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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 "base/message_loop/message_pump_libevent.h" | 5 #include "base/message_loop/message_pump_libevent.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <unistd.h> | 8 #include <unistd.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
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283 void MessagePumpLibevent::ScheduleDelayedWork( | 283 void MessagePumpLibevent::ScheduleDelayedWork( |
284 const TimeTicks& delayed_work_time) { | 284 const TimeTicks& delayed_work_time) { |
285 // We know that we can't be blocked on Wait right now since this method can | 285 // We know that we can't be blocked on Wait right now since this method can |
286 // only be called on the same thread as Run, so we only need to update our | 286 // only be called on the same thread as Run, so we only need to update our |
287 // record of how long to sleep when we do sleep. | 287 // record of how long to sleep when we do sleep. |
288 delayed_work_time_ = delayed_work_time; | 288 delayed_work_time_ = delayed_work_time; |
289 } | 289 } |
290 | 290 |
291 bool MessagePumpLibevent::Init() { | 291 bool MessagePumpLibevent::Init() { |
292 int fds[2]; | 292 int fds[2]; |
293 if (pipe(fds)) { | 293 if (!CreateLocalNonBlockingPipe(fds)) { |
294 DLOG(ERROR) << "pipe() failed, errno: " << errno; | 294 DPLOG(ERROR) << "pipe creation failed"; |
295 return false; | |
296 } | |
297 if (!SetNonBlocking(fds[0])) { | |
298 DLOG(ERROR) << "SetNonBlocking for pipe fd[0] failed, errno: " << errno; | |
299 return false; | |
300 } | |
301 if (!SetNonBlocking(fds[1])) { | |
302 DLOG(ERROR) << "SetNonBlocking for pipe fd[1] failed, errno: " << errno; | |
303 return false; | 295 return false; |
304 } | 296 } |
305 wakeup_pipe_out_ = fds[0]; | 297 wakeup_pipe_out_ = fds[0]; |
306 wakeup_pipe_in_ = fds[1]; | 298 wakeup_pipe_in_ = fds[1]; |
307 | 299 |
308 wakeup_event_ = new event; | 300 wakeup_event_ = new event; |
309 event_set(wakeup_event_, wakeup_pipe_out_, EV_READ | EV_PERSIST, | 301 event_set(wakeup_event_, wakeup_pipe_out_, EV_READ | EV_PERSIST, |
310 OnWakeup, this); | 302 OnWakeup, this); |
311 event_base_set(event_base_, wakeup_event_); | 303 event_base_set(event_base_, wakeup_event_); |
312 | 304 |
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354 // Remove and discard the wakeup byte. | 346 // Remove and discard the wakeup byte. |
355 char buf; | 347 char buf; |
356 int nread = HANDLE_EINTR(read(socket, &buf, 1)); | 348 int nread = HANDLE_EINTR(read(socket, &buf, 1)); |
357 DCHECK_EQ(nread, 1); | 349 DCHECK_EQ(nread, 1); |
358 that->processed_io_events_ = true; | 350 that->processed_io_events_ = true; |
359 // Tell libevent to break out of inner loop. | 351 // Tell libevent to break out of inner loop. |
360 event_base_loopbreak(that->event_base_); | 352 event_base_loopbreak(that->event_base_); |
361 } | 353 } |
362 | 354 |
363 } // namespace base | 355 } // namespace base |
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