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.
5 #include "chrome/app/chrome_main_delegate.h"
7 #include "base/command_line.h"
8 #include "base/files/file_path.h"
9 #include "base/i18n/rtl.h"
10 #include "base/lazy_instance.h"
11 #include "base/message_loop/message_loop.h"
12 #include "base/metrics/statistics_recorder.h"
13 #include "base/metrics/stats_counters.h"
14 #include "base/path_service.h"
15 #include "base/process/memory.h"
16 #include "base/process/process_handle.h"
17 #include "base/strings/string_util.h"
18 #include "build/build_config.h"
19 #include "chrome/browser/chrome_content_browser_client.h"
20 #include "chrome/browser/defaults.h"
21 #include "chrome/common/chrome_constants.h"
22 #include "chrome/common/chrome_content_client.h"
23 #include "chrome/common/chrome_paths.h"
24 #include "chrome/common/chrome_paths_internal.h"
25 #include "chrome/common/chrome_switches.h"
26 #include "chrome/common/chrome_version_info.h"
27 #include "chrome/common/crash_keys.h"
28 #include "chrome/common/logging_chrome.h"
29 #include "chrome/common/profiling.h"
30 #include "chrome/common/switch_utils.h"
31 #include "chrome/common/url_constants.h"
32 #include "chrome/plugin/chrome_content_plugin_client.h"
33 #include "chrome/renderer/chrome_content_renderer_client.h"
34 #include "chrome/utility/chrome_content_utility_client.h"
35 #include "components/nacl/common/nacl_switches.h"
36 #include "components/startup_metric_utils/startup_metric_utils.h"
37 #include "content/public/common/content_client.h"
38 #include "content/public/common/content_paths.h"
39 #include "ui/base/ui_base_switches.h"
45 #include "base/strings/string_util.h"
46 #include "chrome/common/child_process_logging.h"
47 #include "sandbox/win/src/sandbox.h"
48 #include "tools/memory_watcher/memory_watcher.h"
49 #include "ui/base/resource/resource_bundle_win.h"
52 #if defined(OS_MACOSX)
53 #include "base/mac/mac_util.h"
54 #include "base/mac/os_crash_dumps.h"
55 #include "chrome/app/chrome_main_mac.h"
56 #include "chrome/browser/mac/relauncher.h"
57 #include "chrome/common/chrome_paths_internal.h"
58 #include "chrome/common/mac/cfbundle_blocker.h"
59 #include "chrome/common/mac/objc_zombie.h"
60 #include "components/breakpad/app/breakpad_mac.h"
61 #include "grit/chromium_strings.h"
62 #include "ui/base/l10n/l10n_util_mac.h"
68 #include "chrome/app/chrome_breakpad_client.h"
69 #include "components/breakpad/app/breakpad_client.h"
72 #if !defined(DISABLE_NACL) && defined(OS_LINUX)
73 #include "components/nacl/common/nacl_paths.h"
74 #include "components/nacl/zygote/nacl_fork_delegate_linux.h"
77 #if defined(OS_CHROMEOS)
78 #include "base/sys_info.h"
79 #include "chrome/browser/chromeos/boot_times_loader.h"
80 #include "chromeos/chromeos_paths.h"
81 #include "chromeos/chromeos_switches.h"
84 #if defined(OS_ANDROID)
85 #include "chrome/common/descriptors_android.h"
87 // Diagnostics is only available on non-android platforms.
