blob: c5f62a876ad2706d69c0a72a1d246bc20eb78d6b [file] [log] [blame]
// 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/app/chrome_main_delegate.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/i18n/rtl.h"
#include "base/lazy_instance.h"
#include "base/message_loop/message_loop.h"
#include "base/metrics/statistics_recorder.h"
#include "base/metrics/stats_counters.h"
#include "base/path_service.h"
#include "base/process/memory.h"
#include "base/process/process_handle.h"
#include "base/strings/string_util.h"
#include "build/build_config.h"
#include "chrome/browser/chrome_content_browser_client.h"
#include "chrome/browser/defaults.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_paths_internal.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/chrome_version_info.h"
#include "chrome/common/crash_keys.h"
#include "chrome/common/logging_chrome.h"
#include "chrome/common/profiling.h"
#include "chrome/common/switch_utils.h"
#include "chrome/common/url_constants.h"
#include "chrome/plugin/chrome_content_plugin_client.h"
#include "chrome/renderer/chrome_content_renderer_client.h"
#include "chrome/utility/chrome_content_utility_client.h"
#include "components/nacl/common/nacl_switches.h"
#include "components/startup_metric_utils/startup_metric_utils.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_paths.h"
#include "ui/base/ui_base_switches.h"
#if defined(OS_WIN)
#include <atlbase.h>
#include <malloc.h>
#include <algorithm>
#include "base/strings/string_util.h"
#include "chrome/common/child_process_logging.h"
#include "sandbox/win/src/sandbox.h"
#include "tools/memory_watcher/memory_watcher.h"
#include "ui/base/resource/resource_bundle_win.h"
#endif
#if defined(OS_MACOSX)
#include "base/mac/mac_util.h"
#include "base/mac/os_crash_dumps.h"
#include "chrome/app/chrome_main_mac.h"
#include "chrome/browser/mac/relauncher.h"
#include "chrome/common/chrome_paths_internal.h"
#include "chrome/common/mac/cfbundle_blocker.h"
#include "chrome/common/mac/objc_zombie.h"
#include "components/breakpad/app/breakpad_mac.h"
#include "grit/chromium_strings.h"
#include "ui/base/l10n/l10n_util_mac.h"
#endif
#if defined(OS_POSIX)
#include <locale.h>
#include <signal.h>
#include "chrome/app/chrome_breakpad_client.h"
#include "components/breakpad/app/breakpad_client.h"
#endif
#if !defined(DISABLE_NACL) && defined(OS_LINUX)
#include "components/nacl/common/nacl_paths.h"
#include "components/nacl/zygote/nacl_fork_delegate_linux.h"
#endif
#if defined(OS_CHROMEOS)
#include "base/sys_info.h"
#include "chrome/browser/chromeos/boot_times_loader.h"
#include "chromeos/chromeos_paths.h"
#include "chromeos/chromeos_switches.h"
#endif
#if defined(OS_ANDROID)
#include "chrome/common/descriptors_android.h"
#else
// Diagnostics is only available on non-android platforms.
#include "chrome/browser/diagnostics/diagnostics_controller.h"
#include "chrome/browser/diagnostics/diagnostics_writer.h"
#endif
#if defined(USE_X11)
#include <stdlib.h>
#include <string.h>
#include "ui/base/x/x11_util.h"
#endif
#if defined(OS_POSIX) && !defined(OS_MACOSX)
#include "components/breakpad/app/breakpad_linux.h"
#endif
#if defined(OS_LINUX)
#include "base/environment.h"
#endif
#if defined(OS_MACOSX) || defined(OS_WIN)
#include "chrome/browser/policy/policy_path_parser.h"
#endif
#if !defined(CHROME_MULTIPLE_DLL_CHILD)
base::LazyInstance<chrome::ChromeContentBrowserClient>
g_chrome_content_browser_client = LAZY_INSTANCE_INITIALIZER;
#endif
#if !defined(CHROME_MULTIPLE_DLL_BROWSER)
base::LazyInstance<ChromeContentRendererClient>
g_chrome_content_renderer_client = LAZY_INSTANCE_INITIALIZER;
base::LazyInstance<chrome::ChromeContentUtilityClient>
g_chrome_content_utility_client = LAZY_INSTANCE_INITIALIZER;
base::LazyInstance<chrome::ChromeContentPluginClient>
g_chrome_content_plugin_client = LAZY_INSTANCE_INITIALIZER;
#endif
#if defined(OS_POSIX)
base::LazyInstance<chrome::ChromeBreakpadClient>::Leaky
g_chrome_breakpad_client = LAZY_INSTANCE_INITIALIZER;
#endif
extern int NaClMain(const content::MainFunctionParams&);
extern int ServiceProcessMain(const content::MainFunctionParams&);
namespace {
#if defined(OS_WIN)
const wchar_t kProfilingDll[] = L"memory_watcher.dll";
// Load the memory profiling DLL. All it needs to be activated
// is to be loaded. Return true on success, false otherwise.
