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| 1 // Copyright 2016 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 COMPONENTS_CRASH_CONTENT_BROWSER_CRASH_DUMP_BROWSER_TERMINATOR_H_ |
| 6 #define COMPONENTS_CRASH_CONTENT_BROWSER_CRASH_DUMP_BROWSER_TERMINATOR_H_ |
| 7 |
| 8 #include <map> |
| 9 |
| 10 #include "base/synchronization/lock.h" |
| 11 #include "components/crash/content/browser/crash_dump_observer_android.h" |
| 12 |
| 13 namespace base { |
| 14 class SyncSocket; |
| 15 } |
| 16 |
| 17 namespace android_webview { |
| 18 |
| 19 // This class manages behavior of the browser on renderer crashes when |
| 20 // microdumps are used for capturing the crash stack. Normally, in this case |
| 21 // the browser doesn't need to do much, because a microdump is written into |
| 22 // Android log by the renderer process itself. However, the browser may need to |
| 23 // crash itself on a renderer crash. Since on Android renderers are not child |
| 24 // processes of the browser, it can't access the exit code. Instead, the browser |
| 25 // uses a dedicated pipe in order to receive the information about the renderer |
| 26 // crash status. |
| 27 class AwBrowserTerminator : public breakpad::CrashDumpObserver::Client { |
| 28 public: |
| 29 AwBrowserTerminator(); |
| 30 ~AwBrowserTerminator() override; |
| 31 |
| 32 // breakpad::CrashDumpObserver::Client implementation. |
| 33 void OnChildStart(int child_process_id, |
| 34 content::FileDescriptorInfo* mappings) override; |
| 35 void OnChildExit(int child_process_id, |
| 36 base::ProcessHandle pid, |
| 37 content::ProcessType process_type, |
| 38 base::TerminationStatus termination_status, |
| 39 base::android::ApplicationState app_state) override; |
| 40 |
| 41 private: |
| 42 static void ProcessTerminationStatus(std::unique_ptr<base::SyncSocket> pipe); |
| 43 |
| 44 // This map should only be accessed with its lock aquired as it is accessed |
| 45 // from the PROCESS_LAUNCHER, FILE, and UI threads. |
| 46 base::Lock child_process_id_to_pipe_lock_; |
| 47 std::map<int, std::unique_ptr<base::SyncSocket>> child_process_id_to_pipe_; |
| 48 |
| 49 DISALLOW_COPY_AND_ASSIGN(AwBrowserTerminator); |
| 50 }; |
| 51 |
| 52 } // namespace breakpad |
| 53 |
| 54 #endif // COMPONENTS_CRASH_CONTENT_BROWSER_CRASH_DUMP_BROWSER_TERMINATOR_H_ |
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