plan9port

commit 1aa9c533e0778d9917cdb19f71e3bc7416e8d528
parent 8b549a62142839c7e184939fe56850987dded578
Author: rsc <devnull@localhost>
Date:   Fri,  7 Jan 2005 20:52:07 +0000

allow lock passing

Diffstat:
M
src/libthread/thread.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/libthread/thread.c b/src/libthread/thread.c
@@ -344,9 +344,10 @@ threadqunlock(QLock *l, ulong pc)
 {
 	lock(&l->l);
 //print("qlock unlock %p @%#x by %p (owner %p)\n", l, pc, (*threadnow)(), l->owner);
-	if(l->owner != (*threadnow)()){
+	if(l->owner == 0){
 		fprint(2, "%s: qunlock pc=0x%lux owner=%p self=%p oops\n",
 			argv0, pc, l->owner, (*threadnow)());
+		abort();
 	}
 	if((l->owner = l->waiting.head) != nil){
 		delthread(&l->waiting, l->owner);