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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/blockfile/in_flight_io.h" | 5 #include "net/disk_cache/blockfile/in_flight_io.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/location.h" | 8 #include "base/location.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/threading/thread_restrictions.h" | 10 #include "base/threading/thread_restrictions.h" |
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28 controller_ = NULL; | 28 controller_ = NULL; |
29 } | 29 } |
30 | 30 |
31 BackgroundIO::~BackgroundIO() { | 31 BackgroundIO::~BackgroundIO() { |
32 } | 32 } |
33 | 33 |
34 // --------------------------------------------------------------------------- | 34 // --------------------------------------------------------------------------- |
35 | 35 |
36 InFlightIO::InFlightIO() | 36 InFlightIO::InFlightIO() |
37 : callback_thread_(base::MessageLoopProxy::current()), | 37 : callback_thread_(base::MessageLoopProxy::current()), |
38 running_(false), single_thread_(false) { | 38 running_(false), |
| 39 single_thread_(false) { |
39 } | 40 } |
40 | 41 |
41 InFlightIO::~InFlightIO() { | 42 InFlightIO::~InFlightIO() { |
42 } | 43 } |
43 | 44 |
44 // Runs on the background thread. | 45 // Runs on the background thread. |
45 void BackgroundIO::NotifyController() { | 46 void BackgroundIO::NotifyController() { |
46 base::AutoLock lock(controller_lock_); | 47 base::AutoLock lock(controller_lock_); |
47 if (controller_) | 48 if (controller_) |
48 controller_->OnIOComplete(this); | 49 controller_->OnIOComplete(this); |
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68 | 69 |
69 // Runs on a background thread. | 70 // Runs on a background thread. |
70 void InFlightIO::OnIOComplete(BackgroundIO* operation) { | 71 void InFlightIO::OnIOComplete(BackgroundIO* operation) { |
71 #ifndef NDEBUG | 72 #ifndef NDEBUG |
72 if (callback_thread_->BelongsToCurrentThread()) { | 73 if (callback_thread_->BelongsToCurrentThread()) { |
73 DCHECK(single_thread_ || !running_); | 74 DCHECK(single_thread_ || !running_); |
74 single_thread_ = true; | 75 single_thread_ = true; |
75 } | 76 } |
76 #endif | 77 #endif |
77 | 78 |
78 callback_thread_->PostTask(FROM_HERE, | 79 callback_thread_->PostTask( |
79 base::Bind(&BackgroundIO::OnIOSignalled, | 80 FROM_HERE, base::Bind(&BackgroundIO::OnIOSignalled, operation)); |
80 operation)); | |
81 operation->io_completed()->Signal(); | 81 operation->io_completed()->Signal(); |
82 } | 82 } |
83 | 83 |
84 // Runs on the primary thread. | 84 // Runs on the primary thread. |
85 void InFlightIO::InvokeCallback(BackgroundIO* operation, bool cancel_task) { | 85 void InFlightIO::InvokeCallback(BackgroundIO* operation, bool cancel_task) { |
86 { | 86 { |
87 // http://crbug.com/74623 | 87 // http://crbug.com/74623 |
88 base::ThreadRestrictions::ScopedAllowWait allow_wait; | 88 base::ThreadRestrictions::ScopedAllowWait allow_wait; |
89 operation->io_completed()->Wait(); | 89 operation->io_completed()->Wait(); |
90 } | 90 } |
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101 OnOperationComplete(operation, cancel_task); | 101 OnOperationComplete(operation, cancel_task); |
102 } | 102 } |
103 | 103 |
104 // Runs on the primary thread. | 104 // Runs on the primary thread. |
105 void InFlightIO::OnOperationPosted(BackgroundIO* operation) { | 105 void InFlightIO::OnOperationPosted(BackgroundIO* operation) { |
106 DCHECK(callback_thread_->BelongsToCurrentThread()); | 106 DCHECK(callback_thread_->BelongsToCurrentThread()); |
107 io_list_.insert(make_scoped_refptr(operation)); | 107 io_list_.insert(make_scoped_refptr(operation)); |
108 } | 108 } |
109 | 109 |
110 } // namespace disk_cache | 110 } // namespace disk_cache |
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