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1 // Copyright 2015 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 #ifndef CHROME_TOOLS_CRASH_SERVICE_CAPS_PROCESS_SINGLETON_WIN_H_ | |
6 #define CHROME_TOOLS_CRASH_SERVICE_CAPS_PROCESS_SINGLETON_WIN_H_ | |
7 | |
8 #include <windows.h> | |
9 | |
10 #include "base/macros.h" | |
11 | |
12 namespace caps { | |
13 // Uses a named mutex to make sure that only one process of | |
14 // with this particular version is launched. | |
15 class ProcessSingleton { | |
16 public: | |
17 ProcessSingleton(); | |
18 ~ProcessSingleton(); | |
19 bool other_instance() const { return mutex_ == NULL; } | |
20 | |
21 private: | |
22 HANDLE mutex_; | |
23 | |
24 DISALLOW_COPY_AND_ASSIGN(ProcessSingleton); | |
25 }; | |
26 | |
27 } // namespace caps | |
28 | |
29 #endif // CHROME_TOOLS_CRASH_SERVICE_CAPS_PROCESS_SINGLETON_WIN_H_ | |
30 | |
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