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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 #include "chrome/browser/hang_monitor/hang_crash_dump_win.h" | |
6 | |
7 #include "chrome/common/chrome_constants.h" | |
8 #include "content/public/common/result_codes.h" | |
9 | |
10 namespace { | |
11 | |
12 // This function will be called via an injected thread in the hung plugin | |
13 // process. calling DumpProcessWithoutCrash causes breakpad to capture a dump of | |
14 // the process. | |
15 DWORD WINAPI HungPluginDumpAndExit(void*) { | |
16 typedef void (__cdecl *DumpProcessFunction)(); | |
17 DumpProcessFunction request_dump = reinterpret_cast<DumpProcessFunction>( | |
18 GetProcAddress(GetModuleHandle(chrome::kBrowserProcessExecutableName), | |
19 "DumpProcessWithoutCrash")); | |
20 if (request_dump) | |
21 request_dump(); | |
22 return 0; | |
23 } | |
24 | |
25 // How long do we wait for the terminated thread or process to die (in ms) | |
26 static const int kTerminateTimeoutMS = 2000; | |
27 | |
28 // How long do we wait for the crash to be generated (in ms). | |
29 static const int kGenerateDumpTimeoutMS = 10000; | |
30 | |
31 } // namespace | |
32 | |
33 void CrashDumpAndTerminateHungChildProcess(HANDLE hprocess) { | |
34 // Before terminating the process we try collecting a dump. Which | |
35 // a transient thread in the child process will do for us. | |
36 HANDLE remote_thread = CreateRemoteThread(hprocess, NULL, 0, | |
37 &HungPluginDumpAndExit, 0, 0, NULL); | |
38 if (remote_thread) { | |
39 WaitForSingleObject(remote_thread, kGenerateDumpTimeoutMS); | |
40 CloseHandle(remote_thread); | |
41 } | |
42 | |
43 TerminateProcess(hprocess, content::RESULT_CODE_HUNG); | |
44 WaitForSingleObject(hprocess, kTerminateTimeoutMS); | |
45 } | |
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