diff options
Diffstat (limited to 'erts/lib_src/win/ethr_event.c')
| -rw-r--r-- | erts/lib_src/win/ethr_event.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/erts/lib_src/win/ethr_event.c b/erts/lib_src/win/ethr_event.c index 68f093f49c..bc2f635c26 100644 --- a/erts/lib_src/win/ethr_event.c +++ b/erts/lib_src/win/ethr_event.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2009-2010. All Rights Reserved. + * Copyright Ericsson AB 2009-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -28,13 +28,10 @@ /* --- Windows implementation of thread events ------------------------------ */ -#pragma intrinsic(_InterlockedExchangeAdd) -#pragma intrinsic(_InterlockedCompareExchange) - int ethr_event_init(ethr_event *e) { - e->state = ETHR_EVENT_OFF__; + ethr_atomic32_init(&e->state, ETHR_EVENT_OFF__); e->handle = CreateEvent(NULL, FALSE, FALSE, NULL); if (e->handle == INVALID_HANDLE_VALUE) return ethr_win_get_errno__(); @@ -63,7 +60,6 @@ ethr_event_reset(ethr_event *e) static ETHR_INLINE int wait(ethr_event *e, int spincount) { - LONG state; DWORD code; int sc, res, until_yield = ETHR_YIELD_AFTER_BUSY_LOOPS; @@ -73,13 +69,9 @@ wait(ethr_event *e, int spincount) sc = spincount; while (1) { - long on; + ethr_sint32_t state; while (1) { -#if ETHR_READ_AND_SET_WITHOUT_INTERLOCKED_OP__ - state = e->state; -#else - state = _InterlockedExchangeAdd(&e->state, (LONG) 0); -#endif + state = ethr_atomic32_read(&e->state); if (state == ETHR_EVENT_ON__) return 0; if (sc == 0) @@ -95,9 +87,9 @@ wait(ethr_event *e, int spincount) } if (state != ETHR_EVENT_OFF_WAITER__) { - state = _InterlockedCompareExchange(&e->state, - ETHR_EVENT_OFF_WAITER__, - ETHR_EVENT_OFF__); + state = ethr_atomic32_cmpxchg(&e->state, + ETHR_EVENT_OFF_WAITER__, + ETHR_EVENT_OFF__); if (state == ETHR_EVENT_ON__) return 0; ETHR_ASSERT(state == ETHR_EVENT_OFF__); |