bool LoadMemoryProfiler() {
HMODULE prof_module = LoadLibrary(kProfilingDll);
return prof_module != NULL;
}
// Early versions of Chrome incorrectly registered a chromehtml: URL handler,
// which gives us nothing but trouble. Avoid launching chrome this way since
// some apps fail to properly escape arguments.
bool HasDeprecatedArguments(const std::wstring& command_line) {
const wchar_t kChromeHtml[] = L"chromehtml:";
std::wstring command_line_lower = command_line;
// We are only searching for ASCII characters so this is OK.
StringToLowerASCII(&command_line_lower);
std::wstring::size_type pos = command_line_lower.find(kChromeHtml);
return (pos != std::wstring::npos);
}
// If we try to access a path that is not currently available, we want the call
// to fail rather than show an error dialog.
void SuppressWindowsErrorDialogs() {
UINT new_flags = SEM_FAILCRITICALERRORS |
SEM_NOOPENFILEERRORBOX;
// Preserve existing error mode.
UINT existing_flags = SetErrorMode(new_flags);
SetErrorMode(existing_flags | new_flags);
}
#endif // defined(OS_WIN)
#if defined(OS_LINUX)
static void AdjustLinuxOOMScore(const std::string& process_type) {
// Browsers and zygotes should still be killable, but killed last.
const int kZygoteScore = 0;
// The minimum amount to bump a score by. This is large enough that
// even if it's translated into the old values, it will still go up
// by at least one.
const int kScoreBump = 100;
// This is the lowest score that renderers and extensions start with
// in the OomPriorityManager.
const int kRendererScore = chrome::kLowestRendererOomScore;
// For "miscellaneous" things, we want them after renderers,
// but before plugins.
const int kMiscScore = kRendererScore - kScoreBump;
// We want plugins to die after the renderers.
const int kPluginScore = kMiscScore - kScoreBump;
int score = -1;
DCHECK(kMiscScore > 0);
DCHECK(kPluginScore > 0);
if (process_type == switches::kPluginProcess ||
process_type == switches::kPpapiPluginProcess) {
score = kPluginScore;
} else if (process_type == switches::kPpapiBrokerProcess) {
// The broker should be killed before the PPAPI plugin.
score = kPluginScore + kScoreBump;
} else if (process_type == switches::kUtilityProcess ||
process_type == switches::kWorkerProcess ||
process_type == switches::kGpuProcess ||
process_type == switches::kServiceProcess) {
score = kMiscScore;
#ifndef DISABLE_NACL
} else if (process_type == switches::kNaClLoaderProcess) {
score = kPluginScore;
#endif
} else if (process_type == switches::kZygoteProcess ||
process_type.empty()) {
// For zygotes and unlabeled process types, we want to still make
// them killable by the OOM killer.
score = kZygoteScore;
} else if (process_type == switches::kRendererProcess) {
LOG(WARNING) << "process type 'renderer' "
<< "should be created through the zygote.";
// When debugging, this process type can end up being run directly, but
// this isn't the typical path for assigning the OOM score for it. Still,
// we want to assign a score that is somewhat representative for debugging.
score = kRendererScore;
} else {
NOTREACHED() << "Unknown process type";
}
if (score > -1)
base::AdjustOOMScore(base::GetCurrentProcId(), score);
}
#endif // defined(OS_LINUX)
// Enable the heap profiler if the appropriate command-line switch is
// present, bailing out of the app we can't.
void EnableHeapProfiler(const CommandLine& command_line) {
#if defined(OS_WIN)
if (command_line.HasSwitch(switches::kMemoryProfiling))
if (!LoadMemoryProfiler())
exit(-1);
#endif
}
// Returns true if this subprocess type needs the ResourceBundle initialized
// and resources loaded.
bool SubprocessNeedsResourceBundle(const std::string& process_type) {
return
#if defined(OS_WIN) || defined(OS_MACOSX)
// Windows needs resources for the default/null plugin.
