1 // Copyright 2014 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/common/terminate_on_heap_corruption_experiment_win.h" 6 7 #include "base/command_line.h" 8 #include "base/metrics/field_trial.h" 9 #include "base/win/registry.h" 10 #include "chrome/common/chrome_constants.h" 11 #include "chrome/common/chrome_version_info.h" 12 13 namespace { 14 15 const wchar_t* GetBeaconKeyPath() { 16 chrome::VersionInfo::Channel channel = chrome::VersionInfo::CHANNEL_UNKNOWN; 17 18 // We are called quite early, before the CommandLine is initialized. We don't 19 // want to permanently initialize it because ContentMainRunner::Initialize 20 // sets some locale-related stuff to make sure it is parsed properly. But we 21 // can temporarily initialize it for the purpose of determining if we are 22 // Canary. 23 if (!CommandLine::InitializedForCurrentProcess()) { 24 CommandLine::Init(0, NULL); 25 channel = chrome::VersionInfo::GetChannel(); 26 CommandLine::Reset(); 27 } else { 28 channel = chrome::VersionInfo::GetChannel(); 29 } 30 31 if (channel == chrome::VersionInfo::CHANNEL_CANARY) { 32 return L"SOFTWARE\\" PRODUCT_STRING_PATH 33 L"\\DisableTerminateOnProcessHeapCorruptionSxs"; 34 } 35 return L"SOFTWARE\\" PRODUCT_STRING_PATH 36 L"\\DisableTerminateOnProcessHeapCorruption"; 37 } 38 39 } // namespace 40 41 bool ShouldExperimentallyDisableTerminateOnHeapCorruption() { 42 base::win::RegKey regkey( 43 HKEY_CURRENT_USER, GetBeaconKeyPath(), KEY_QUERY_VALUE); 44 return regkey.Valid(); 45 } 46 47 void InitializeDisableTerminateOnHeapCorruptionExperiment() { 48 base::win::RegKey regkey(HKEY_CURRENT_USER); 49 50 if (base::FieldTrialList::FindFullName("TerminateOnProcessHeapCorruption") == 51 "Disabled") { 52 regkey.CreateKey(GetBeaconKeyPath(), KEY_SET_VALUE); 53 } else { 54 regkey.DeleteKey(GetBeaconKeyPath()); 55 } 56 } 57
