From d14748b5888d697583b6dc9df2feed1f09f92a4c Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Tue, 11 Nov 2014 21:23:42 +0100
Subject: proc: implement `proc_make_task_namespace'

* proc/proc.h (struct proc): Add field `p_task_namespace'.
* proc/mgt.c (S_proc_child): Propagate `p_task_namespace' to child.
(allocate_proc): Initialize `p_task_namespace'.
(namespace_terminate): New function.
(process_has_exited): Reparent children of dead tasks in the namespace
to the root process.  Terminate all tasks if the root process dies.
Reap dead tasks.
(S_mach_notify_new_task): For newly created tasks thats parent is in a
namespace, call S_proc_child and forward the `mach_notify_new_task'
message.
(S_proc_make_task_namespace): New function.
---
 proc/proc.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'proc/proc.h')

diff --git a/proc/proc.h b/proc/proc.h
index 61966971..a056d18c 100644
--- a/proc/proc.h
+++ b/proc/proc.h
@@ -58,6 +58,10 @@ struct proc
   /* Process group structure */
   struct pgrp *p_pgrp;
 
+  /* Processes may live in a task namespace identified by the
+     notification port registered by proc_make_task_namespace.  */
+  mach_port_t p_task_namespace;	/* send right */
+
   /* Communication */
   mach_port_t p_msgport;	/* send right */
 
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