// Mac needs them for the plugin process name.
process_type == switches::kPluginProcess ||
// Needed for scrollbar related images.
process_type == switches::kWorkerProcess ||
#endif
#if defined(OS_POSIX) && !defined(OS_MACOSX)
// The zygote process opens the resources for the renderers.
process_type == switches::kZygoteProcess ||
#endif
#if defined(OS_MACOSX)
// Mac needs them too for scrollbar related images and for sandbox
// profiles.
process_type == switches::kNaClLoaderProcess ||
process_type == switches::kPpapiPluginProcess ||
process_type == switches::kPpapiBrokerProcess ||
process_type == switches::kGpuProcess ||
#endif
process_type == switches::kRendererProcess ||
process_type == switches::kUtilityProcess;
}
#if defined(OS_POSIX)
// Check for --version and --product-version; return true if we encountered
// one of these switches and should exit now.
bool HandleVersionSwitches(const CommandLine& command_line) {
const chrome::VersionInfo version_info;
#if !defined(OS_MACOSX)
if (command_line.HasSwitch(switches::kProductVersion)) {
printf("%s\n", version_info.Version().c_str());
return true;
}
#endif
if (command_line.HasSwitch(switches::kVersion)) {
printf("%s %s %s\n",
version_info.Name().c_str(),
version_info.Version().c_str(),
chrome::VersionInfo::GetVersionStringModifier().c_str());
return true;
}
return false;
}
#if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
// Show the man page if --help or -h is on the command line.
void HandleHelpSwitches(const CommandLine& command_line) {
if (command_line.HasSwitch(switches::kHelp) ||
command_line.HasSwitch(switches::kHelpShort)) {
base::FilePath binary(command_line.argv()[0]);
execlp("man", "man", binary.BaseName().value().c_str(), NULL);
PLOG(FATAL) << "execlp failed";
}
}
#endif
#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
void SIGTERMProfilingShutdown(int signal) {
Profiling::Stop();
struct sigaction sigact;
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = SIG_DFL;
CHECK(sigaction(SIGTERM, &sigact, NULL) == 0);
raise(signal);
}
void SetUpProfilingShutdownHandler() {
struct sigaction sigact;
sigact.sa_handler = SIGTERMProfilingShutdown;
sigact.sa_flags = SA_RESETHAND;
sigemptyset(&sigact.sa_mask);
CHECK(sigaction(SIGTERM, &sigact, NULL) == 0);
}
#endif // !defined(OS_MACOSX) && !defined(OS_ANDROID)
#endif // OS_POSIX
struct MainFunction {
const char* name;
int (*function)(const content::MainFunctionParams&);
};
// Initializes the user data dir. Must be called before InitializeLocalState().
void InitializeUserDataDir() {
CommandLine* command_line = CommandLine::ForCurrentProcess();
base::FilePath user_data_dir =
command_line->GetSwitchValuePath(switches::kUserDataDir);
std::string process_type =
command_line->GetSwitchValueASCII(switches::kProcessType);
#if defined(OS_LINUX)
// On Linux, Chrome does not support running multiple copies under different
// DISPLAYs, so the profile directory can be specified in the environment to
// support the virtual desktop use-case.
if (user_data_dir.empty()) {
std::string user_data_dir_string;
scoped_ptr<base::Environment> environment(base::Environment::Create());
if (environment->GetVar("CHROME_USER_DATA_DIR", &user_data_dir_string) &&
IsStringUTF8(user_data_dir_string)) {
user_data_dir = base::FilePath::FromUTF8Unsafe(user_data_dir_string);
}
}
#endif
#if defined(OS_MACOSX) || defined(OS_WIN)
policy::path_parser::CheckUserDataDirPolicy(&user_data_dir);
#endif
const bool specified_directory_was_invalid = !user_data_dir.empty() &&
!PathService::OverrideAndCreateIfNeeded(chrome::DIR_USER_DATA,
user_data_dir, true);
// Save inaccessible or invalid paths so the user may be prompted later.
