diff options
| -rw-r--r-- | proc/pgrp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/proc/pgrp.c b/proc/pgrp.c index ea500fee..ea64ede7 100644 --- a/proc/pgrp.c +++ b/proc/pgrp.c @@ -371,7 +371,10 @@ join_pgrp (struct proc *p) pg->pg_plist->p_gprevp = &p->p_gnext; pg->pg_plist = p; - if (p->p_parent->p_pgrp != pg + /* Processes 0 and 1 have no parent; they count as orphaned + processes always. */ + if (p->p_parent + && p->p_parent->p_pgrp != pg && p->p_parent->p_pgrp->pg_session == pg->pg_session) pg->pg_orphcnt++; } |