88 #include "chrome/browser/diagnostics/diagnostics_controller.h"
89 #include "chrome/browser/diagnostics/diagnostics_writer.h"
95 #include "ui/base/x/x11_util.h"
98 #if defined(OS_POSIX) && !defined(OS_MACOSX)
99 #include "components/breakpad/app/breakpad_linux.h"
102 #if defined(OS_LINUX)
103 #include "base/environment.h"
106 #if defined(OS_MACOSX) || defined(OS_WIN)
107 #include "chrome/browser/policy/policy_path_parser.h"
110 #if !defined(CHROME_MULTIPLE_DLL_CHILD)
111 base::LazyInstance<chrome::ChromeContentBrowserClient>
112 g_chrome_content_browser_client = LAZY_INSTANCE_INITIALIZER;
115 #if !defined(CHROME_MULTIPLE_DLL_BROWSER)
116 base::LazyInstance<ChromeContentRendererClient>
117 g_chrome_content_renderer_client = LAZY_INSTANCE_INITIALIZER;
118 base::LazyInstance<chrome::ChromeContentUtilityClient>
119 g_chrome_content_utility_client = LAZY_INSTANCE_INITIALIZER;
120 base::LazyInstance<chrome::ChromeContentPluginClient>
121 g_chrome_content_plugin_client = LAZY_INSTANCE_INITIALIZER;
124 #if defined(OS_POSIX)
125 base::LazyInstance<chrome::ChromeBreakpadClient>::Leaky
126 g_chrome_breakpad_client = LAZY_INSTANCE_INITIALIZER;
129 extern int NaClMain(const content::MainFunctionParams&);
130 extern int ServiceProcessMain(const content::MainFunctionParams&);
135 const wchar_t kProfilingDll[] = L"memory_watcher.dll";
137 // Load the memory profiling DLL. All it needs to be activated
138 // is to be loaded. Return true on success, false otherwise.
139 bool LoadMemoryProfiler() {
140 HMODULE prof_module = LoadLibrary(kProfilingDll);
141 return prof_module != NULL;
144 // Early versions of Chrome incorrectly registered a chromehtml: URL handler,
145 // which gives us nothing but trouble. Avoid launching chrome this way since
146 // some apps fail to properly escape arguments.
147 bool HasDeprecatedArguments(const std::wstring& command_line) {
148 const wchar_t kChromeHtml[] = L"chromehtml:";
149 std::wstring command_line_lower = command_line;
150 // We are only searching for ASCII characters so this is OK.
151 StringToLowerASCII(&command_line_lower);
152 std::wstring::size_type pos = command_line_lower.find(kChromeHtml);
153 return (pos != std::wstring::npos);
156 // If we try to access a path that is not currently available, we want the call
157 // to fail rather than show an error dialog.
158 void SuppressWindowsErrorDialogs() {
159 UINT new_flags = SEM_FAILCRITICALERRORS |
160 SEM_NOOPENFILEERRORBOX;
162 // Preserve existing error mode.
163 UINT existing_flags = SetErrorMode(new_flags);
164 SetErrorMode(existing_flags | new_flags);
167 #endif // defined(OS_WIN)
169 #if defined(OS_LINUX)
170 static void AdjustLinuxOOMScore(const std::string& process_type) {
171 // Browsers and zygotes should still be killable, but killed last.
172 const int kZygoteScore = 0;
173 // The minimum amount to bump a score by. This is large enough that
174 // even if it's translated into the old values, it will still go up
176 const int kScoreBump = 100;
177 // This is the lowest score that renderers and extensions start with
178 // in the OomPriorityManager.
179 const int kRendererScore = chrome::kLowestRendererOomScore;
180 // For "miscellaneous" things, we want them after renderers,
181 // but before plugins.
182 const int kMiscScore = kRendererScore - kScoreBump;
183 // We want plugins to die after the renderers.
184 const int kPluginScore = kMiscScore - kScoreBump;
187 DCHECK(kMiscScore > 0);
188 DCHECK(kPluginScore > 0);
190 if (process_type == switches::kPluginProcess ||
191 process_type == switches::kPpapiPluginProcess) {
192 score = kPluginScore;
193 } else if (process_type == switches::kPpapiBrokerProcess) {
194 // The broker should be killed before the PPAPI plugin.
