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d76a0775f1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73550 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.3 KiB
PHP
51 lines
1.3 KiB
PHP
//= llvm/System/Win32/Mutex.inc - Win32 Reader/Writer Mutual Exclusion Lock =//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Win32 specific (non-pthread) RWMutex class.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only generic Win32 code that
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//=== is guaranteed to work on *all* Win32 variants.
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//===----------------------------------------------------------------------===//
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#include "Win32.h"
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// FIXME: THIS IS NOT THREAD-SAFE!!
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// Windows does not have reader-writer locks pre-Vista. If you want to have
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// thread-safe LLVM on Windows, for now at least, you need to use a pthreads
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// replacement library.
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namespace llvm {
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using namespace sys;
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RWMutex::RWMutex() { }
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RWMutex::~RWMutex() { }
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bool RWMutex::reader_acquire() {
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return true;
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}
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bool RWMutex::reader_release() {
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return true;
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}
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bool RWMutex::writer_acquire() {
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return true;
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}
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bool RWMutex::writer_release() {
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return true;
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}
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}
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