if (specified_directory_was_invalid)
chrome::SetInvalidSpecifiedUserDataDir(user_data_dir);
// Warn and fail early if the process fails to get a user data directory.
if (!PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) {
// If an invalid command-line or policy override was specified, the user
// will be given an error with that value. Otherwise, use the directory
// returned by PathService (or the fallback default directory) in the error.
if (!specified_directory_was_invalid) {
// PathService::Get() returns false and yields an empty path if it fails
// to create DIR_USER_DATA. Retrieve the default value manually to display
// a more meaningful error to the user in that case.
if (user_data_dir.empty())
chrome::GetDefaultUserDataDirectory(&user_data_dir);
chrome::SetInvalidSpecifiedUserDataDir(user_data_dir);
}
// The browser process (which is identified by an empty |process_type|) will
// handle the error later; other processes that need the dir crash here.
CHECK(process_type.empty()) << "Unable to get the user data directory "
<< "for process type: " << process_type;
}
// Append the fallback user data directory to the commandline. Otherwise,
// child or service processes will attempt to use the invalid directory.
if (specified_directory_was_invalid)
command_line->AppendSwitchPath(switches::kUserDataDir, user_data_dir);
}
} // namespace
ChromeMainDelegate::ChromeMainDelegate() {
#if defined(OS_ANDROID)
// On Android the main entry point time is the time when the Java code starts.
// This happens before the shared library containing this code is even loaded.
// The Java startup code has recorded that time, but the C++ code can't fetch it
// from the Java side until it has initialized the JNI. See
// ChromeMainDelegateAndroid.
#else
startup_metric_utils::RecordMainEntryPointTime();
#endif
}
ChromeMainDelegate::~ChromeMainDelegate() {
}
bool ChromeMainDelegate::BasicStartupComplete(int* exit_code) {
#if defined(OS_CHROMEOS)
chromeos::BootTimesLoader::Get()->SaveChromeMainStats();
#endif
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
#if defined(OS_MACOSX)
// Give the browser process a longer treadmill, since crashes
// there have more impact.
const bool is_browser = !command_line.HasSwitch(switches::kProcessType);
ObjcEvilDoers::ZombieEnable(true, is_browser ? 10000 : 1000);
SetUpBundleOverrides();
chrome::common::mac::EnableCFBundleBlocker();
#endif
Profiling::ProcessStarted();
#if defined(OS_POSIX)
if (HandleVersionSwitches(command_line)) {
*exit_code = 0;
return true; // Got a --version switch; exit with a success error code.
}
#if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
// This will directly exit if the user asked for help.
HandleHelpSwitches(command_line);
#endif
#endif // OS_POSIX
#if defined(OS_WIN)
// Must do this before any other usage of command line!
if (HasDeprecatedArguments(command_line.GetCommandLineString())) {
*exit_code = 1;
return true;
}
#endif
chrome::RegisterPathProvider();
#if defined(OS_CHROMEOS)
chromeos::RegisterPathProvider();
#endif
#if !defined(DISABLE_NACL) && defined(OS_LINUX)
nacl::RegisterPathProvider();
#endif
// No support for ANDROID yet as DiagnosticsController needs wchar support.
// TODO(gspencer): That's not true anymore, or at least there are no w-string
// references anymore. Not sure if that means this can be enabled on Android or
// not though. As there is no easily accessible command line on Android, I'm
// not sure this is a big deal.
