25bd5d8adb
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
90 lines
3.0 KiB
C++
90 lines
3.0 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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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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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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namespace juce
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{
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static SpinLock deletedAtShutdownLock; // use a spin lock because it can be statically initialised
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static Array<DeletedAtShutdown*>& getDeletedAtShutdownObjects()
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{
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static Array<DeletedAtShutdown*> objects;
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return objects;
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}
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DeletedAtShutdown::DeletedAtShutdown()
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{
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const SpinLock::ScopedLockType sl (deletedAtShutdownLock);
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getDeletedAtShutdownObjects().add (this);
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}
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DeletedAtShutdown::~DeletedAtShutdown()
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{
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const SpinLock::ScopedLockType sl (deletedAtShutdownLock);
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getDeletedAtShutdownObjects().removeFirstMatchingValue (this);
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}
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// Disable unreachable code warning, in case the compiler manages to figure out that
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// you have no classes of DeletedAtShutdown that could throw an exception in their destructor.
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JUCE_BEGIN_IGNORE_WARNINGS_MSVC (4702)
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void DeletedAtShutdown::deleteAll()
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{
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// make a local copy of the array, so it can't get into a loop if something
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// creates another DeletedAtShutdown object during its destructor.
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Array<DeletedAtShutdown*> localCopy;
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{
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const SpinLock::ScopedLockType sl (deletedAtShutdownLock);
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localCopy = getDeletedAtShutdownObjects();
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}
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for (int i = localCopy.size(); --i >= 0;)
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{
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JUCE_TRY
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{
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auto* deletee = localCopy.getUnchecked(i);
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// double-check that it's not already been deleted during another object's destructor.
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{
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const SpinLock::ScopedLockType sl (deletedAtShutdownLock);
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if (! getDeletedAtShutdownObjects().contains (deletee))
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deletee = nullptr;
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}
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delete deletee;
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}
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JUCE_CATCH_EXCEPTION
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}
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// if this fails, then it's likely that some new DeletedAtShutdown objects were
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// created while executing the destructors of the other ones.
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jassert (getDeletedAtShutdownObjects().isEmpty());
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getDeletedAtShutdownObjects().clear(); // just to make sure the array doesn't have any memory still allocated
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}
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JUCE_END_IGNORE_WARNINGS_MSVC
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} // namespace juce
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