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| author | Rickard Green <[email protected]> | 2011-10-14 10:45:43 +0200 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2011-10-14 10:45:43 +0200 |
| commit | 55358c54778ead444e51f565d00175ba887ef182 (patch) | |
| tree | 74285e652b470881412ddb181a86f3095caef634 /erts/include/internal/pthread/ethr_event.h | |
| parent | b6dc1a844eab061d0a7153d46e7e68296f15a504 (diff) | |
| parent | 0204e80cba378dfc1140a7f98d96705d470bddde (diff) | |
| download | otp-55358c54778ead444e51f565d00175ba887ef182.tar.gz otp-55358c54778ead444e51f565d00175ba887ef182.tar.bz2 otp-55358c54778ead444e51f565d00175ba887ef182.zip | |
Merge branch 'rickard/atomics-api/OTP-9014' and OTP_R14B04
Conflicts:
erts/aclocal.m4
erts/emulator/beam/erl_db.c
erts/emulator/sys/win32/sys.c
erts/include/internal/ethread_header_config.h.in
Diffstat (limited to 'erts/include/internal/pthread/ethr_event.h')
| -rw-r--r-- | erts/include/internal/pthread/ethr_event.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/erts/include/internal/pthread/ethr_event.h b/erts/include/internal/pthread/ethr_event.h index 4c29b28536..d0a77990cc 100644 --- a/erts/include/internal/pthread/ethr_event.h +++ b/erts/include/internal/pthread/ethr_event.h @@ -21,7 +21,7 @@ * Author: Rickard Green */ -#if defined(ETHR_HAVE_LINUX_FUTEX) && defined(ETHR_HAVE_NATIVE_ATOMICS) +#if defined(ETHR_HAVE_LINUX_FUTEX) && defined(ETHR_HAVE_32BIT_NATIVE_ATOMIC_OPS) /* --- Linux futex implementation of ethread events ------------------------- */ #define ETHR_LINUX_FUTEX_IMPL__ @@ -62,8 +62,7 @@ static void ETHR_INLINE ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e) { ethr_sint32_t val; - ETHR_MEMORY_BARRIER; - val = ethr_atomic32_xchg(&e->futex, ETHR_EVENT_ON__); + val = ethr_atomic32_xchg_mb(&e->futex, ETHR_EVENT_ON__); if (val == ETHR_EVENT_OFF_WAITER__) { int res = ETHR_FUTEX__(&e->futex, ETHR_FUTEX_WAKE__, 1); if (res != 0) @@ -99,8 +98,7 @@ static void ETHR_INLINE ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e) { ethr_sint32_t val; - ETHR_MEMORY_BARRIER; - val = ethr_atomic32_xchg(&e->state, ETHR_EVENT_ON__); + val = ethr_atomic32_xchg_mb(&e->state, ETHR_EVENT_ON__); if (val == ETHR_EVENT_OFF_WAITER__) { int res = pthread_mutex_lock(&e->mtx); if (res != 0) |