#if !defined(OS_ANDROID) && !defined(CHROME_MULTIPLE_DLL_CHILD)
// If we are in diagnostics mode this is the end of the line: after the
// diagnostics are run the process will invariably exit.
if (command_line.HasSwitch(switches::kDiagnostics)) {
diagnostics::DiagnosticsWriter::FormatType format =
diagnostics::DiagnosticsWriter::HUMAN;
if (command_line.HasSwitch(switches::kDiagnosticsFormat)) {
std::string format_str =
command_line.GetSwitchValueASCII(switches::kDiagnosticsFormat);
if (format_str == "machine") {
format = diagnostics::DiagnosticsWriter::MACHINE;
} else if (format_str == "log") {
format = diagnostics::DiagnosticsWriter::LOG;
} else {
DCHECK_EQ("human", format_str);
}
}
diagnostics::DiagnosticsWriter writer(format);
*exit_code = diagnostics::DiagnosticsController::GetInstance()->Run(
command_line, &writer);
diagnostics::DiagnosticsController::GetInstance()->ClearResults();
return true;
}
#endif
#if defined(OS_CHROMEOS)
// If we are recovering from a crash on ChromeOS, then we will do some
// recovery using the diagnostics module, and then continue on. We fake up a
// command line to tell it that we want it to recover, and to preserve the
// original command line.
if (command_line.HasSwitch(chromeos::switches::kLoginUser) ||
command_line.HasSwitch(switches::kDiagnosticsRecovery)) {
// The statistics subsystem needs get initialized soon enough for the
// statistics to be collected. It's safe to call this more than once.
base::StatisticsRecorder::Initialize();
CommandLine interim_command_line(command_line.GetProgram());
const char* kSwitchNames[] = {switches::kUserDataDir, };
interim_command_line.CopySwitchesFrom(
command_line, kSwitchNames, arraysize(kSwitchNames));
interim_command_line.AppendSwitch(switches::kDiagnostics);
interim_command_line.AppendSwitch(switches::kDiagnosticsRecovery);
diagnostics::DiagnosticsWriter::FormatType format =
diagnostics::DiagnosticsWriter::LOG;
if (command_line.HasSwitch(switches::kDiagnosticsFormat)) {
std::string format_str =
command_line.GetSwitchValueASCII(switches::kDiagnosticsFormat);
if (format_str == "machine") {
format = diagnostics::DiagnosticsWriter::MACHINE;
} else if (format_str == "human") {
format = diagnostics::DiagnosticsWriter::HUMAN;
} else {
DCHECK_EQ("log", format_str);
}
}
diagnostics::DiagnosticsWriter writer(format);
int diagnostics_exit_code =
diagnostics::DiagnosticsController::GetInstance()->Run(command_line,
&writer);
if (diagnostics_exit_code) {
// Diagnostics has failed somehow, so we exit.
*exit_code = diagnostics_exit_code;
return true;
}
// Now we run the actual recovery tasks.
int recovery_exit_code =
diagnostics::DiagnosticsController::GetInstance()->RunRecovery(
command_line, &writer);
if (recovery_exit_code) {
// Recovery has failed somehow, so we exit.
*exit_code = recovery_exit_code;
return true;
}
} else { // Not running diagnostics or recovery.
diagnostics::DiagnosticsController::GetInstance()->RecordRegularStartup();
}
#endif
content::SetContentClient(&chrome_content_client_);
return false;
}
#if defined(OS_MACOSX)
void ChromeMainDelegate::InitMacCrashReporter(
const base::CommandLine& command_line,
const std::string& process_type) {
// TODO(mark): Right now, InitCrashReporter() needs to be called after
// CommandLine::Init() and chrome::RegisterPathProvider(). Ideally,
// Breakpad initialization could occur sooner, preferably even before the
// framework dylib is even loaded, to catch potential early crashes.
breakpad::InitCrashReporter(process_type);
#if defined(NDEBUG)
bool is_debug_build = false;
#else
bool is_debug_build = true;
#endif
// Details on when we enable Apple's Crash reporter.
//
// Motivation:
// In debug mode it takes Apple's crash reporter eons to generate a crash
// dump.
//
// What we do:
// * We only pass crashes for foreground processes to Apple's Crash
// reporter. At the time of this writing, that means just the Browser
// process.
// * If Breakpad is enabled, it will pass browser crashes to Crash Reporter
// itself.
// * If Breakpad is disabled, we only turn on Crash Reporter for the
// Browser process in release mode.
if (!command_line.HasSwitch(switches::kDisableBreakpad)) {
bool disable_apple_crash_reporter = is_debug_build ||
base::mac::IsBackgroundOnlyProcess();
if (!breakpad::IsCrashReporterEnabled() && disable_apple_crash_reporter) {
base::mac::DisableOSCrashDumps();
}
}
// Mac Chrome is packaged with a main app bundle and a helper app bundle.
