15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved.
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file.
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Mutex to guarantee serialization of RLZ key accesses.
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef RLZ_WIN_LIB_LIB_MUTEX_H_
85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define RLZ_WIN_LIB_LIB_MUTEX_H_
95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <windows.h>
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace rlz_lib {
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class LibMutex {
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public:
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  LibMutex();
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  ~LibMutex();
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  bool failed(void) { return !acquired_; }
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private:
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  bool acquired_;
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  HANDLE mutex_;
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)};
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace rlz_lib
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif  // RLZ_WIN_LIB_LIB_MUTEX_H_
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