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1 // Copyright 2016 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 #include "components/sync/base/scoped_event_signal.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "base/synchronization/waitable_event.h" | |
9 | |
10 namespace syncer { | |
11 | |
12 ScopedEventSignal::ScopedEventSignal(base::WaitableEvent* event) | |
13 : event_(event) { | |
14 DCHECK(event_); | |
15 } | |
16 | |
17 ScopedEventSignal::ScopedEventSignal(ScopedEventSignal&& other) | |
18 : event_(other.event_) { | |
19 other.event_ = nullptr; | |
20 } | |
21 | |
22 ScopedEventSignal& ScopedEventSignal::operator=(ScopedEventSignal&& other) { | |
23 DCHECK(!event_); | |
24 event_ = other.event_; | |
25 other.event_ = nullptr; | |
26 return *this; | |
27 } | |
28 | |
29 ScopedEventSignal::~ScopedEventSignal() { | |
30 if (event_) | |
31 event_->Signal(); | |
32 } | |
33 | |
34 } // namespace syncer | |
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