91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
/*
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* Copyright (C) 2008-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <wtf/HashSet.h>
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#include <wtf/RetainPtr.h>
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#include <wtf/ThreadSafeRefCounted.h>
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#include <wtf/text/WTFString.h>
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#if PLATFORM(COCOA)
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OBJC_CLASS NSRunLoop;
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#endif
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namespace WTF {
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class SchedulePair : public ThreadSafeRefCounted<SchedulePair> {
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public:
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static Ref<SchedulePair> create(CFRunLoopRef runLoop, CFStringRef mode) { return adoptRef(*new SchedulePair(runLoop, mode)); }
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#if PLATFORM(COCOA)
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static Ref<SchedulePair> create(NSRunLoop* runLoop, CFStringRef mode) { return adoptRef(*new SchedulePair(runLoop, mode)); }
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NSRunLoop* nsRunLoop() const { return m_nsRunLoop.get(); }
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#endif
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CFRunLoopRef runLoop() const { return m_runLoop.get(); }
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CFStringRef mode() const { return m_mode.get(); }
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WTF_EXPORT_PRIVATE bool operator==(const SchedulePair& other) const;
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private:
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SchedulePair(CFRunLoopRef runLoop, CFStringRef mode)
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: m_runLoop(runLoop)
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{
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if (mode)
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m_mode = adoptCF(CFStringCreateCopy(nullptr, mode));
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}
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#if PLATFORM(COCOA)
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WTF_EXPORT_PRIVATE SchedulePair(NSRunLoop*, CFStringRef);
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RetainPtr<NSRunLoop> m_nsRunLoop;
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#endif
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RetainPtr<CFRunLoopRef> m_runLoop;
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RetainPtr<CFStringRef> m_mode;
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};
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struct SchedulePairHash {
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static unsigned hash(const RefPtr<SchedulePair>& pair)
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{
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uintptr_t hashCodes[2] = { reinterpret_cast<uintptr_t>(pair->runLoop()), pair->mode() ? CFHash(pair->mode()) : 0 };
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return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes);
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}
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static bool equal(const RefPtr<SchedulePair>& a, const RefPtr<SchedulePair>& b) { return a == b; }
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static constexpr bool safeToCompareToEmptyOrDeleted = true;
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};
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typedef HashSet<RefPtr<SchedulePair>, SchedulePairHash> SchedulePairHashSet;
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} // namespace WTF
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using WTF::SchedulePair;
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using WTF::SchedulePairHashSet;
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