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25 lines
831 B
C++
25 lines
831 B
C++
//===--- ThreadSafeRefCntPtr.cpp ------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "SourceKit/Support/ThreadSafeRefCntPtr.h"
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#include <functional>
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using namespace SourceKit;
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using llvm::sys::Mutex;
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static const size_t MtxCount = 16;
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static Mutex Mtxs[MtxCount];
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Mutex *ThreadSafeRefCntPtrImpl::getMutex(void *Ptr) {
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return Mtxs + (std::hash<const void*>()(Ptr) & (MtxCount-1));
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}
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