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 "base/logging.h" 8 #include "chrome/common/chrome_constants.h" 9 #include "content/public/common/result_codes.h" 10 11 namespace { 12 13 // How long do we wait for the terminated thread or process to die (in ms) 14 static const int kTerminateTimeoutMS = 2000; 15 16 // How long do we wait for the crash to be generated (in ms). 17 static const int kGenerateDumpTimeoutMS = 10000; 18 19 } // namespace 20 CrashDumpAndTerminateHungChildProcess(HANDLE hprocess)21void CrashDumpAndTerminateHungChildProcess(HANDLE hprocess) { 22 // Before terminating the process we try collecting a dump. Which 23 // a transient thread in the child process will do for us. 24 typedef HANDLE (__cdecl *DumpFunction)(HANDLE); 25 static DumpFunction request_dump = NULL; 26 if (!request_dump) { 27 request_dump = reinterpret_cast<DumpFunction>(GetProcAddress( 28 GetModuleHandle(chrome::kBrowserProcessExecutableName), 29 "InjectDumpProcessWithoutCrash")); 30 DCHECK(request_dump) << "Failed loading DumpProcessWithoutCrash: error " << 31 GetLastError(); 32 } 33 34 if (request_dump) { 35 HANDLE remote_thread = request_dump(hprocess); 36 DCHECK(remote_thread) << "Failed creating remote thread: error " << 37 GetLastError(); 38 if (remote_thread) { 39 WaitForSingleObject(remote_thread, kGenerateDumpTimeoutMS); 40 CloseHandle(remote_thread); 41 } 42 } 43 44 TerminateProcess(hprocess, content::RESULT_CODE_HUNG); 45 WaitForSingleObject(hprocess, kTerminateTimeoutMS); 46 } 47 CrashDumpForHangDebugging(HANDLE hprocess)48void CrashDumpForHangDebugging(HANDLE hprocess) { 49 if (hprocess == GetCurrentProcess()) { 50 typedef void (__cdecl *DumpFunction)(); 51 DumpFunction request_dump = reinterpret_cast<DumpFunction>(GetProcAddress( 52 GetModuleHandle(chrome::kBrowserProcessExecutableName), 53 "DumpProcessWithoutCrash")); 54 DCHECK(request_dump) << "Failed loading DumpProcessWithoutCrash: error " << 55 GetLastError(); 56 if (request_dump) 57 request_dump(); 58 } else { 59 typedef HANDLE (__cdecl *DumpFunction)(HANDLE); 60 DumpFunction request_dump = reinterpret_cast<DumpFunction>(GetProcAddress( 61 GetModuleHandle(chrome::kBrowserProcessExecutableName), 62 "InjectDumpForHangDebugging")); 63 DCHECK(request_dump) << "Failed loading InjectDumpForHangDebugging: error " 64 << GetLastError(); 65 if (request_dump) { 66 HANDLE remote_thread = request_dump(hprocess); 67 DCHECK(remote_thread) << "Failed creating remote thread: error " << 68 GetLastError(); 69 if (remote_thread) { 70 WaitForSingleObject(remote_thread, kGenerateDumpTimeoutMS); 71 CloseHandle(remote_thread); 72 } 73 } 74 } 75 } 76