From f19d56825d36b224a376b4012c7656871d9b1535 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Thu, 28 Jul 2005 12:43:41 +0000
Subject: different fix

---
 src/libthread/BSD.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/libthread/BSD.c')

diff --git a/src/libthread/BSD.c b/src/libthread/BSD.c
index 8090ea59..3dbb3b2a 100644
--- a/src/libthread/BSD.c
+++ b/src/libthread/BSD.c
@@ -285,6 +285,9 @@ threadexitsall(char *msg)
 	int i, npid, mypid;
 	Proc *p;
 
+	if(msg == nil)
+		msg = "";
+
 	/* 
 	 * Only one guy, ever, gets to run this.
 	 * If two guys do it, inevitably they end up
@@ -296,7 +299,9 @@ threadexitsall(char *msg)
 	 */
 	{
 		static Lock onelock;
-		lock(&onelock);
+		if(!canlock(&onelock))
+			_exits(threadexitsmsg);
+		threadexitsmsg = msg;
 	}
 
 	if(msg == nil)
-- 
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