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Side by Side Diff: mojo/edk/system/simple_dispatcher.cc

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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1 // Copyright 2013 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 "mojo/edk/system/simple_dispatcher.h"
6
7 #include "base/logging.h"
8
9 namespace mojo {
10 namespace system {
11
12 SimpleDispatcher::SimpleDispatcher() {
13 }
14
15 SimpleDispatcher::~SimpleDispatcher() {
16 }
17
18 void SimpleDispatcher::HandleSignalsStateChangedNoLock() {
19 lock().AssertAcquired();
20 awakable_list_.AwakeForStateChange(GetHandleSignalsStateImplNoLock());
21 }
22
23 void SimpleDispatcher::CancelAllAwakablesNoLock() {
24 lock().AssertAcquired();
25 awakable_list_.CancelAll();
26 }
27
28 MojoResult SimpleDispatcher::AddAwakableImplNoLock(
29 Awakable* awakable,
30 MojoHandleSignals signals,
31 uint32_t context,
32 HandleSignalsState* signals_state) {
33 lock().AssertAcquired();
34
35 HandleSignalsState state(GetHandleSignalsStateImplNoLock());
36 if (state.satisfies(signals)) {
37 if (signals_state)
38 *signals_state = state;
39 return MOJO_RESULT_ALREADY_EXISTS;
40 }
41 if (!state.can_satisfy(signals)) {
42 if (signals_state)
43 *signals_state = state;
44 return MOJO_RESULT_FAILED_PRECONDITION;
45 }
46
47 awakable_list_.Add(awakable, signals, context);
48 return MOJO_RESULT_OK;
49 }
50
51 void SimpleDispatcher::RemoveAwakableImplNoLock(
52 Awakable* awakable,
53 HandleSignalsState* signals_state) {
54 lock().AssertAcquired();
55 awakable_list_.Remove(awakable);
56 if (signals_state)
57 *signals_state = GetHandleSignalsStateImplNoLock();
58 }
59
60 } // namespace system
61 } // namespace mojo
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