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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "mojo/shell/child_process_host.h" | 5 #include "shell/child_process_host.h" |
6 | 6 |
7 #include "base/base_switches.h" | 7 #include "base/base_switches.h" |
8 #include "base/bind.h" | 8 #include "base/bind.h" |
9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
10 #include "base/location.h" | 10 #include "base/location.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/process/kill.h" | 13 #include "base/process/kill.h" |
14 #include "base/process/launch.h" | 14 #include "base/process/launch.h" |
15 #include "base/strings/string_number_conversions.h" | 15 #include "base/strings/string_number_conversions.h" |
16 #include "base/task_runner.h" | 16 #include "base/task_runner.h" |
17 #include "base/task_runner_util.h" | 17 #include "base/task_runner_util.h" |
18 #include "mojo/shell/context.h" | 18 #include "shell/context.h" |
19 #include "mojo/shell/switches.h" | 19 #include "shell/switches.h" |
20 | 20 |
21 namespace mojo { | 21 namespace mojo { |
22 namespace shell { | 22 namespace shell { |
23 | 23 |
24 ChildProcessHost::ChildProcessHost(Context* context, | 24 ChildProcessHost::ChildProcessHost(Context* context, |
25 Delegate* delegate, | 25 Delegate* delegate, |
26 ChildProcess::Type type) | 26 ChildProcess::Type type) |
27 : context_(context), | 27 : context_(context), |
28 delegate_(delegate), | 28 delegate_(delegate), |
29 type_(type), | 29 type_(type), |
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40 child_process_handle_ = base::kNullProcessHandle; | 40 child_process_handle_ = base::kNullProcessHandle; |
41 } | 41 } |
42 } | 42 } |
43 | 43 |
44 void ChildProcessHost::Start() { | 44 void ChildProcessHost::Start() { |
45 DCHECK_EQ(child_process_handle_, base::kNullProcessHandle); | 45 DCHECK_EQ(child_process_handle_, base::kNullProcessHandle); |
46 | 46 |
47 delegate_->WillStart(); | 47 delegate_->WillStart(); |
48 | 48 |
49 CHECK(base::PostTaskAndReplyWithResult( | 49 CHECK(base::PostTaskAndReplyWithResult( |
50 context_->task_runners()->blocking_pool(), | 50 context_->task_runners()->blocking_pool(), FROM_HERE, |
51 FROM_HERE, | |
52 base::Bind(&ChildProcessHost::DoLaunch, base::Unretained(this)), | 51 base::Bind(&ChildProcessHost::DoLaunch, base::Unretained(this)), |
53 base::Bind(&ChildProcessHost::DidLaunch, base::Unretained(this)))); | 52 base::Bind(&ChildProcessHost::DidLaunch, base::Unretained(this)))); |
54 } | 53 } |
55 | 54 |
56 int ChildProcessHost::Join() { | 55 int ChildProcessHost::Join() { |
57 DCHECK_NE(child_process_handle_, base::kNullProcessHandle); | 56 DCHECK_NE(child_process_handle_, base::kNullProcessHandle); |
58 int rv = -1; | 57 int rv = -1; |
59 // Note: |WaitForExitCode()| closes the process handle. | 58 // Note: |WaitForExitCode()| closes the process handle. |
60 LOG_IF(ERROR, !base::WaitForExitCode(child_process_handle_, &rv)) | 59 LOG_IF(ERROR, !base::WaitForExitCode(child_process_handle_, &rv)) |
61 << "Failed to wait for child process"; | 60 << "Failed to wait for child process"; |
62 child_process_handle_ = base::kNullProcessHandle; | 61 child_process_handle_ = base::kNullProcessHandle; |
63 return rv; | 62 return rv; |
64 } | 63 } |
65 | 64 |
66 bool ChildProcessHost::DoLaunch() { | 65 bool ChildProcessHost::DoLaunch() { |
67 static const char* kForwardSwitches[] = { | 66 static const char* kForwardSwitches[] = { |
68 switches::kTraceToConsole, | 67 switches::kTraceToConsole, switches::kV, switches::kVModule, |
69 switches::kV, | |
70 switches::kVModule, | |
71 }; | 68 }; |
72 | 69 |
73 const base::CommandLine* parent_command_line = | 70 const base::CommandLine* parent_command_line = |
74 base::CommandLine::ForCurrentProcess(); | 71 base::CommandLine::ForCurrentProcess(); |
75 base::CommandLine child_command_line(parent_command_line->GetProgram()); | 72 base::CommandLine child_command_line(parent_command_line->GetProgram()); |
76 child_command_line.CopySwitchesFrom(*parent_command_line, kForwardSwitches, | 73 child_command_line.CopySwitchesFrom(*parent_command_line, kForwardSwitches, |
77 arraysize(kForwardSwitches)); | 74 arraysize(kForwardSwitches)); |
78 child_command_line.AppendSwitchASCII( | 75 child_command_line.AppendSwitchASCII( |
79 switches::kChildProcessType, base::IntToString(static_cast<int>(type_))); | 76 switches::kChildProcessType, base::IntToString(static_cast<int>(type_))); |
80 | 77 |
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96 platform_channel_pair_.ChildProcessLaunched(); | 93 platform_channel_pair_.ChildProcessLaunched(); |
97 return true; | 94 return true; |
98 } | 95 } |
99 | 96 |
100 void ChildProcessHost::DidLaunch(bool success) { | 97 void ChildProcessHost::DidLaunch(bool success) { |
101 delegate_->DidStart(success); | 98 delegate_->DidStart(success); |
102 } | 99 } |
103 | 100 |
104 } // namespace shell | 101 } // namespace shell |
105 } // namespace mojo | 102 } // namespace mojo |
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