diff options
Diffstat (limited to 'erts/include/internal/ose/ethr_event.h')
-rw-r--r-- | erts/include/internal/ose/ethr_event.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/erts/include/internal/ose/ethr_event.h b/erts/include/internal/ose/ethr_event.h deleted file mode 100644 index c18f30aa4a..0000000000 --- a/erts/include/internal/ose/ethr_event.h +++ /dev/null @@ -1,114 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2009-2011. All Rights Reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * %CopyrightEnd% - */ - -/* - * Author: Rickard Green - */ - -//#define USE_PTHREAD_API - -#define ETHR_EVENT_OFF_WAITER__ -1L -#define ETHR_EVENT_OFF__ 1L -#define ETHR_EVENT_ON__ 0L - -#ifdef USE_PTHREAD_API - -typedef struct { - ethr_atomic32_t state; - pthread_mutex_t mtx; - pthread_cond_t cnd; -} ethr_event; - -#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__) - -static void ETHR_INLINE -ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e) -{ - ethr_sint32_t val; - 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) - ETHR_FATAL_ERROR__(res); - res = pthread_cond_signal(&e->cnd); - if (res != 0) - ETHR_FATAL_ERROR__(res); - res = pthread_mutex_unlock(&e->mtx); - if (res != 0) - ETHR_FATAL_ERROR__(res); - } -} - -static void ETHR_INLINE -ETHR_INLINE_FUNC_NAME_(ethr_event_reset)(ethr_event *e) -{ - ethr_atomic32_set(&e->state, ETHR_EVENT_OFF__); - ETHR_MEMORY_BARRIER; -} - -#endif - -#else - -typedef struct { - ethr_atomic32_t state; - PROCESS proc; -} ethr_event; - -#if defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__) - -static void ETHR_INLINE -ETHR_INLINE_FUNC_NAME_(ethr_event_set)(ethr_event *e) -{ - ethr_sint32_t val = ethr_atomic32_xchg_mb(&e->state, ETHR_EVENT_ON__); - if (val == ETHR_EVENT_OFF_WAITER__) { -#ifdef DEBUG - OSFSEMVAL fsem_val = get_fsem(e->proc); - - /* There is a race in this assert. - This is because the state is set before the wait call in wait__. - We hope that a delay of 10 ms is enough */ - if (fsem_val == 0) - delay(10); - ETHR_ASSERT(get_fsem(e->proc) == -1); -#endif - signal_fsem(e->proc); - } -} - -static void ETHR_INLINE -ETHR_INLINE_FUNC_NAME_(ethr_event_reset)(ethr_event *e) -{ - ethr_atomic32_set(&e->state, ETHR_EVENT_OFF__); - ETHR_MEMORY_BARRIER; -} - -#endif - -#endif - -int ethr_event_init(ethr_event *e); -int ethr_event_destroy(ethr_event *e); -int ethr_event_wait(ethr_event *e); -int ethr_event_swait(ethr_event *e, int spincount); -#if !defined(ETHR_TRY_INLINE_FUNCS) || defined(ETHR_EVENT_IMPL__) -void ethr_event_set(ethr_event *e); -void ethr_event_reset(ethr_event *e); -#endif |