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removeThreadFromQueue: stub out the link field before returning (#4813)
author
Simon Marlow
<marlowsd@gmail.com>
Thu, 2 Dec 2010 16:08:38 +0000
(16:08 +0000)
committer
Simon Marlow
<marlowsd@gmail.com>
Thu, 2 Dec 2010 16:08:38 +0000
(16:08 +0000)
rts/Threads.c
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diff --git
a/rts/Threads.c
b/rts/Threads.c
index
0dee734
..
f6b1bac
100644
(file)
--- 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 {