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juce_ScopedWriteLock.h
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2022 - 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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//==============================================================================
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class
JUCE_API
ScopedWriteLock
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{
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public
:
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//==============================================================================
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inline
explicit
ScopedWriteLock
(
const
ReadWriteLock
& lock) noexcept : lock_ (lock) { lock.enterWrite(); }
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inline
~ScopedWriteLock
() noexcept { lock_.exitWrite(); }
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private
:
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//==============================================================================
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const
ReadWriteLock
& lock_;
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JUCE_DECLARE_NON_COPYABLE (
ScopedWriteLock
)
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};
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//==============================================================================
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class
JUCE_API
ScopedTryWriteLock
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{
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public
:
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//==============================================================================
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ScopedTryWriteLock
(
ReadWriteLock
& lockIn) noexcept
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:
ScopedTryWriteLock
(lockIn,
true
) {}
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ScopedTryWriteLock
(
ReadWriteLock
& lockIn,
bool
acquireLockOnInitialisation) noexcept
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: lock (lockIn), lockWasSuccessful (acquireLockOnInitialisation && lock.tryEnterWrite()) {}
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~ScopedTryWriteLock
() noexcept {
if
(lockWasSuccessful) lock.exitWrite(); }
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bool
isLocked
() const noexcept {
return
lockWasSuccessful; }
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bool
retryLock
() noexcept {
return
lockWasSuccessful = lock.tryEnterWrite(); }
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private
:
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//==============================================================================
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ReadWriteLock
& lock;
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bool
lockWasSuccessful;
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JUCE_DECLARE_NON_COPYABLE (
ScopedTryWriteLock
)
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};
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}
juce::ReadWriteLock
Definition
juce_ReadWriteLock.h:48
juce::ScopedTryWriteLock
Definition
juce_ScopedWriteLock.h:120
juce::ScopedTryWriteLock::retryLock
bool retryLock() noexcept
Definition
juce_ScopedWriteLock.h:160
juce::ScopedTryWriteLock::ScopedTryWriteLock
ScopedTryWriteLock(ReadWriteLock &lockIn, bool acquireLockOnInitialisation) noexcept
Definition
juce_ScopedWriteLock.h:144
juce::ScopedTryWriteLock::ScopedTryWriteLock
ScopedTryWriteLock(ReadWriteLock &lockIn) noexcept
Definition
juce_ScopedWriteLock.h:131
juce::ScopedTryWriteLock::~ScopedTryWriteLock
~ScopedTryWriteLock() noexcept
Definition
juce_ScopedWriteLock.h:154
juce::ScopedTryWriteLock::isLocked
bool isLocked() const noexcept
Definition
juce_ScopedWriteLock.h:157
juce::ScopedWriteLock
Definition
juce_ScopedWriteLock.h:52
juce::ScopedWriteLock::ScopedWriteLock
ScopedWriteLock(const ReadWriteLock &lock) noexcept
Definition
juce_ScopedWriteLock.h:65
juce::ScopedWriteLock::~ScopedWriteLock
~ScopedWriteLock() noexcept
Definition
juce_ScopedWriteLock.h:74
JuceLibraryCode
modules
juce_core
threads
juce_ScopedWriteLock.h
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