/* * Copyright (C) Texas Instruments - http://www.ti.com/ * * 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. */ #include <utils/Errors.h> #include <semaphore.h> #include <stdio.h> #include <stdarg.h> #include <stdlib.h> #include <string.h> #include <unistd.h> namespace android { class Semaphore { public: Semaphore(); ~Semaphore(); //Release semaphore status_t Release(); ///Create the semaphore with initial count value status_t Create(int count=0); ///Wait operation status_t Wait(); ///Signal operation status_t Signal(); ///Current semaphore count int Count(); ///Wait operation with a timeout status_t WaitTimeout(int timeoutMicroSecs); private: sem_t *mSemaphore; }; };