| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #ifndef TESTHELPERS_H |
| #define TESTHELPERS_H |
| |
| #include <unistd.h> |
| |
| #include <utils/threads.h> |
| |
| namespace android { |
| |
| class Pipe { |
| public: |
| int sendFd; |
| int receiveFd; |
| |
| Pipe() { |
| int fds[2]; |
| ::pipe(fds); |
| |
| receiveFd = fds[0]; |
| sendFd = fds[1]; |
| } |
| |
| ~Pipe() { |
| if (sendFd != -1) { |
| ::close(sendFd); |
| } |
| |
| if (receiveFd != -1) { |
| ::close(receiveFd); |
| } |
| } |
| |
| status_t writeSignal() { |
| ssize_t nWritten = ::write(sendFd, "*", 1); |
| return nWritten == 1 ? 0 : -errno; |
| } |
| |
| status_t readSignal() { |
| char buf[1]; |
| ssize_t nRead = ::read(receiveFd, buf, 1); |
| return nRead == 1 ? 0 : nRead == 0 ? -EPIPE : -errno; |
| } |
| }; |
| |
| class DelayedTask : public Thread { |
| int mDelayMillis; |
| |
| public: |
| DelayedTask(int delayMillis) : mDelayMillis(delayMillis) { } |
| |
| protected: |
| virtual ~DelayedTask() { } |
| |
| virtual void doTask() = 0; |
| |
| virtual bool threadLoop() { |
| usleep(mDelayMillis * 1000); |
| doTask(); |
| return false; |
| } |
| }; |
| |
| } // namespace android |
| |
| #endif // TESTHELPERS_H |