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79 lines
1.7 KiB
79 lines
1.7 KiB
/* |
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* Copyright (C) 2010 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef TESTHELPERS_H |
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#define TESTHELPERS_H |
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#include <utils/threads.h> |
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namespace android { |
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class Pipe { |
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public: |
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int sendFd; |
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int receiveFd; |
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Pipe() { |
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int fds[2]; |
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::pipe(fds); |
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receiveFd = fds[0]; |
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sendFd = fds[1]; |
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} |
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~Pipe() { |
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if (sendFd != -1) { |
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::close(sendFd); |
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} |
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if (receiveFd != -1) { |
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::close(receiveFd); |
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} |
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} |
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status_t writeSignal() { |
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ssize_t nWritten = ::write(sendFd, "*", 1); |
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return nWritten == 1 ? 0 : -errno; |
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} |
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status_t readSignal() { |
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char buf[1]; |
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ssize_t nRead = ::read(receiveFd, buf, 1); |
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return nRead == 1 ? 0 : nRead == 0 ? -EPIPE : -errno; |
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} |
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}; |
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class DelayedTask : public Thread { |
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int mDelayMillis; |
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public: |
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explicit DelayedTask(int delayMillis) : mDelayMillis(delayMillis) { } |
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protected: |
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virtual ~DelayedTask() { } |
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virtual void doTask() = 0; |
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virtual bool threadLoop() { |
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usleep(mDelayMillis * 1000); |
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doTask(); |
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return false; |
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} |
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}; |
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} // namespace android |
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#endif // TESTHELPERS_H
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