// The main app bundle should only be used for the browser process, so it
// should never see a --type switch (switches::kProcessType). Likewise,
// the helper should always have a --type switch.
//
// This check is done this late so there is already a call to
// base::mac::IsBackgroundOnlyProcess(), so there is no change in
// startup/initialization order.
// The helper's Info.plist marks it as a background only app.
if (base::mac::IsBackgroundOnlyProcess()) {
CHECK(command_line.HasSwitch(switches::kProcessType) &&
!process_type.empty())
<< "Helper application requires --type.";
// In addition, some helper flavors only work with certain process types.
base::FilePath executable;
if (PathService::Get(base::FILE_EXE, &executable) &&
executable.value().size() >= 3) {
std::string last_three =
executable.value().substr(executable.value().size() - 3);
if (last_three == " EH") {
CHECK(process_type == switches::kPluginProcess ||
process_type == switches::kUtilityProcess)
<< "Executable-heap process requires --type="
<< switches::kPluginProcess << " or "
<< switches::kUtilityProcess << ", saw " << process_type;
} else if (last_three == " NP") {
CHECK_EQ(switches::kNaClLoaderProcess, process_type)
<< "Non-PIE process requires --type="
<< switches::kNaClLoaderProcess << ", saw " << process_type;
} else {
CHECK(process_type != switches::kPluginProcess &&
process_type != switches::kNaClLoaderProcess)
<< "Non-executable-heap PIE process is intolerant of --type="
<< switches::kPluginProcess << " and "
<< switches::kNaClLoaderProcess << ", saw " << process_type;
}
}
} else {
CHECK(!command_line.HasSwitch(switches::kProcessType) &&
process_type.empty())
<< "Main application forbids --type, saw " << process_type;
}
if (breakpad::IsCrashReporterEnabled())
breakpad::InitCrashProcessInfo(process_type);
}
#endif // defined(OS_MACOSX)
void ChromeMainDelegate::PreSandboxStartup() {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
std::string process_type =
command_line.GetSwitchValueASCII(switches::kProcessType);
#if defined(OS_POSIX)
breakpad::SetBreakpadClient(g_chrome_breakpad_client.Pointer());
#endif
#if defined(OS_MACOSX)
// On the Mac, the child executable lives at a predefined location within
// the app bundle's versioned directory.
PathService::Override(content::CHILD_PROCESS_EXE,
chrome::GetVersionedDirectory().
Append(chrome::kHelperProcessExecutablePath));
InitMacCrashReporter(command_line, process_type);
#endif
#if defined(OS_WIN)
child_process_logging::Init();
#endif
// Initialize the user data dir for any process type that needs it.
if (chrome::ProcessNeedsProfileDir(process_type))
InitializeUserDataDir();
stats_counter_timer_.reset(new base::StatsCounterTimer("Chrome.Init"));
startup_timer_.reset(new base::StatsScope<base::StatsCounterTimer>
(*stats_counter_timer_));
// Enable the heap profiler as early as possible!
EnableHeapProfiler(command_line);
// Enable Message Loop related state asap.
if (command_line.HasSwitch(switches::kMessageLoopHistogrammer))
base::MessageLoop::EnableHistogrammer(true);
#if !defined(OS_ANDROID)
// Android does InitLogging when library is loaded. Skip here.
logging::OldFileDeletionState file_state =
logging::APPEND_TO_OLD_LOG_FILE;
if (process_type.empty()) {
file_state = logging::DELETE_OLD_LOG_FILE;
}
logging::InitChromeLogging(command_line, file_state);
#endif
#if defined(OS_WIN)
// TODO(darin): Kill this once http://crbug.com/52609 is fixed.
ui::SetResourcesDataDLL(_AtlBaseModule.GetResourceInstance());
#endif
if (SubprocessNeedsResourceBundle(process_type)) {
// Initialize ResourceBundle which handles files loaded from external
// sources. The language should have been passed in to us from the
// browser process as a command line flag.
