81 lines
2.1 KiB
C++
Executable File
81 lines
2.1 KiB
C++
Executable File
/*
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* Copyright (C) 2013-2017 Intel Corporation
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* Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
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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 CAMERA3_HAL_IMESSAGETHREAD_H_
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#define CAMERA3_HAL_IMESSAGETHREAD_H_
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#include <utils/Errors.h>
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#include <pthread.h>
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#include <string>
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#include <sys/prctl.h>
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#include <string.h>
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#include "log/log.h"
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#define PRIORITY_CAMERA (8)
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namespace android {
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/* Abstraction of MessageThread */
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class IMessageHandler
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{
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public:
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virtual ~IMessageHandler() { };
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virtual void messageThreadLoop(void) = 0;
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};
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typedef void* (*rt_thread_func_t)(void*);
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struct thread_data_t {
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rt_thread_func_t entryFunction;
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void* userData;
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std::string threadName;
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// set thread name with prctl.
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static void trampoline(const thread_data_t* t);
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};
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class MessageThread {
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public:
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MessageThread(IMessageHandler* runner, const char* name,
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int priority = PRIORITY_CAMERA);
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virtual ~MessageThread();
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// Start the thread in threadLoop() which needs to be implemented.
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status_t run();
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// Call requestExit() and wait until this object's thread exits.
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status_t requestExitAndWait();
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private:
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// prevent copy constructor and assignment operator
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MessageThread(const MessageThread& other);
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MessageThread& operator=(const MessageThread& other);
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static void* threadLoop(void* This) {
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((MessageThread *)This)->mRunner->messageThreadLoop();
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return nullptr;
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};
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IMessageHandler* mRunner;
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std::string mName;
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int mPriority;
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pthread_t mThreadId;
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};
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}
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#endif /* CAMERA3_HAL_IMESSAGETHREAD_H_ */
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