| //===- llvm/Support/Win32/Mutex.inc - Win32 Mutex Implementation -*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the Win32 specific (non-pthread) Mutex class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| //=== WARNING: Implementation here must contain only generic Win32 code that |
| //=== is guaranteed to work on *all* Win32 variants. |
| //===----------------------------------------------------------------------===// |
| |
| #include "WindowsSupport.h" |
| #include "llvm/Support/Mutex.h" |
| |
| namespace llvm { |
| |
| sys::MutexImpl::MutexImpl(bool /*recursive*/) |
| { |
| data_ = new CRITICAL_SECTION; |
| InitializeCriticalSection((LPCRITICAL_SECTION)data_); |
| } |
| |
| sys::MutexImpl::~MutexImpl() |
| { |
| DeleteCriticalSection((LPCRITICAL_SECTION)data_); |
| delete (LPCRITICAL_SECTION)data_; |
| data_ = 0; |
| } |
| |
| bool |
| sys::MutexImpl::acquire() |
| { |
| EnterCriticalSection((LPCRITICAL_SECTION)data_); |
| return true; |
| } |
| |
| bool |
| sys::MutexImpl::release() |
| { |
| LeaveCriticalSection((LPCRITICAL_SECTION)data_); |
| return true; |
| } |
| |
| bool |
| sys::MutexImpl::tryacquire() |
| { |
| return TryEnterCriticalSection((LPCRITICAL_SECTION)data_); |
| } |
| |
| } |