diff options
Diffstat (limited to 'proc')
| -rw-r--r-- | proc/mgt.c | 25 | ||||
| -rw-r--r-- | proc/proc.h | 1 |
2 files changed, 18 insertions, 8 deletions
@@ -733,6 +733,22 @@ new_proc (task_t task) return p; } +/* Find the creator of the task namespace that P is in. */ +struct proc * +namespace_find_root (struct proc *p) +{ + for (; + MACH_PORT_VALID (p->p_parent->p_task_namespace); + p = p->p_parent) + { + /* Walk up the process hierarchy until we find the creator of + the task namespace. The last process we encounter that has a + valid task_namespace must be the creator. */ + } + + return p; +} + /* Used with prociterate to terminate all tasks in a task namespace. */ static void @@ -785,14 +801,7 @@ process_has_exited (struct proc *p) if (MACH_PORT_VALID (p->p_task_namespace)) { - for (tp = p; - MACH_PORT_VALID (tp->p_parent->p_task_namespace); - tp = tp->p_parent) - { - /* Walk up the process hierarchy until we find the - creator of the task namespace. */ - } - + tp = namespace_find_root (p); if (p == tp) { /* The creator of the task namespace died. Terminate diff --git a/proc/proc.h b/proc/proc.h index ffb54bf0..c0696149 100644 --- a/proc/proc.h +++ b/proc/proc.h @@ -201,6 +201,7 @@ void leave_pgrp (struct proc *); void join_pgrp (struct proc *); void boot_setsid (struct proc *); +struct proc *namespace_find_root (struct proc *); void process_has_exited (struct proc *); void alert_parent (struct proc *); void reparent_zombies (struct proc *); |