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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/browser/mach_broker_mac.h" | 5 #include "content/browser/mach_broker_mac.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/bind_helpers.h" | 8 #include "base/bind_helpers.h" |
9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "base/mac/foundation_util.h" | 11 #include "base/mac/foundation_util.h" |
12 #include "base/mach_ipc_mac.h" | 12 #include "base/mach_ipc_mac.h" |
13 #include "base/string_util.h" | 13 #include "base/string_util.h" |
14 #include "base/stringprintf.h" | 14 #include "base/stringprintf.h" |
15 #include "base/sys_string_conversions.h" | 15 #include "base/sys_string_conversions.h" |
16 #include "base/threading/platform_thread.h" | 16 #include "base/threading/platform_thread.h" |
17 #include "content/browser/renderer_host/render_process_host_impl.h" | 17 #include "content/browser/renderer_host/render_process_host_impl.h" |
18 #include "content/public/browser/child_process_data.h" | 18 #include "content/public/browser/child_process_data.h" |
19 #include "content/public/browser/browser_thread.h" | 19 #include "content/public/browser/browser_thread.h" |
20 #include "content/public/browser/notification_service.h" | 20 #include "content/public/browser/notification_service.h" |
21 #include "content/public/browser/notification_types.h" | 21 #include "content/public/browser/notification_types.h" |
22 #include "content/public/common/content_switches.h" | 22 #include "content/public/common/content_switches.h" |
23 | 23 |
24 using content::BrowserThread; | 24 namespace content { |
25 | 25 |
26 namespace { | 26 namespace { |
| 27 |
27 // Prints a string representation of a Mach error code. | 28 // Prints a string representation of a Mach error code. |
28 std::string MachErrorCode(kern_return_t err) { | 29 std::string MachErrorCode(kern_return_t err) { |
29 return base::StringPrintf("0x%x %s", err, mach_error_string(err)); | 30 return base::StringPrintf("0x%x %s", err, mach_error_string(err)); |
30 } | 31 } |
| 32 |
31 } // namespace | 33 } // namespace |
32 | 34 |
33 class MachListenerThreadDelegate : public base::PlatformThread::Delegate { | 35 class MachListenerThreadDelegate : public base::PlatformThread::Delegate { |
34 public: | 36 public: |
35 MachListenerThreadDelegate(MachBroker* broker) : broker_(broker) { | 37 MachListenerThreadDelegate(MachBroker* broker) : broker_(broker) { |
36 DCHECK(broker_); | 38 DCHECK(broker_); |
37 std::string port_name = MachBroker::GetMachPortName(); | 39 std::string port_name = MachBroker::GetMachPortName(); |
38 | 40 |
39 // Create the receive port in the constructor, not in ThreadMain(). It is | 41 // Create the receive port in the constructor, not in ThreadMain(). It is |
40 // important to create and register the receive port before starting the | 42 // important to create and register the receive port before starting the |
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166 // Returns the mach task belonging to |pid|. | 168 // Returns the mach task belonging to |pid|. |
167 mach_port_t MachBroker::TaskForPid(base::ProcessHandle pid) const { | 169 mach_port_t MachBroker::TaskForPid(base::ProcessHandle pid) const { |
168 base::AutoLock lock(lock_); | 170 base::AutoLock lock(lock_); |
169 MachBroker::MachMap::const_iterator it = mach_map_.find(pid); | 171 MachBroker::MachMap::const_iterator it = mach_map_.find(pid); |
170 if (it == mach_map_.end()) | 172 if (it == mach_map_.end()) |
171 return MACH_PORT_NULL; | 173 return MACH_PORT_NULL; |
172 return it->second.mach_task_; | 174 return it->second.mach_task_; |
173 } | 175 } |
174 | 176 |
175 void MachBroker::Observe(int type, | 177 void MachBroker::Observe(int type, |
176 const content::NotificationSource& source, | 178 const NotificationSource& source, |
177 const content::NotificationDetails& details) { | 179 const NotificationDetails& details) { |
178 // TODO(rohitrao): These notifications do not always carry the proper PIDs, | 180 // TODO(rohitrao): These notifications do not always carry the proper PIDs, |
