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| author | Rickard Green <[email protected]> | 2010-12-10 23:06:27 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2010-12-15 14:59:16 +0100 |
| commit | 076f6b11e76fd6c7978950749410dc5bccd02b7f (patch) | |
| tree | 22f906d74d18bf7d9a409ba06f93a03b3e6104c2 /erts/lib_src/win/ethr_event.c | |
| parent | 4708dddcac0932beaa0f396baf0de11e956a05d2 (diff) | |
| download | otp-076f6b11e76fd6c7978950749410dc5bccd02b7f.tar.gz otp-076f6b11e76fd6c7978950749410dc5bccd02b7f.tar.bz2 otp-076f6b11e76fd6c7978950749410dc5bccd02b7f.zip | |
Add support for 32-bit atomics
Diffstat (limited to 'erts/lib_src/win/ethr_event.c')
| -rw-r--r-- | erts/lib_src/win/ethr_event.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/erts/lib_src/win/ethr_event.c b/erts/lib_src/win/ethr_event.c index ddb4780ff1..68f093f49c 100644 --- a/erts/lib_src/win/ethr_event.c +++ b/erts/lib_src/win/ethr_event.c @@ -28,6 +28,9 @@ /* --- Windows implementation of thread events ------------------------------ */ +#pragma intrinsic(_InterlockedExchangeAdd) +#pragma intrinsic(_InterlockedCompareExchange) + int ethr_event_init(ethr_event *e) { @@ -72,10 +75,10 @@ wait(ethr_event *e, int spincount) while (1) { long on; while (1) { -#if ETHR_IMMED_ATOMIC_SET_GET_SAFE__ +#if ETHR_READ_AND_SET_WITHOUT_INTERLOCKED_OP__ state = e->state; #else - state = InterlockedExchangeAdd(&e->state, (LONG) 0); + state = _InterlockedExchangeAdd(&e->state, (LONG) 0); #endif if (state == ETHR_EVENT_ON__) return 0; |