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| author | Jake Burkholder <jake@FreeBSD.org> | 2000-12-23 19:43:10 +0000 |
|---|---|---|
| committer | Jake Burkholder <jake@FreeBSD.org> | 2000-12-23 19:43:10 +0000 |
| commit | 98f03f90302d1d2f1878c8451c5ddf1789eeafce (patch) | |
| tree | ea50f71f1cefaa4318c6e8145cbda53d3da0e4f2 /sys/kern/kern_fork.c | |
| parent | 1826f66757c99b9b52f6b69e11ea871edce46a25 (diff) | |
| download | src-98f03f90302d1d2f1878c8451c5ddf1789eeafce.tar.gz src-98f03f90302d1d2f1878c8451c5ddf1789eeafce.zip | |
Protect proc.p_pptr and proc.p_children/p_sibling with the
proctree_lock.
linprocfs not locked pending response from informal maintainer.
Reviewed by: jhb, -smp@
Notes
Notes:
svn path=/head/; revision=70317
Diffstat (limited to 'sys/kern/kern_fork.c')
| -rw-r--r-- | sys/kern/kern_fork.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index 60171a5a854a..1c8cb3853c86 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -476,8 +476,10 @@ again: pptr = initproc; else pptr = p1; + PROCTREE_LOCK(PT_EXCLUSIVE); p2->p_pptr = pptr; LIST_INSERT_HEAD(&pptr->p_children, p2, p_sibling); + PROCTREE_LOCK(PT_RELEASE); LIST_INIT(&p2->p_children); LIST_INIT(&p2->p_heldmtx); LIST_INIT(&p2->p_contested); |