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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_ANDROID_CRASH_DUMP_MANAGER_H_ | |
| 6 #define CHROME_BROWSER_ANDROID_CRASH_DUMP_MANAGER_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 | |
| 10 #include "base/files/file_path.h" | |
| 11 #include "base/platform_file.h" | |
| 12 #include "base/process/process.h" | |
| 13 #include "base/synchronization/lock.h" | |
| 14 #include "content/public/browser/browser_child_process_observer.h" | |
| 15 #include "content/public/browser/notification_observer.h" | |
| 16 #include "content/public/browser/notification_registrar.h" | |
| 17 | |
| 18 namespace content { | |
| 19 class RenderProcessHost; | |
| 20 } | |
| 21 | |
| 22 // This class manages the crash minidumps. | |
| 23 // On Android, because of process isolation, each renderer process runs with a | |
| 24 // different UID. As a result, we cannot generate the minidumps in the browser | |
| 25 // (as the browser process does not have access to some system files for the | |
| 26 // crashed process). So the minidump is generated in the renderer process. | |
| 27 // Since the isolated process cannot open files, we provide it on creation with | |
| 28 // a file descriptor where to write the minidump in the event of a crash. | |
| 29 // This class creates these file descriptors and associates them with render | |
| 30 // processes and take the appropriate action when the render process terminates. | |
| 31 class CrashDumpManager : public content::BrowserChildProcessObserver, | |
| 32 public content::NotificationObserver { | |
| 33 public: | |
| 34 // This object is a singleton created and owned by the | |
| 35 // ChromeBrowserMainPartsAndroid. | |
| 36 static CrashDumpManager* GetInstance(); | |
| 37 | |
| 38 virtual ~CrashDumpManager(); | |
| 39 | |
| 40 // Returns a file descriptor that should be used to generate a minidump for | |
| 41 // the process |child_process_id|. | |
| 42 int CreateMinidumpFile(int child_process_id); | |
| 43 | |
| 44 private: | |
| 45 friend class ChromeBrowserMainPartsAndroid; | |
| 46 | |
| 47 // Should be created on the UI thread. | |
| 48 explicit CrashDumpManager(const base::FilePath& crash_dump_dir); | |
| 49 | |
| 50 typedef std::map<int, base::FilePath> ChildProcessIDToMinidumpPath; | |
| 51 | |
| 52 static void ProcessMinidump(const base::FilePath& minidump_path, | |
| 53 base::ProcessHandle pid); | |
| 54 | |
| 55 // content::BrowserChildProcessObserver implementation: | |
| 56 virtual void BrowserChildProcessHostDisconnected( | |
| 57 const content::ChildProcessData& data) OVERRIDE; | |
| 58 virtual void BrowserChildProcessCrashed( | |
| 59 const content::ChildProcessData& data) OVERRIDE; | |
| 60 | |
| 61 // NotificationObserver implementation: | |
| 62 virtual void Observe(int type, | |
| 63 const content::NotificationSource& source, | |
| 64 const content::NotificationDetails& details) OVERRIDE; | |
| 65 | |
| 66 // Called on child process exit (including crash). | |
| 67 void OnChildExit(int child_process_id, base::ProcessHandle pid); | |
| 68 | |
| 69 content::NotificationRegistrar notification_registrar_; | |
| 70 | |
| 71 // This map should only be accessed with its lock aquired as it is accessed | |
| 72 // from the PROCESS_LAUNCHER and UI threads. | |
| 73 base::Lock child_process_id_to_minidump_path_lock_; | |
| 74 ChildProcessIDToMinidumpPath child_process_id_to_minidump_path_; | |
| 75 | |
| 76 base::FilePath crash_dump_dir_; | |
| 77 | |
| 78 static CrashDumpManager* instance_; | |
| 79 | |
| 80 DISALLOW_COPY_AND_ASSIGN(CrashDumpManager); | |
| 81 }; | |
| 82 | |
| 83 #endif // CHROME_BROWSER_ANDROID_CRASH_DUMP_MANAGER_H_ | |
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Chromium Code Reviews
Issue 31243002:
Move Linux/Android breakpad implementation to breakpad component (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src