From e2819e52a162873ff5061de81bb749831bdb5de9 Mon Sep 17 00:00:00 2001
From: Miguel de Icaza <miguel@nuclecu.unam.mx>
Date: Wed, 6 Aug 1997 19:14:48 +0000
Subject: Merge to 2.1.38.

IMPORTANT NOTE:  I could not figure out what information is the
one that should be used for the following files (ie, those
that were in our tree, or those that came from Linus' patch),
please, check these:

include/asm-mips/jazz.h
include/asm-mips/jazzdma.h
include/asm-mips/ioctls.h
---
 kernel/exit.c | 31 ++++++++++++++-----------------
 1 file changed, 14 insertions(+), 17 deletions(-)

(limited to 'kernel/exit.c')

diff --git a/kernel/exit.c b/kernel/exit.c
index afa3e5393..23f0da655 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -119,12 +119,12 @@ int send_sig(unsigned long sig,struct task_struct * p,int priv)
 	return 0;
 }
 
-void notify_parent(struct task_struct * tsk)
+void notify_parent(struct task_struct * tsk, int signal)
 {
-	if (tsk->p_pptr == task[smp_num_cpus])		/* Init */
-		tsk->exit_signal = SIGCHLD;
-	send_sig(tsk->exit_signal, tsk->p_pptr, 1);
-	wake_up_interruptible(&tsk->p_pptr->wait_chldexit);
+	struct task_struct * parent = tsk->p_pptr;
+
+	send_sig(signal, parent, 1);
+	wake_up_interruptible(&parent->wait_chldexit);
 }
 
 void release(struct task_struct * p)
@@ -346,11 +346,10 @@ static inline void forget_original_parent(struct task_struct * father)
 
 	read_lock(&tasklist_lock);
 	for_each_task(p) {
-		if (p->p_opptr == father)
-			if (task[smp_num_cpus])	/* init */
-				p->p_opptr = task[smp_num_cpus];
-			else
-				p->p_opptr = task[0];
+		if (p->p_opptr == father) {
+			p->exit_signal = SIGCHLD;
+			p->p_opptr = task[smp_num_cpus] ? : task[0];	/* init */
+		}
 	}
 	read_unlock(&tasklist_lock);
 }
@@ -488,7 +487,7 @@ static void exit_notify(void)
 		kill_pg(current->pgrp,SIGCONT,1);
 	}
 	/* Let father know we died */
-	notify_parent(current);
+	notify_parent(current, current->exit_signal);
 
 	/*
 	 * This loop does two things:
@@ -502,15 +501,13 @@ static void exit_notify(void)
 		current->p_cptr = p->p_osptr;
 		p->p_ysptr = NULL;
 		p->flags &= ~(PF_PTRACED|PF_TRACESYS);
-		if (task[smp_num_cpus] && task[smp_num_cpus] != current) /* init */
-			p->p_pptr = task[smp_num_cpus];
-		else
-			p->p_pptr = task[0];
+
+		p->p_pptr = p->p_opptr;
 		p->p_osptr = p->p_pptr->p_cptr;
 		p->p_osptr->p_ysptr = p;
 		p->p_pptr->p_cptr = p;
 		if (p->state == TASK_ZOMBIE)
-			notify_parent(p);
+			notify_parent(p, p->exit_signal);
 		/*
 		 * process group orphan check
 		 * Case ii: Our child is in a different pgrp
@@ -651,7 +648,7 @@ repeat:
 					REMOVE_LINKS(p);
 					p->p_pptr = p->p_opptr;
 					SET_LINKS(p);
-					notify_parent(p);
+					notify_parent(p, SIGCHLD);
 				} else
 					release(p);
 #ifdef DEBUG_PROC_TREE
-- 
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