538,8 @@ again: FILEDESC_UNLOCK(p1->p_fd); } else fd = fdshare(p1); + PGRPSESS_XLOCK(); + PGRP_LOCK(p1->p_pgrp); PROC_LOCK(p2); p2->p_fd = fd; @@ -570,6 +572,8 @@ again: LIST_INSERT_AFTER(p1, p2, p_pglist); PROC_UNLOCK(p1); PROC_UNLOCK(p2); + PGRP_UNLOCK(p1->p_pgrp); + PGRPSESS_XUNLOCK(); /* * Attach the new process to its parent. |
