1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_RS_SIGNAL_H 18 #define ANDROID_RS_SIGNAL_H 19 20 21 #include "rsUtils.h" 22 23 namespace android { 24 namespace renderscript { 25 26 class Signal { 27 public: 28 Signal(); 29 ~Signal(); 30 31 bool init(); 32 33 void set(); 34 35 // returns true if the signal occured 36 // false for timeout 37 bool wait(uint64_t timeout = 0); 38 39 protected: 40 bool mSet; 41 pthread_mutex_t mMutex; 42 pthread_cond_t mCondition; 43 }; 44 45 } 46 } 47 48 #endif 49 50