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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
jln (very slow on Chromium)
2015/06/16 22:59:01
New file, so remove (c) and use 2015
rickyz (no longer on Chrome)
2015/06/17 00:50:34
Done.
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2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "base/logging.h" | |
6 #include "base/process/process_handle.h" | |
jln (very slow on Chromium)
2015/06/16 22:59:01
Don't forget basictypes.h
rickyz (no longer on Chrome)
2015/06/17 00:50:34
Done.
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7 | |
8 namespace base { | |
9 | |
10 namespace { | |
11 uint32 g_unique_id = kInvalidUniqueId; | |
12 | |
13 #ifndef NDEBUG | |
14 // The process which set g_unique_id. | |
15 uint32 g_procid; | |
16 #endif | |
17 } // namespace | |
18 | |
19 uint32 GetUniqueIdForProcess() { | |
20 if (g_unique_id == kInvalidUniqueId) { | |
21 return static_cast<uint32>(GetCurrentProcId()); | |
22 } | |
23 | |
24 #ifndef NDEBUG | |
25 // Make sure we are the same process that set g_procid. This check may have | |
26 // false negatives (if a process ID was reused) but should have no false | |
27 // positives. | |
28 DCHECK_EQ(static_cast<uint32>(GetCurrentProcId()), g_procid); | |
29 #endif | |
30 return g_unique_id; | |
31 } | |
32 | |
33 void SetUniqueIdForProcess(uint32 unique_id) { | |
34 g_unique_id = unique_id; | |
35 #ifndef NDEBUG | |
36 g_procid = static_cast<uint32>(GetCurrentProcId()); | |
37 #endif | |
38 } | |
39 | |
40 } // namespace base | |
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