195 score = kPluginScore + kScoreBump;
196 } else if (process_type == switches::kUtilityProcess ||
197 process_type == switches::kWorkerProcess ||
198 process_type == switches::kGpuProcess ||
199 process_type == switches::kServiceProcess) {
202 } else if (process_type == switches::kNaClLoaderProcess) {
203 score = kPluginScore;
205 } else if (process_type == switches::kZygoteProcess ||
206 process_type.empty()) {
207 // For zygotes and unlabeled process types, we want to still make
208 // them killable by the OOM killer.
209 score = kZygoteScore;
210 } else if (process_type == switches::kRendererProcess) {
211 LOG(WARNING) << "process type 'renderer' "
212 << "should be created through the zygote.";
213 // When debugging, this process type can end up being run directly, but
214 // this isn't the typical path for assigning the OOM score for it. Still,
215 // we want to assign a score that is somewhat representative for debugging.
216 score = kRendererScore;
218 NOTREACHED() << "Unknown process type";
221 base::AdjustOOMScore(base::GetCurrentProcId(), score);
223 #endif // defined(OS_LINUX)
225 // Enable the heap profiler if the appropriate command-line switch is
226 // present, bailing out of the app we can't.
227 void EnableHeapProfiler(const CommandLine& command_line) {
229 if (command_line.HasSwitch(switches::kMemoryProfiling))
230 if (!LoadMemoryProfiler())
235 // Returns true if this subprocess type needs the ResourceBundle initialized
236 // and resources loaded.
237 bool SubprocessNeedsResourceBundle(const std::string& process_type) {
239 #if defined(OS_WIN) || defined(OS_MACOSX)
240 // Windows needs resources for the default/null plugin.
241 // Mac needs them for the plugin process name.
242 process_type == switches::kPluginProcess ||
243 // Needed for scrollbar related images.
244 process_type == switches::kWorkerProcess ||
246 #if defined(OS_POSIX) && !defined(OS_MACOSX)
247 // The zygote process opens the resources for the renderers.
248 process_type == switches::kZygoteProcess ||
250 #if defined(OS_MACOSX)
251 // Mac needs them too for scrollbar related images and for sandbox
253 process_type == switches::kNaClLoaderProcess ||
254 process_type == switches::kPpapiPluginProcess ||
255 process_type == switches::kPpapiBrokerProcess ||
256 process_type == switches::kGpuProcess ||
258 process_type == switches::kRendererProcess ||
259 process_type == switches::kUtilityProcess;
262 #if defined(OS_POSIX)
263 // Check for --version and --product-version; return true if we encountered
264 // one of these switches and should exit now.
265 bool HandleVersionSwitches(const CommandLine& command_line) {
266 const chrome::VersionInfo version_info;
268 #if !defined(OS_MACOSX)
269 if (command_line.HasSwitch(switches::kProductVersion)) {
270 printf("%s\n", version_info.Version().c_str());
275 if (command_line.HasSwitch(switches::kVersion)) {
277 version_info.Name().c_str(),
278 version_info.Version().c_str(),
279 chrome::VersionInfo::GetVersionStringModifier().c_str());
286 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
287 // Show the man page if --help or -h is on the command line.
288 void HandleHelpSwitches(const CommandLine& command_line) {
289 if (command_line.HasSwitch(switches::kHelp) ||
290 command_line.HasSwitch(switches::kHelpShort)) {
291 base::FilePath binary(command_line.argv()[0]);
292 execlp("man", "man", binary.BaseName().value().c_str(), NULL);
293 PLOG(FATAL) << "execlp failed";
298 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
299 void SIGTERMProfilingShutdown(int signal) {
301 struct sigaction sigact;
302 memset(&sigact, 0, sizeof(sigact));
303 sigact.sa_handler = SIG_DFL;
304 CHECK(sigaction(SIGTERM, &sigact, NULL) == 0);
308 void SetUpProfilingShutdownHandler() {
309 struct sigaction sigact;
310 sigact.sa_handler = SIGTERMProfilingShutdown;
311 sigact.sa_flags = SA_RESETHAND;
312 sigemptyset(&sigact.sa_mask);
313 CHECK(sigaction(SIGTERM, &sigact, NULL) == 0);
315 #endif // !defined(OS_MACOSX) && !defined(OS_ANDROID)
319 struct MainFunction {
321 int (*function)(const content::MainFunctionParams&);
324 // Initializes the user data dir. Must be called before InitializeLocalState().
