net/disk_cache/blockfile/file_lock.cc - Issue 121643003: Reorganize net/disk_cache into backend specific directories.

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Side by Side Diff: net/disk_cache/blockfile/file_lock.cc

Issue 121643003: Reorganize net/disk_cache into backend specific directories. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: rebase to upstream Created 6 years, 10 months ago

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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.	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	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #include "net/disk_cache/file_lock.h"	5 #include "net/disk_cache/blockfile/file_lock.h"

6	6

7 #include "base/atomicops.h"	7 #include "base/atomicops.h"

8	8

9 namespace {	9 namespace {

10	10

11 void Barrier() {	11 void Barrier() {

12 #if !defined(COMPILER_MSVC)	12 #if !defined(COMPILER_MSVC)

13 // VS uses memory barrier semantics for volatiles.	13 // VS uses memory barrier semantics for volatiles.

14 base::subtle::MemoryBarrier();	14 base::subtle::MemoryBarrier();

15 #endif	15 #endif

(...skipping 22 matching lines...) Expand all Loading...
38 }	38 }

39	39

40 void FileLock::Unlock() {	40 void FileLock::Unlock() {

41 if (!acquired_)	41 if (!acquired_)

42 return;	42 return;

43 Barrier();	43 Barrier();

44 (*updating_)--;	44 (*updating_)--;

45 }	45 }

46	46

47 } // namespace disk_cache	47 } // namespace disk_cache

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