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1 // Copyright 2015 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 "components/crash/content/browser/crash_dump_observer_android.h" | |
6 | |
7 #include <unistd.h> | |
8 | |
9 #include "base/bind.h" | |
10 #include "base/logging.h" | |
11 #include "base/stl_util.h" | |
12 #include "base/threading/sequenced_worker_pool.h" | |
13 #include "content/public/browser/browser_thread.h" | |
14 #include "content/public/browser/child_process_data.h" | |
15 #include "content/public/browser/notification_service.h" | |
16 #include "content/public/browser/notification_types.h" | |
17 #include "content/public/browser/render_process_host.h" | |
18 | |
19 using content::BrowserThread; | |
20 | |
21 namespace breakpad { | |
22 | |
23 // static | |
24 CrashDumpObserver* CrashDumpObserver::GetInstance() { | |
25 return base::Singleton<CrashDumpObserver>::get(); | |
26 } | |
27 | |
28 CrashDumpObserver::CrashDumpObserver() { | |
29 notification_registrar_.Add(this, | |
30 content::NOTIFICATION_RENDERER_PROCESS_TERMINATED, | |
31 content::NotificationService::AllSources()); | |
32 notification_registrar_.Add(this, | |
33 content::NOTIFICATION_RENDERER_PROCESS_CLOSED, | |
34 content::NotificationService::AllSources()); | |
35 } | |
36 | |
37 CrashDumpObserver::~CrashDumpObserver() {} | |
38 | |
39 void CrashDumpObserver::OnChildExitOnBlockingPool( | |
40 Client* client, | |
41 int child_process_id, | |
42 base::ProcessHandle pid, | |
43 content::ProcessType process_type, | |
44 base::TerminationStatus termination_status, | |
45 base::android::ApplicationState app_state) { | |
46 base::AutoLock auto_lock(registered_clients_lock_); | |
47 // Only call Client::OnChildExit if we haven't been removed in the | |
48 // interim. | |
49 if (ContainsValue(registered_clients_, client)) { | |
50 LOG(WARNING) << "tobiasjs: " << __PRETTY_FUNCTION__ << " not deleted " | |
Bernhard Bauer
2016/08/05 15:43:38
Ahem :)
| |
51 << client; | |
52 client->OnChildExit(child_process_id, pid, process_type, termination_status, | |
53 app_state); | |
54 } | |
55 } | |
56 | |
57 void CrashDumpObserver::OnChildExit(int child_process_id, | |
58 base::ProcessHandle pid, | |
59 content::ProcessType process_type, | |
60 base::TerminationStatus termination_status, | |
61 base::android::ApplicationState app_state) { | |
62 base::AutoLock auto_lock(registered_clients_lock_); | |
63 base::SequencedWorkerPool* pool = BrowserThread::GetBlockingPool(); | |
64 base::SequencedWorkerPool::SequenceToken token = pool->GetSequenceToken(); | |
65 | |
66 for (auto& client : registered_clients_) { | |
67 LOG(WARNING) << "tobiasjs: " << __PRETTY_FUNCTION__ << " " << client; | |
68 pool->PostSequencedWorkerTask( | |
69 token, FROM_HERE, | |
70 base::Bind(&CrashDumpObserver::OnChildExitOnBlockingPool, | |
71 base::Unretained(this), client, child_process_id, pid, | |
72 process_type, termination_status, app_state)); | |
73 } | |
74 } | |
75 | |
76 void CrashDumpObserver::RegisterClient(Client* client) { | |
77 base::AutoLock auto_lock(registered_clients_lock_); | |
78 if (std::find(std::begin(registered_clients_), std::end(registered_clients_), | |
79 client) != std::end(registered_clients_)) { | |
80 return; | |
81 } | |
82 registered_clients_.push_back(client); | |
83 } | |
84 | |
85 void CrashDumpObserver::UnregisterClient(Client* client) { | |
86 base::AutoLock auto_lock(registered_clients_lock_); | |
87 registered_clients_.remove(client); | |
88 } | |
89 | |
90 void CrashDumpObserver::BrowserChildProcessStarted( | |
91 int child_process_id, | |
92 content::FileDescriptorInfo* mappings) { | |
93 base::AutoLock auto_lock(registered_clients_lock_); | |
94 for (auto& client : registered_clients_) { | |
95 client->OnChildStart(child_process_id, mappings); | |
96 } | |
97 } | |
98 | |
99 void CrashDumpObserver::BrowserChildProcessHostDisconnected( | |
100 const content::ChildProcessData& data) { | |
101 OnChildExit(data.id, data.handle, | |
102 static_cast<content::ProcessType>(data.process_type), | |
103 base::TERMINATION_STATUS_MAX_ENUM, | |
104 base::android::APPLICATION_STATE_UNKNOWN); | |
105 } | |
106 | |
107 void CrashDumpObserver::BrowserChildProcessCrashed( | |
108 const content::ChildProcessData& data, | |
109 int exit_code) { | |
110 OnChildExit(data.id, data.handle, | |
111 static_cast<content::ProcessType>(data.process_type), | |
112 base::TERMINATION_STATUS_ABNORMAL_TERMINATION, | |
113 base::android::APPLICATION_STATE_UNKNOWN); | |
114 } | |
115 | |
116 void CrashDumpObserver::Observe(int type, | |
117 const content::NotificationSource& source, | |
118 const content::NotificationDetails& details) { | |
119 content::RenderProcessHost* rph = | |
120 content::Source<content::RenderProcessHost>(source).ptr(); | |
121 base::TerminationStatus term_status = base::TERMINATION_STATUS_MAX_ENUM; | |
122 base::android::ApplicationState app_state = | |
123 base::android::APPLICATION_STATE_UNKNOWN; | |
124 switch (type) { | |
125 case content::NOTIFICATION_RENDERER_PROCESS_TERMINATED: { | |
126 // NOTIFICATION_RENDERER_PROCESS_TERMINATED is sent when the renderer | |
127 // process is cleanly shutdown. However, we still need to close the | |
128 // minidump_fd we kept open. | |
129 term_status = base::TERMINATION_STATUS_NORMAL_TERMINATION; | |
130 break; | |
131 } | |
132 case content::NOTIFICATION_RENDERER_PROCESS_CLOSED: { | |
133 // We do not care about android fast shutdowns as it is a known case where | |
134 // the renderer is intentionally killed when we are done with it. | |
135 if (rph->FastShutdownStarted()) { | |
136 break; | |
137 } | |
138 content::RenderProcessHost::RendererClosedDetails* process_details = | |
139 content::Details<content::RenderProcessHost::RendererClosedDetails>( | |
140 details) | |
141 .ptr(); | |
142 term_status = process_details->status; | |
143 app_state = base::android::ApplicationStatusListener::GetState(); | |
144 break; | |
145 } | |
146 default: | |
147 NOTREACHED(); | |
148 return; | |
149 } | |
150 | |
151 OnChildExit(rph->GetID(), rph->GetHandle(), content::PROCESS_TYPE_RENDERER, | |
152 term_status, app_state); | |
153 } | |
154 | |
155 } // namespace breakpad | |
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