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- /*
- * Copyright 2017-present Facebook, Inc.
- *
- * 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.
- */
- #pragma once
- #ifndef _WIN32
- #include <semaphore.h>
- #else
- #include <limits.h>
- #define SEM_VALUE_MAX INT_MAX
- namespace folly::portability::semaphore {
- using sem_t = struct sem_t_*;
- int sem_init(sem_t* s, int shared, unsigned int value);
- int sem_destroy(sem_t* s);
- int sem_post(sem_t* s);
- int sem_trywait(sem_t* s);
- int sem_wait(sem_t* s);
- } // namespace folly::portability::semaphore
- /* using override */ using namespace folly::portability::semaphore;
- #endif
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