#if defined(DISABLE_NACL)
DCHECK(command_line.HasSwitch(switches::kLang) ||
process_type == switches::kZygoteProcess ||
process_type == switches::kGpuProcess ||
process_type == switches::kPpapiBrokerProcess ||
process_type == switches::kPpapiPluginProcess);
#else
DCHECK(command_line.HasSwitch(switches::kLang) ||
process_type == switches::kZygoteProcess ||
process_type == switches::kGpuProcess ||
process_type == switches::kNaClLoaderProcess ||
process_type == switches::kPpapiBrokerProcess ||
process_type == switches::kPpapiPluginProcess);
#endif
// TODO(markusheintz): The command line flag --lang is actually processed
// by the CommandLinePrefStore, and made available through the PrefService
// via the preference prefs::kApplicationLocale. The browser process uses
// the --lang flag to pass the value of the PrefService in here. Maybe
// this value could be passed in a different way.
const std::string locale =
command_line.GetSwitchValueASCII(switches::kLang);
#if defined(OS_ANDROID)
// The renderer sandbox prevents us from accessing our .pak files directly.
// Therefore file descriptors to the .pak files that we need are passed in
// at process creation time.
int locale_pak_fd = base::GlobalDescriptors::GetInstance()->MaybeGet(
kAndroidLocalePakDescriptor);
CHECK(locale_pak_fd != -1);
ResourceBundle::InitSharedInstanceWithPakFile(base::File(locale_pak_fd),
false);
int extra_pak_keys[] = {
kAndroidChrome100PercentPakDescriptor,
kAndroidUIResourcesPakDescriptor,
};
for (size_t i = 0; i < arraysize(extra_pak_keys); ++i) {
int pak_fd =
base::GlobalDescriptors::GetInstance()->MaybeGet(extra_pak_keys[i]);
CHECK(pak_fd != -1);
ResourceBundle::GetSharedInstance().AddDataPackFromFile(
base::File(pak_fd), ui::SCALE_FACTOR_100P);
}
base::i18n::SetICUDefaultLocale(locale);
const std::string loaded_locale = locale;
#else
const std::string loaded_locale =
ResourceBundle::InitSharedInstanceWithLocale(locale, NULL);
base::FilePath resources_pack_path;
PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
ResourceBundle::GetSharedInstance().AddDataPackFromPath(
resources_pack_path, ui::SCALE_FACTOR_NONE);
#endif
CHECK(!loaded_locale.empty()) << "Locale could not be found for " <<
locale;
#if !defined(CHROME_MULTIPLE_DLL_BROWSER)
if (process_type == switches::kUtilityProcess ||
process_type == switches::kZygoteProcess) {
chrome::ChromeContentUtilityClient::PreSandboxStartup();
}
#endif
}
#if defined(OS_POSIX) && !defined(OS_MACOSX)
// Zygote needs to call InitCrashReporter() in RunZygote().
if (process_type != switches::kZygoteProcess) {
#if defined(OS_ANDROID)
if (process_type.empty())
breakpad::InitCrashReporter(process_type);
else
breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
#else // !defined(OS_ANDROID)
breakpad::InitCrashReporter(process_type);
#endif // defined(OS_ANDROID)
}
#endif // defined(OS_POSIX) && !defined(OS_MACOSX)
// After all the platform Breakpads have been initialized, store the command
// line for crash reporting.
crash_keys::SetSwitchesFromCommandLine(&command_line);
}
void ChromeMainDelegate::SandboxInitialized(const std::string& process_type) {
startup_timer_->Stop(); // End of Startup Time Measurement.
// Note: If you are adding a new process type below, be sure to adjust the
// AdjustLinuxOOMScore function too.
#if defined(OS_LINUX)
AdjustLinuxOOMScore(process_type);
#endif
#if defined(OS_WIN)
SuppressWindowsErrorDialogs();
#endif
}
int ChromeMainDelegate::RunProcess(
const std::string& process_type,
const content::MainFunctionParams& main_function_params) {
// ANDROID doesn't support "service", so no ServiceProcessMain, and arraysize
// doesn't support empty array. So we comment out the block for Android.
