rlz/win/lib/lib_mutex.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // Mutex to guarantee serialization of RLZ key accesses.
   6
   7 #ifndef RLZ_WIN_LIB_LIB_MUTEX_H_
   8 #define RLZ_WIN_LIB_LIB_MUTEX_H_
   9
  10 #include <windows.h>
  11
  12 namespace rlz_lib {
  13
  14 class LibMutex {
  15  public:
  16   LibMutex();
  17   ~LibMutex();
  18
  19   bool failed(void) { return !acquired_; }
  20
  21  private:
  22   bool acquired_;
  23   HANDLE mutex_;
  24 };
  25
  26 }  // namespace rlz_lib
  27
  28 #endif  // RLZ_WIN_LIB_LIB_MUTEX_H_