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authorRickard Green <[email protected]>2010-12-10 23:06:27 +0100
committerRickard Green <[email protected]>2010-12-15 14:59:16 +0100
commit076f6b11e76fd6c7978950749410dc5bccd02b7f (patch)
tree22f906d74d18bf7d9a409ba06f93a03b3e6104c2 /erts/include/internal/win/ethr_event.h
parent4708dddcac0932beaa0f396baf0de11e956a05d2 (diff)
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Add support for 32-bit atomics
Diffstat (limited to 'erts/include/internal/win/ethr_event.h')
-rw-r--r--erts/include/internal/win/ethr_event.h16
1 files changed, 9 insertions, 7 deletions
diff --git a/erts/include/internal/win/ethr_event.h b/erts/include/internal/win/ethr_event.h
index af57c20f91..598816b2c6 100644
--- a/erts/include/internal/win/ethr_event.h
+++ b/erts/include/internal/win/ethr_event.h
@@ -21,22 +21,24 @@
* Author: Rickard Green
*/
-#define ETHR_EVENT_OFF_WAITER__ ((LONG) -1)
-#define ETHR_EVENT_OFF__ ((LONG) 1)
-#define ETHR_EVENT_ON__ ((LONG) 0)
+#define ETHR_EVENT_OFF_WAITER__ ((long) -1)
+#define ETHR_EVENT_OFF__ ((long) 1)
+#define ETHR_EVENT_ON__ ((long) 0)
typedef struct {
- volatile LONG state;
+ volatile long state;
HANDLE handle;
} ethr_event;
#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__)
+#pragma intrinsic(_InterlockedExchange)
+
static ETHR_INLINE void
ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e)
{
- /* InterlockedExchange() imply a full memory barrier which is important */
- LONG state = InterlockedExchange(&e->state, ETHR_EVENT_ON__);
+ /* _InterlockedExchange() imply a full memory barrier which is important */
+ long state = _InterlockedExchange(&e->state, ETHR_EVENT_ON__);
if (state == ETHR_EVENT_OFF_WAITER__) {
if (!SetEvent(e->handle))
ETHR_FATAL_ERROR__(ethr_win_get_errno__());
@@ -46,7 +48,7 @@ ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e)
static ETHR_INLINE void
ETHR_INLINE_FUNC_NAME_(ethr_event_reset)(ethr_event *e)
{
- /* InterlockedExchange() imply a full memory barrier which is important */
+ /* _InterlockedExchange() imply a full memory barrier which is important */
InterlockedExchange(&e->state, ETHR_EVENT_OFF__);
}