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| author | truckman <truckman@FreeBSD.org> | 2004-02-11 22:06:02 +0000 |
|---|---|---|
| committer | truckman <truckman@FreeBSD.org> | 2004-02-11 22:06:02 +0000 |
| commit | da322e8d358c09c962756e773ba99796e5d3ee90 (patch) | |
| tree | db4610925d7da7c9256ffa824a06f8065b7f03ff /sys/kern/sys_process.c | |
| parent | bd660fe15b83a3b56c4de4f047cf277a80150e5f (diff) | |
| download | FreeBSD-src-da322e8d358c09c962756e773ba99796e5d3ee90.zip FreeBSD-src-da322e8d358c09c962756e773ba99796e5d3ee90.tar.gz | |
When reparenting a process to init, make sure that p_sigparent is
set to SIGCHLD. This avoids the creation of orphaned Linux-threaded
zombies that init is unable to reap. This can occur when the parent
process sets its SIGCHLD to SIG_IGN. Fix a similar situation in the
PT_DETACH code.
Tested by: "Steven Hartland" <killing AT multiplay.co.uk>
Diffstat (limited to 'sys/kern/sys_process.c')
| -rw-r--r-- | sys/kern/sys_process.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c index 9e49d9d..9a79551 100644 --- a/sys/kern/sys_process.c +++ b/sys/kern/sys_process.c @@ -561,6 +561,7 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data) PROC_UNLOCK(pp); PROC_LOCK(p); proc_reparent(p, pp); + p->p_sigparent = SIGCHLD; } p->p_flag &= ~(P_TRACED | P_WAITED); p->p_oppid = 0; |
