svn commit: r233808 - head/sys/kern

[Konstantin Belousov]

Author: kib
Date: Mon Apr  2 19:34:56 2012
New Revision: 233808
URL: http://svn.freebsd.org/changeset/base/233808

Log:
  Add helper function to remove the process from the orphans list and
  use it instead of inlined code.
  
  Tested by:	pho
  MFC after:	3 days

Modified:
  head/sys/kern/kern_exit.c

Modified: head/sys/kern/kern_exit.c
==============================================================================
--- head/sys/kern/kern_exit.c	Mon Apr  2 19:17:01 2012	(r233807)
+++ head/sys/kern/kern_exit.c	Mon Apr  2 19:34:56 2012	(r233808)
@@ -100,6 +100,18 @@ SDT_PROBE_ARGTYPE(proc, kernel, , exit, 
 /* Hook for NFS teardown procedure. */
 void (*nlminfo_release_p)(struct proc *p);
 
+static void
+clear_orphan(struct proc *p)
+{
+
+	PROC_LOCK_ASSERT(p, MA_OWNED);
+
+	if (p->p_flag & P_ORPHAN) {
+		LIST_REMOVE(p, p_orphan);
+		p->p_flag &= ~P_ORPHAN;
+	}
+}
+
 /*
  * exit -- death of process.
  */
@@ -739,10 +751,7 @@ proc_reap(struct thread *td, struct proc
 	sx_xunlock(&allproc_lock);
 	LIST_REMOVE(p, p_sibling);
 	PROC_LOCK(p);
-	if (p->p_flag & P_ORPHAN) {
-		LIST_REMOVE(p, p_orphan);
-		p->p_flag &= ~P_ORPHAN;
-	}
+	clear_orphan(p);
 	PROC_UNLOCK(p);
 	leavepgrp(p);
 #ifdef PROCDESC
@@ -987,10 +996,7 @@ proc_reparent(struct proc *child, struct
 	LIST_REMOVE(child, p_sibling);
 	LIST_INSERT_HEAD(&parent->p_children, child, p_sibling);
 
-	if (child->p_flag & P_ORPHAN) {
-		LIST_REMOVE(child, p_orphan);
-		child->p_flag &= ~P_ORPHAN;
-	}
+	clear_orphan(child);
 	if (child->p_flag & P_TRACED) {
 		LIST_INSERT_HEAD(&child->p_pptr->p_orphans, child, p_orphan);
 		child->p_flag |= P_ORPHAN;