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Issue 14335017: content: Use base::MessageLoop. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase Created 7 years, 7 months ago
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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 "content/common/child_process.h" 5 #include "content/common/child_process.h"
6 6
7 #if defined(OS_POSIX) && !defined(OS_ANDROID) 7 #if defined(OS_POSIX) && !defined(OS_ANDROID)
8 #include <signal.h> // For SigUSR1Handler below. 8 #include <signal.h> // For SigUSR1Handler below.
9 #endif 9 #endif
10 10
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44 : ref_count_(0), 44 : ref_count_(0),
45 shutdown_event_(true, false), 45 shutdown_event_(true, false),
46 io_thread_("Chrome_ChildIOThread") { 46 io_thread_("Chrome_ChildIOThread") {
47 DCHECK(!child_process_); 47 DCHECK(!child_process_);
48 child_process_ = this; 48 child_process_ = this;
49 49
50 base::StatisticsRecorder::Initialize(); 50 base::StatisticsRecorder::Initialize();
51 51
52 // We can't recover from failing to start the IO thread. 52 // We can't recover from failing to start the IO thread.
53 CHECK(io_thread_.StartWithOptions( 53 CHECK(io_thread_.StartWithOptions(
54 base::Thread::Options(MessageLoop::TYPE_IO, 0))); 54 base::Thread::Options(base::MessageLoop::TYPE_IO, 0)));
55 55
56 #if defined(OS_ANDROID) 56 #if defined(OS_ANDROID)
57 // TODO(epenner): Move thread priorities to base. (crbug.com/170549) 57 // TODO(epenner): Move thread priorities to base. (crbug.com/170549)
58 io_thread_.message_loop()->PostTask(FROM_HERE, 58 io_thread_.message_loop()->PostTask(FROM_HERE,
59 base::Bind(&SetHighThreadPriority)); 59 base::Bind(&SetHighThreadPriority));
60 #endif 60 #endif
61 } 61 }
62 62
63 ChildProcess::~ChildProcess() { 63 ChildProcess::~ChildProcess() {
64 DCHECK(child_process_ == this); 64 DCHECK(child_process_ == this);
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82 ChildThread* ChildProcess::main_thread() { 82 ChildThread* ChildProcess::main_thread() {
83 return main_thread_.get(); 83 return main_thread_.get();
84 } 84 }
85 85
86 void ChildProcess::set_main_thread(ChildThread* thread) { 86 void ChildProcess::set_main_thread(ChildThread* thread) {
87 main_thread_.reset(thread); 87 main_thread_.reset(thread);
88 } 88 }
89 89
90 void ChildProcess::AddRefProcess() { 90 void ChildProcess::AddRefProcess() {
91 DCHECK(!main_thread_.get() || // null in unittests. 91 DCHECK(!main_thread_.get() || // null in unittests.
92 MessageLoop::current() == main_thread_->message_loop()); 92 base::MessageLoop::current() == main_thread_->message_loop());
93 ref_count_++; 93 ref_count_++;
94 } 94 }
95 95
96 void ChildProcess::ReleaseProcess() { 96 void ChildProcess::ReleaseProcess() {
97 DCHECK(!main_thread_.get() || // null in unittests. 97 DCHECK(!main_thread_.get() || // null in unittests.
98 MessageLoop::current() == main_thread_->message_loop()); 98 base::MessageLoop::current() == main_thread_->message_loop());
99 DCHECK(ref_count_); 99 DCHECK(ref_count_);
100 DCHECK(child_process_); 100 DCHECK(child_process_);
101 if (--ref_count_) 101 if (--ref_count_)
102 return; 102 return;
103 103
104 if (main_thread_) // null in unittests. 104 if (main_thread_) // null in unittests.
105 main_thread_->OnProcessFinalRelease(); 105 main_thread_->OnProcessFinalRelease();
106 } 106 }
107 107
108 base::WaitableEvent* ChildProcess::GetShutDownEvent() { 108 base::WaitableEvent* ChildProcess::GetShutDownEvent() {
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143 memset(&sa, 0, sizeof(sa)); 143 memset(&sa, 0, sizeof(sa));
144 sa.sa_handler = SigUSR1Handler; 144 sa.sa_handler = SigUSR1Handler;
145 sigaction(SIGUSR1, &sa, NULL); 145 sigaction(SIGUSR1, &sa, NULL);
146 146
147 pause(); 147 pause();
148 #endif // defined(OS_ANDROID) 148 #endif // defined(OS_ANDROID)
149 #endif // defined(OS_POSIX) 149 #endif // defined(OS_POSIX)
150 } 150 }
151 151
152 } // namespace content 152 } // namespace content
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