325 void InitializeUserDataDir() {
326 CommandLine* command_line = CommandLine::ForCurrentProcess();
327 base::FilePath user_data_dir =
328 command_line->GetSwitchValuePath(switches::kUserDataDir);
329 std::string process_type =
330 command_line->GetSwitchValueASCII(switches::kProcessType);
332 #if defined(OS_LINUX)
333 // On Linux, Chrome does not support running multiple copies under different
334 // DISPLAYs, so the profile directory can be specified in the environment to
335 // support the virtual desktop use-case.
336 if (user_data_dir.empty()) {
337 std::string user_data_dir_string;
338 scoped_ptr<base::Environment> environment(base::Environment::Create());
339 if (environment->GetVar("CHROME_USER_DATA_DIR", &user_data_dir_string) &&
340 IsStringUTF8(user_data_dir_string)) {
341 user_data_dir = base::FilePath::FromUTF8Unsafe(user_data_dir_string);
345 #if defined(OS_MACOSX) || defined(OS_WIN)
346 policy::path_parser::CheckUserDataDirPolicy(&user_data_dir);
349 const bool specified_directory_was_invalid = !user_data_dir.empty() &&
350 !PathService::OverrideAndCreateIfNeeded(chrome::DIR_USER_DATA,
351 user_data_dir, chrome::ProcessNeedsProfileDir(process_type));
352 // Save inaccessible or invalid paths so the user may be prompted later.
353 if (specified_directory_was_invalid)
354 chrome::SetInvalidSpecifiedUserDataDir(user_data_dir);
356 // Getting the user data directory can fail if the directory isn't creatable.
357 // ProcessSingleton needs a real user data directory on Mac/Linux, so it's
358 // better to fail here than fail mysteriously elsewhere.
359 CHECK(PathService::Get(chrome::DIR_USER_DATA, &user_data_dir))
360 << "Must be able to get user data directory!";
362 // Append the fallback user data directory to the commandline. Otherwise,
363 // child or service processes will attempt to use the invalid directory.
364 if (specified_directory_was_invalid)
365 command_line->AppendSwitchPath(switches::kUserDataDir, user_data_dir);
370 ChromeMainDelegate::ChromeMainDelegate() {
371 #if defined(OS_ANDROID)
372 // On Android the main entry point time is the time when the Java code starts.
373 // This happens before the shared library containing this code is even loaded.
374 // The Java startup code has recorded that time, but the C++ code can't fetch it
375 // from the Java side until it has initialized the JNI. See
376 // ChromeMainDelegateAndroid.
378 startup_metric_utils::RecordMainEntryPointTime();
382 ChromeMainDelegate::~ChromeMainDelegate() {
385 bool ChromeMainDelegate::BasicStartupComplete(int* exit_code) {
386 #if defined(OS_CHROMEOS)
387 chromeos::BootTimesLoader::Get()->SaveChromeMainStats();
390 const CommandLine& command_line = *CommandLine::ForCurrentProcess();
392 #if defined(OS_MACOSX)
393 // Give the browser process a longer treadmill, since crashes
394 // there have more impact.
395 const bool is_browser = !command_line.HasSwitch(switches::kProcessType);
396 ObjcEvilDoers::ZombieEnable(true, is_browser ? 10000 : 1000);
398 SetUpBundleOverrides();
399 chrome::common::mac::EnableCFBundleBlocker();
402 Profiling::ProcessStarted();
404 #if defined(OS_POSIX)
405 if (HandleVersionSwitches(command_line)) {
407 return true; // Got a --version switch; exit with a success error code.
