1 /* 2 * Copyright (C) 2011 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_FIFO_SOCKET_H 18 #define ANDROID_RS_FIFO_SOCKET_H 19 20 21 #include "rsFifo.h" 22 23 namespace android { 24 namespace renderscript { 25 26 27 class FifoSocket { 28 public: 29 FifoSocket(); 30 virtual ~FifoSocket(); 31 32 bool init(bool supportNonBlocking = true, 33 bool supportReturnValues = true, 34 size_t maxDataSize = 0); 35 void shutdown(); 36 37 bool writeAsync(const void *data, size_t bytes, bool waitForSpace = true); 38 void writeWaitReturn(void *ret, size_t retSize); 39 size_t read(void *data, size_t bytes); 40 void readReturn(const void *data, size_t bytes); 41 bool isEmpty(); 42 getWriteFd()43 int getWriteFd() {return sv[0];} getReadFd()44 int getReadFd() {return sv[1];} 45 46 protected: 47 int sv[2]; 48 bool mShutdown; 49 }; 50 51 } // namespace renderscript 52 } // namespace android 53 54 #endif 55