179 // especially when the renderer is already gone or has crashed. Find a better | 181 // especially when the renderer is already gone or has crashed. Find a better |
180 // way to listen for child process deaths. http://crbug.com/55734 | 182 // way to listen for child process deaths. http://crbug.com/55734 |
181 base::ProcessHandle handle = 0; | 183 base::ProcessHandle handle = 0; |
182 switch (type) { | 184 switch (type) { |
183 case content::NOTIFICATION_RENDERER_PROCESS_CLOSED: | 185 case NOTIFICATION_RENDERER_PROCESS_CLOSED: |
184 handle = | 186 handle = |
185 content::Details<content::RenderProcessHost::RendererClosedDetails>( | 187 Details<RenderProcessHost::RendererClosedDetails>( |
186 details)->handle; | 188 details)->handle; |
187 break; | 189 break; |
188 case content::NOTIFICATION_RENDERER_PROCESS_TERMINATED: | 190 case NOTIFICATION_RENDERER_PROCESS_TERMINATED: |
189 handle = content::Source<content::RenderProcessHost>(source)-> | 191 handle = Source<RenderProcessHost>(source)->GetHandle(); |
190 GetHandle(); | |
191 break; | 192 break; |
192 case content::NOTIFICATION_CHILD_PROCESS_CRASHED: | 193 case NOTIFICATION_CHILD_PROCESS_CRASHED: |
193 case content::NOTIFICATION_CHILD_PROCESS_HOST_DISCONNECTED: | 194 case NOTIFICATION_CHILD_PROCESS_HOST_DISCONNECTED: |
194 handle = content::Details<content::ChildProcessData>(details)->handle; | 195 handle = Details<ChildProcessData>(details)->handle; |
195 break; | 196 break; |
196 default: | 197 default: |
197 NOTREACHED() << "Unexpected notification"; | 198 NOTREACHED() << "Unexpected notification"; |
198 break; | 199 break; |
199 } | 200 } |
200 InvalidatePid(handle); | 201 InvalidatePid(handle); |
201 } | 202 } |
202 | 203 |
203 // static | 204 // static |
204 std::string MachBroker::GetMachPortName() { | 205 std::string MachBroker::GetMachPortName() { |
205 const CommandLine* command_line = CommandLine::ForCurrentProcess(); | 206 const CommandLine* command_line = CommandLine::ForCurrentProcess(); |
206 const bool is_child = command_line->HasSwitch(switches::kProcessType); | 207 const bool is_child = command_line->HasSwitch(switches::kProcessType); |
207 | 208 |
208 // In non-browser (child) processes, use the parent's pid. | 209 // In non-browser (child) processes, use the parent's pid. |
209 const pid_t pid = is_child ? getppid() : getpid(); | 210 const pid_t pid = is_child ? getppid() : getpid(); |
210 return base::StringPrintf("%s.rohitfork.%d", base::mac::BaseBundleID(), pid); | 211 return base::StringPrintf("%s.rohitfork.%d", base::mac::BaseBundleID(), pid); |
211 } | 212 } |
212 | 213 |
213 MachBroker::MachBroker() : listener_thread_started_(false) { | 214 MachBroker::MachBroker() : listener_thread_started_(false) { |
214 } | 215 } |
215 | 216 |
216 MachBroker::~MachBroker() {} | 217 MachBroker::~MachBroker() {} |
217 | 218 |
218 void MachBroker::RegisterNotifications() { | 219 void MachBroker::RegisterNotifications() { |
219 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_CLOSED, | 220 registrar_.Add(this, NOTIFICATION_RENDERER_PROCESS_CLOSED, |
220 content::NotificationService::AllBrowserContextsAndSources()); | 221 NotificationService::AllBrowserContextsAndSources()); |
221 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_TERMINATED, | 222 registrar_.Add(this, NOTIFICATION_RENDERER_PROCESS_TERMINATED, |
222 content::NotificationService::AllBrowserContextsAndSources()); | 223 NotificationService::AllBrowserContextsAndSources()); |
223 registrar_.Add(this, content::NOTIFICATION_CHILD_PROCESS_CRASHED, | 224 registrar_.Add(this, NOTIFICATION_CHILD_PROCESS_CRASHED, |
224 content::NotificationService::AllBrowserContextsAndSources()); | 225 NotificationService::AllBrowserContextsAndSources()); |
225 registrar_.Add(this, content::NOTIFICATION_CHILD_PROCESS_HOST_DISCONNECTED, | 226 registrar_.Add(this, NOTIFICATION_CHILD_PROCESS_HOST_DISCONNECTED, |
226 content::NotificationService::AllBrowserContextsAndSources()); | 227 NotificationService::AllBrowserContextsAndSources()); |
227 } | 228 } |
| 229 |
| 230 } // namespace content |
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