409 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
410 // This will directly exit if the user asked for help.
411 HandleHelpSwitches(command_line);
416 // Must do this before any other usage of command line!
417 if (HasDeprecatedArguments(command_line.GetCommandLineString())) {
423 chrome::RegisterPathProvider();
424 #if defined(OS_CHROMEOS)
425 chromeos::RegisterPathProvider();
427 #if !defined(DISABLE_NACL) && defined(OS_LINUX)
428 nacl::RegisterPathProvider();
431 // No support for ANDROID yet as DiagnosticsController needs wchar support.
432 // TODO(gspencer): That's not true anymore, or at least there are no w-string
433 // references anymore. Not sure if that means this can be enabled on Android or
434 // not though. As there is no easily accessible command line on Android, I'm
435 // not sure this is a big deal.
436 #if !defined(OS_ANDROID) && !defined(CHROME_MULTIPLE_DLL_CHILD)
437 // If we are in diagnostics mode this is the end of the line: after the
438 // diagnostics are run the process will invariably exit.
439 if (command_line.HasSwitch(switches::kDiagnostics)) {
440 diagnostics::DiagnosticsWriter::FormatType format =
441 diagnostics::DiagnosticsWriter::HUMAN;
442 if (command_line.HasSwitch(switches::kDiagnosticsFormat)) {
443 std::string format_str =
444 command_line.GetSwitchValueASCII(switches::kDiagnosticsFormat);
445 if (format_str == "machine") {
446 format = diagnostics::DiagnosticsWriter::MACHINE;
447 } else if (format_str == "log") {
448 format = diagnostics::DiagnosticsWriter::LOG;
450 DCHECK_EQ("human", format_str);
454 diagnostics::DiagnosticsWriter writer(format);
455 *exit_code = diagnostics::DiagnosticsController::GetInstance()->Run(
456 command_line, &writer);
457 diagnostics::DiagnosticsController::GetInstance()->ClearResults();
462 #if defined(OS_CHROMEOS)
463 // If we are recovering from a crash on ChromeOS, then we will do some
464 // recovery using the diagnostics module, and then continue on. We fake up a
465 // command line to tell it that we want it to recover, and to preserve the
466 // original command line.
467 if (command_line.HasSwitch(chromeos::switches::kLoginUser) ||
468 command_line.HasSwitch(switches::kDiagnosticsRecovery)) {
470 // The statistics subsystem needs get initialized soon enough for the
471 // statistics to be collected. It's safe to call this more than once.
472 base::StatisticsRecorder::Initialize();
474 CommandLine interim_command_line(command_line.GetProgram());
475 const char* kSwitchNames[] = {switches::kUserDataDir, };
476 interim_command_line.CopySwitchesFrom(
477 command_line, kSwitchNames, arraysize(kSwitchNames));
478 interim_command_line.AppendSwitch(switches::kDiagnostics);
479 interim_command_line.AppendSwitch(switches::kDiagnosticsRecovery);
481 diagnostics::DiagnosticsWriter::FormatType format =
482 diagnostics::DiagnosticsWriter::LOG;
483 if (command_line.HasSwitch(switches::kDiagnosticsFormat)) {
484 std::string format_str =
485 command_line.GetSwitchValueASCII(switches::kDiagnosticsFormat);
486 if (format_str == "machine") {
487 format = diagnostics::DiagnosticsWriter::MACHINE;
488 } else if (format_str == "human") {
489 format = diagnostics::DiagnosticsWriter::HUMAN;
491 DCHECK_EQ("log", format_str);
495 diagnostics::DiagnosticsWriter writer(format);
496 int diagnostics_exit_code =
497 diagnostics::DiagnosticsController::GetInstance()->Run(command_line,
499 if (diagnostics_exit_code) {
500 // Diagnostics has failed somehow, so we exit.
501 *exit_code = diagnostics_exit_code;
505 // Now we run the actual recovery tasks.
