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https://github.com/juce-framework/JUCE.git
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104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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#if JUCE_LINUX || JUCE_BSD
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#include <thread>
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namespace juce
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{
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// Implemented in juce_linux_Messaging.cpp
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bool dispatchNextMessageOnSystemQueue (bool returnIfNoPendingMessages);
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/** @internal */
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class MessageThread
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{
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public:
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MessageThread()
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{
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start();
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}
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~MessageThread()
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{
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MessageManager::getInstance()->stopDispatchLoop();
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stop();
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}
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void start()
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{
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if (isRunning())
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stop();
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shouldExit = false;
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thread = std::thread { [this]
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{
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Thread::setCurrentThreadPriority (7);
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Thread::setCurrentThreadName ("JUCE Plugin Message Thread");
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MessageManager::getInstance()->setCurrentThreadAsMessageThread();
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XWindowSystem::getInstance();
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threadInitialised.signal();
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for (;;)
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{
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if (! dispatchNextMessageOnSystemQueue (true))
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Thread::sleep (1);
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if (shouldExit)
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break;
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}
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} };
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threadInitialised.wait();
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}
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void stop()
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{
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if (! isRunning())
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return;
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shouldExit = true;
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thread.join();
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}
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bool isRunning() const noexcept { return thread.joinable(); }
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private:
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WaitableEvent threadInitialised;
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std::thread thread;
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std::atomic<bool> shouldExit { false };
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JUCE_DECLARE_NON_MOVEABLE (MessageThread)
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MessageThread)
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};
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} // namespace juce
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#endif
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