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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/hang_monitor/hang_crash_dump_win.h"
#include "base/logging.h"
#include "chrome/common/chrome_constants.h"
#include "content/public/common/result_codes.h"
namespace {
// How long do we wait for the terminated thread or process to die (in ms)
static const int kTerminateTimeoutMS = 2000;
// How long do we wait for the crash to be generated (in ms).
static const int kGenerateDumpTimeoutMS = 10000;
} // namespace
void CrashDumpAndTerminateHungChildProcess(HANDLE hprocess) {
// Before terminating the process we try collecting a dump. Which
// a transient thread in the child process will do for us.
typedef HANDLE (__cdecl *DumpFunction)(HANDLE);
static DumpFunction request_dump = NULL;
if (!request_dump) {
request_dump = reinterpret_cast<DumpFunction>(GetProcAddress(
GetModuleHandle(chrome::kBrowserProcessExecutableName),
"InjectDumpProcessWithoutCrash"));
DCHECK(request_dump) << "Failed loading DumpProcessWithoutCrash: error " <<
GetLastError();
}
if (request_dump) {
HANDLE remote_thread = request_dump(hprocess);
DCHECK(remote_thread) << "Failed creating remote thread: error " <<
GetLastError();
if (remote_thread) {
WaitForSingleObject(remote_thread, kGenerateDumpTimeoutMS);
CloseHandle(remote_thread);
}
}
TerminateProcess(hprocess, content::RESULT_CODE_HUNG);
WaitForSingleObject(hprocess, kTerminateTimeoutMS);
}
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