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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 "base/message_pump_libevent.h" | 5 #include "base/message_pump_libevent.h" |
| 6 | 6 |
| 7 #include <errno.h> | 7 #include <errno.h> |
| 8 #include <fcntl.h> | 8 #include <fcntl.h> |
| 9 | 9 |
| 10 #include "base/auto_reset.h" | 10 #include "base/auto_reset.h" |
| 11 #include "base/eintr_wrapper.h" | 11 #include "base/eintr_wrapper.h" |
| 12 #include "base/logging.h" | 12 #include "base/logging.h" |
| 13 #include "base/mac/scoped_nsautorelease_pool.h" |
| 13 #include "base/observer_list.h" | 14 #include "base/observer_list.h" |
| 14 #include "base/scoped_nsautorelease_pool.h" | |
| 15 #include "base/scoped_ptr.h" | 15 #include "base/scoped_ptr.h" |
| 16 #include "base/time.h" | 16 #include "base/time.h" |
| 17 #if defined(USE_SYSTEM_LIBEVENT) | 17 #if defined(USE_SYSTEM_LIBEVENT) |
| 18 #include <event.h> | 18 #include <event.h> |
| 19 #else | 19 #else |
| 20 #include "third_party/libevent/event.h" | 20 #include "third_party/libevent/event.h" |
| 21 #endif | 21 #endif |
| 22 | 22 |
| 23 // Lifecycle of struct event | 23 // Lifecycle of struct event |
| 24 // Libevent uses two main data structures: | 24 // Libevent uses two main data structures: |
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| 258 // Reentrant! | 258 // Reentrant! |
| 259 void MessagePumpLibevent::Run(Delegate* delegate) { | 259 void MessagePumpLibevent::Run(Delegate* delegate) { |
| 260 DCHECK(keep_running_) << "Quit must have been called outside of Run!"; | 260 DCHECK(keep_running_) << "Quit must have been called outside of Run!"; |
| 261 AutoReset<bool> auto_reset_in_run(&in_run_, true); | 261 AutoReset<bool> auto_reset_in_run(&in_run_, true); |
| 262 | 262 |
| 263 // event_base_loopexit() + EVLOOP_ONCE is leaky, see http://crbug.com/25641. | 263 // event_base_loopexit() + EVLOOP_ONCE is leaky, see http://crbug.com/25641. |
| 264 // Instead, make our own timer and reuse it on each call to event_base_loop(). | 264 // Instead, make our own timer and reuse it on each call to event_base_loop(). |
| 265 scoped_ptr<event> timer_event(new event); | 265 scoped_ptr<event> timer_event(new event); |
| 266 | 266 |
| 267 for (;;) { | 267 for (;;) { |
| 268 ScopedNSAutoreleasePool autorelease_pool; | 268 mac::ScopedNSAutoreleasePool autorelease_pool; |
| 269 | 269 |
| 270 bool did_work = delegate->DoWork(); | 270 bool did_work = delegate->DoWork(); |
| 271 if (!keep_running_) | 271 if (!keep_running_) |
| 272 break; | 272 break; |
| 273 | 273 |
| 274 did_work |= delegate->DoDelayedWork(&delayed_work_time_); | 274 did_work |= delegate->DoDelayedWork(&delayed_work_time_); |
| 275 if (!keep_running_) | 275 if (!keep_running_) |
| 276 break; | 276 break; |
| 277 | 277 |
| 278 if (did_work) | 278 if (did_work) |
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| 343 | 343 |
| 344 void MessagePumpLibevent::WillProcessIOEvent() { | 344 void MessagePumpLibevent::WillProcessIOEvent() { |
| 345 FOR_EACH_OBSERVER(IOObserver, io_observers_, WillProcessIOEvent()); | 345 FOR_EACH_OBSERVER(IOObserver, io_observers_, WillProcessIOEvent()); |
| 346 } | 346 } |
| 347 | 347 |
| 348 void MessagePumpLibevent::DidProcessIOEvent() { | 348 void MessagePumpLibevent::DidProcessIOEvent() { |
| 349 FOR_EACH_OBSERVER(IOObserver, io_observers_, DidProcessIOEvent()); | 349 FOR_EACH_OBSERVER(IOObserver, io_observers_, DidProcessIOEvent()); |
| 350 } | 350 } |
| 351 | 351 |
| 352 } // namespace base | 352 } // namespace base |
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