The Tor Browser / file comparison
comparison: ipc/chromium/src/chrome/common/child_process.cc
ipc/chromium/src/chrome/common/child_process.cc
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
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| -1:000000000000 | 0:1b729bb5d35c |
|---|---|
| 1 // Copyright (c) 2006-2008 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 "chrome/common/child_process.h" | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 #include "base/string_util.h" | |
| 9 #include "chrome/common/child_thread.h" | |
| 10 | |
| 11 ChildProcess* ChildProcess::child_process_; | |
| 12 | |
| 13 ChildProcess::ChildProcess(ChildThread* child_thread) | |
| 14 : child_thread_(child_thread), | |
| 15 ref_count_(0), | |
| 16 shutdown_event_(true, false) { | |
| 17 DCHECK(!child_process_); | |
| 18 child_process_ = this; | |
| 19 if (child_thread_.get()) // null in unittests. | |
| 20 child_thread_->Run(); | |
| 21 } | |
| 22 | |
| 23 ChildProcess::~ChildProcess() { | |
| 24 DCHECK(child_process_ == this); | |
| 25 | |
| 26 // Signal this event before destroying the child process. That way all | |
| 27 // background threads can cleanup. | |
| 28 // For example, in the renderer the RenderThread instances will be able to | |
| 29 // notice shutdown before the render process begins waiting for them to exit. | |
| 30 shutdown_event_.Signal(); | |
| 31 | |
| 32 if (child_thread_.get()) | |
| 33 child_thread_->Stop(); | |
| 34 | |
| 35 child_process_ = NULL; | |
| 36 } | |
| 37 | |
| 38 void ChildProcess::AddRefProcess() { | |
| 39 DCHECK(!child_thread_.get() || // null in unittests. | |
| 40 MessageLoop::current() == child_thread_->message_loop()); | |
| 41 ref_count_++; | |
| 42 } | |
| 43 | |
| 44 void ChildProcess::ReleaseProcess() { | |
| 45 DCHECK(!child_thread_.get() || // null in unittests. | |
| 46 MessageLoop::current() == child_thread_->message_loop()); | |
| 47 DCHECK(ref_count_); | |
| 48 DCHECK(child_process_); | |
| 49 if (--ref_count_) | |
| 50 return; | |
| 51 | |
| 52 if (child_thread_.get()) // null in unittests. | |
| 53 child_thread_->OnProcessFinalRelease(); | |
| 54 } | |
| 55 | |
| 56 base::WaitableEvent* ChildProcess::GetShutDownEvent() { | |
| 57 DCHECK(child_process_); | |
| 58 return &child_process_->shutdown_event_; | |
| 59 } |
