| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "rlz/win/lib/lib_mutex.h" |
| |
| #include <windows.h> |
| #include "base/win/windows_version.h" |
| |
| namespace { |
| |
| const long kTimeoutMs = 5000L; |
| const wchar_t kMutexName[] = L"{A946A6A9-917E-4949-B9BC-6BADA8C7FD63}"; |
| |
| } // namespace |
| |
| namespace rlz_lib { |
| |
| LibMutex::LibMutex() : acquired_(false), mutex_(NULL) { |
| mutex_ = CreateMutex(NULL, FALSE, kMutexName); |
| if (mutex_) |
| acquired_ = (WAIT_OBJECT_0 == WaitForSingleObject(mutex_, kTimeoutMs)); |
| } |
| |
| LibMutex::~LibMutex() { |
| if (acquired_) |
| ReleaseMutex(mutex_); |
| if (mutex_) |
| CloseHandle(mutex_); |
| } |
| |
| } // namespace rlz_lib |
