diff options
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. |
