X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FThreads.c;h=f6b1bac1a78d55696154937ff59498f170c7f9bd;hb=3d290c13b56c9b30cf3ef66bd5744415f4dac086;hp=0dee734baa0edfc15903a437c5e191c266c33067;hpb=676b26bb57906b7fccf813771909ee19366e81e2;p=ghc-hetmet.git

diff --git a/rts/Threads.c b/rts/Threads.c
index 0dee734..f6b1bac 100644
--- a/rts/Threads.c
+++ b/rts/Threads.c
@@ -163,9 +163,11 @@ removeThreadFromQueue (Capability *cap, StgTSO **queue, StgTSO *tso)
 	if (t == tso) {
 	    if (prev) {
 		setTSOLink(cap,prev,t->_link);
+                t->_link = END_TSO_QUEUE;
                 return rtsFalse;
 	    } else {
 		*queue = t->_link;
+                t->_link = END_TSO_QUEUE;
                 return rtsTrue;
 	    }
 	}
@@ -190,7 +192,8 @@ removeThreadFromDeQueue (Capability *cap,
 		*head = t->_link;
                 flag = rtsTrue;
 	    }
-	    if (*tail == tso) {
+            t->_link = END_TSO_QUEUE;
+            if (*tail == tso) {
 		if (prev) {
 		    *tail = prev;
 		} else {