rsFifoSocket.cpp revision 1a4efa363916977ef9aeab756725b3bdc880a15b
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#include "rsFifoSocket.h" 18#include "utils/Timers.h" 19#include "utils/StopWatch.h" 20 21#include <stdio.h> 22#include <stdlib.h> 23#include <ctype.h> 24#include <unistd.h> 25#include <sys/types.h> 26#include <sys/socket.h> 27 28using namespace android; 29using namespace android::renderscript; 30 31FifoSocket::FifoSocket() { 32 sequence = 1; 33} 34 35FifoSocket::~FifoSocket() { 36 37} 38 39bool FifoSocket::init() { 40 int ret = socketpair(AF_UNIX, SOCK_STREAM, 0, sv); 41 return false; 42} 43 44void FifoSocket::shutdown() { 45} 46 47void FifoSocket::writeAsync(const void *data, size_t bytes) { 48 if (bytes == 0) { 49 return; 50 } 51 //LOGE("writeAsync %p %i", data, bytes); 52 size_t ret = ::send(sv[0], data, bytes, 0); 53 //LOGE("writeAsync ret %i", ret); 54 rsAssert(ret == bytes); 55} 56 57void FifoSocket::writeWaitReturn(void *retData, size_t retBytes) { 58 //LOGE("writeWaitReturn %p %i", retData, retBytes); 59 size_t ret = ::recv(sv[0], retData, retBytes, 0); 60 //LOGE("writeWaitReturn %i", ret); 61 rsAssert(ret == retBytes); 62} 63 64size_t FifoSocket::read(void *data, size_t bytes) { 65 //LOGE("read %p %i", data, bytes); 66 size_t ret = ::recv(sv[1], data, bytes, 0); 67 rsAssert(ret == bytes); 68 //LOGE("read ret %i", ret); 69 return ret; 70} 71 72void FifoSocket::readReturn(const void *data, size_t bytes) { 73 LOGE("readReturn %p %i", data, bytes); 74 size_t ret = ::send(sv[1], data, bytes, 0); 75 LOGE("readReturn %i", ret); 76 rsAssert(ret == bytes); 77} 78 79 80void FifoSocket::flush() { 81} 82 83 84