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
23namespace android {
24namespace renderscript {
25
26
27class FifoSocket {
28public:
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
43    int getWriteFd() {return sv[0];}
44    int getReadFd() {return sv[1];}
45
46protected:
47    int sv[2];
48    bool mShutdown;
49};
50
51} // namespace renderscript
52} // namespace android
53
54#endif
55