Thu, 15 Jan 2015 21:03:48 +0100
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
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_