ipc/chromium/src/base/atomic_sequence_num.h@a63d609f5ebe
ipc/chromium/src/base/atomic_sequence_num.h
Thu, 15 Jan 2015 15:55:04 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:55:04 +0100
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
- permissions
- -rw-r--r--
Back out 97036ab72558 which inappropriately compared turds to third parties.
1 // Copyright (c) 2006-2008 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.
5 #ifndef BASE_ATOMIC_SEQUENCE_NUM_H_
6 #define BASE_ATOMIC_SEQUENCE_NUM_H_
8 #include "base/atomicops.h"
9 #include "base/basictypes.h"
11 namespace base {
13 class AtomicSequenceNumber {
14 public:
15 AtomicSequenceNumber() : seq_(0) { }
16 explicit AtomicSequenceNumber(base::LinkerInitialized x) { /* seq_ is 0 */ }
18 int GetNext() {
19 return static_cast<int>(
20 base::subtle::NoBarrier_AtomicIncrement(&seq_, 1) - 1);
21 }
23 private:
24 base::subtle::Atomic32 seq_;
25 DISALLOW_COPY_AND_ASSIGN(AtomicSequenceNumber);
26 };
28 } // namespace base
30 #endif // BASE_ATOMIC_SEQUENCE_NUM_H_
