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https://github.com/RGBCube/serenity
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6c18b4e558
Introduce a zero sized type to represent a SourceLocation, when we don't want to compile with SourceLocation support.
31 lines
763 B
C++
31 lines
763 B
C++
/*
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* Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#if LOCK_DEBUG
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# include <AK/SourceLocation.h>
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#endif
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// Abstract SourceLocation away from the kernel's locking API to avoid a
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// significant amount of #ifdefs in Mutex / MutexLocker / etc.
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//
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// To do this we declare LockLocation to be a zero sized struct which will
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// get optimized out during normal compilation. When LOCK_DEBUG is enabled,
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// we forward the implementation to AK::SourceLocation and get rich debugging
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// information for every caller.
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namespace Kernel {
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#if LOCK_DEBUG
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using LockLocation = SourceLocation;
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#else
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struct LockLocation {
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static constexpr LockLocation current() { return {}; }
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};
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#endif
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}
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