#if !defined(OS_ANDROID)
static const MainFunction kMainFunctions[] = {
#if defined(ENABLE_FULL_PRINTING) && !defined(CHROME_MULTIPLE_DLL_CHILD)
{ switches::kServiceProcess, ServiceProcessMain },
#endif
#if defined(OS_MACOSX)
{ switches::kRelauncherProcess,
mac_relauncher::internal::RelauncherMain },
#endif
// This entry is not needed on Linux, where the NaCl loader
// process is launched via nacl_helper instead.
#if !defined(DISABLE_NACL) && !defined(CHROME_MULTIPLE_DLL_BROWSER) && \
!defined(OS_LINUX)
{ switches::kNaClLoaderProcess, NaClMain },
#else
{ "<invalid>", NULL }, // To avoid constant array of size 0
// when DISABLE_NACL and CHROME_MULTIPLE_DLL_CHILD
#endif // DISABLE_NACL
};
for (size_t i = 0; i < arraysize(kMainFunctions); ++i) {
if (process_type == kMainFunctions[i].name)
return kMainFunctions[i].function(main_function_params);
}
#endif
return -1;
}
void ChromeMainDelegate::ProcessExiting(const std::string& process_type) {
if (SubprocessNeedsResourceBundle(process_type))
ResourceBundle::CleanupSharedInstance();
#if !defined(OS_ANDROID)
logging::CleanupChromeLogging();
#else
// Android doesn't use InitChromeLogging, so we close the log file manually.
logging::CloseLogFile();
#endif // !defined(OS_ANDROID)
}
#if defined(OS_MACOSX)
bool ChromeMainDelegate::ProcessRegistersWithSystemProcess(
const std::string& process_type) {
return process_type == switches::kNaClLoaderProcess;
}
bool ChromeMainDelegate::ShouldSendMachPort(const std::string& process_type) {
return process_type != switches::kRelauncherProcess &&
process_type != switches::kServiceProcess;
}
bool ChromeMainDelegate::DelaySandboxInitialization(
const std::string& process_type) {
// NaClLoader does this in NaClMainPlatformDelegate::EnableSandbox().
// No sandbox needed for relauncher.
return process_type == switches::kNaClLoaderProcess ||
process_type == switches::kRelauncherProcess;
}
#elif defined(OS_POSIX) && !defined(OS_ANDROID)
content::ZygoteForkDelegate* ChromeMainDelegate::ZygoteStarting() {
#if defined(DISABLE_NACL)
return NULL;
#else
return new NaClForkDelegate();
#endif
}
void ChromeMainDelegate::ZygoteForked() {
Profiling::ProcessStarted();
if (Profiling::BeingProfiled()) {
base::debug::RestartProfilingAfterFork();
SetUpProfilingShutdownHandler();
}
// Needs to be called after we have chrome::DIR_USER_DATA. BrowserMain sets
// this up for the browser process in a different manner.
const CommandLine* command_line = CommandLine::ForCurrentProcess();
std::string process_type =
command_line->GetSwitchValueASCII(switches::kProcessType);
breakpad::InitCrashReporter(process_type);
// Reset the command line for the newly spawned process.
crash_keys::SetSwitchesFromCommandLine(command_line);
}
#endif // OS_MACOSX
content::ContentBrowserClient*
ChromeMainDelegate::CreateContentBrowserClient() {
#if defined(CHROME_MULTIPLE_DLL_CHILD)
return NULL;
#else
return g_chrome_content_browser_client.Pointer();
#endif
}
content::ContentPluginClient* ChromeMainDelegate::CreateContentPluginClient() {
#if defined(CHROME_MULTIPLE_DLL_BROWSER)
return NULL;
#else
return g_chrome_content_plugin_client.Pointer();
#endif
}
content::ContentRendererClient*
ChromeMainDelegate::CreateContentRendererClient() {
#if defined(CHROME_MULTIPLE_DLL_BROWSER)
return NULL;
#else
return g_chrome_content_renderer_client.Pointer();
#endif
}
content::ContentUtilityClient*
ChromeMainDelegate::CreateContentUtilityClient() {
#if defined(CHROME_MULTIPLE_DLL_BROWSER)
return NULL;
#else
return g_chrome_content_utility_client.Pointer();
#endif
}