1 //===- llvm/System/Win32/Mutex.inc - Win32 Mutex Implementation -*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the Win32 specific (non-pthread) Mutex class.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 //=== WARNING: Implementation here must contain only generic Win32 code that
16 //=== is guaranteed to work on *all* Win32 variants.
17 //===----------------------------------------------------------------------===//
20 #include "llvm/System/Mutex.h"
25 MutexImpl::MutexImpl(bool /*recursive*/)
27 data_ = new CRITICAL_SECTION;
28 InitializeCriticalSection((LPCRITICAL_SECTION)data_);
31 MutexImpl::~MutexImpl()
33 DeleteCriticalSection((LPCRITICAL_SECTION)data_);
34 delete (LPCRITICAL_SECTION)data_;
41 EnterCriticalSection((LPCRITICAL_SECTION)data_);
48 LeaveCriticalSection((LPCRITICAL_SECTION)data_);
53 MutexImpl::tryacquire()
55 return TryEnterCriticalSection((LPCRITICAL_SECTION)data_);