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add another testcase for dekker-fences
[model-checker-benchmarks.git]
/
mcs-lock
/
mcs-lock.h
diff --git
a/mcs-lock/mcs-lock.h
b/mcs-lock/mcs-lock.h
index 4b808f7c3c9b9bbc7effe6b4e6c570f2712e5232..70e4019f9c9046a8242341689d51b4fd0d51a85a 100644
(file)
--- a/
mcs-lock/mcs-lock.h
+++ b/
mcs-lock/mcs-lock.h
@@
-69,7
+69,8
@@
public:
if ( next == NULL )
{
mcs_node * tail_was_me = me;
if ( next == NULL )
{
mcs_node * tail_was_me = me;
- if ( m_tail.compare_exchange_strong( tail_was_me,NULL,std::mo_acq_rel) ) {
+ if ( m_tail.compare_exchange_strong(
+ tail_was_me,NULL,std::mo_release) ) {
// got null in tail, mutex is unlocked
return;
}
// got null in tail, mutex is unlocked
return;
}