506 int recovery_exit_code =
507 diagnostics::DiagnosticsController::GetInstance()->RunRecovery(
508 command_line, &writer);
510 if (recovery_exit_code) {
511 // Recovery has failed somehow, so we exit.
512 *exit_code = recovery_exit_code;
515 } else { // Not running diagnostics or recovery.
516 diagnostics::DiagnosticsController::GetInstance()->RecordRegularStartup();
520 content::SetContentClient(&chrome_content_client_);
525 #if defined(OS_MACOSX)
526 void ChromeMainDelegate::InitMacCrashReporter(const CommandLine& command_line,
527 const std::string& process_type) {
528 // TODO(mark): Right now, InitCrashReporter() needs to be called after
529 // CommandLine::Init() and chrome::RegisterPathProvider(). Ideally,
530 // Breakpad initialization could occur sooner, preferably even before the
531 // framework dylib is even loaded, to catch potential early crashes.
532 breakpad::InitCrashReporter(process_type);
535 bool is_debug_build = false;
537 bool is_debug_build = true;
540 // Details on when we enable Apple's Crash reporter.
543 // In debug mode it takes Apple's crash reporter eons to generate a crash
547 // * We only pass crashes for foreground processes to Apple's Crash
548 // reporter. At the time of this writing, that means just the Browser
550 // * If Breakpad is enabled, it will pass browser crashes to Crash Reporter
552 // * If Breakpad is disabled, we only turn on Crash Reporter for the
553 // Browser process in release mode.
554 if (!command_line.HasSwitch(switches::kDisableBreakpad)) {
555 bool disable_apple_crash_reporter = is_debug_build ||
556 base::mac::IsBackgroundOnlyProcess();
557 if (!breakpad::IsCrashReporterEnabled() && disable_apple_crash_reporter) {
558 base::mac::DisableOSCrashDumps();
562 // Mac Chrome is packaged with a main app bundle and a helper app bundle.
563 // The main app bundle should only be used for the browser process, so it
564 // should never see a --type switch (switches::kProcessType). Likewise,
565 // the helper should always have a --type switch.
567 // This check is done this late so there is already a call to
568 // base::mac::IsBackgroundOnlyProcess(), so there is no change in
569 // startup/initialization order.
571 // The helper's Info.plist marks it as a background only app.
572 if (base::mac::IsBackgroundOnlyProcess()) {
573 CHECK(command_line.HasSwitch(switches::kProcessType) &&
574 !process_type.empty())
575 << "Helper application requires --type.";
577 // In addition, some helper flavors only work with certain process types.
578 base::FilePath executable;
579 if (PathService::Get(base::FILE_EXE, &executable) &&
580 executable.value().size() >= 3) {
581 std::string last_three =
582 executable.value().substr(executable.value().size() - 3);
584 if (last_three == " EH") {
585 CHECK(process_type == switches::kPluginProcess ||
586 process_type == switches::kUtilityProcess)
587 << "Executable-heap process requires --type="
588 << switches::kPluginProcess << " or "
589 << switches::kUtilityProcess << ", saw " << process_type;
590 } else if (last_three == " NP") {
591 CHECK_EQ(switches::kNaClLoaderProcess, process_type)
592 << "Non-PIE process requires --type="
593 << switches::kNaClLoaderProcess << ", saw " << process_type;
595 CHECK(process_type != switches::kPluginProcess &&
596 process_type != switches::kNaClLoaderProcess)
597 << "Non-executable-heap PIE process is intolerant of --type="
598 << switches::kPluginProcess << " and "
599 << switches::kNaClLoaderProcess << ", saw " << process_type;
603 CHECK(!command_line.HasSwitch(switches::kProcessType) &&
604 process_type.empty())
605 << "Main application forbids --type, saw " << process_type;
608 if (breakpad::IsCrashReporterEnabled())
609 breakpad::InitCrashProcessInfo(process_type);
611 #endif // defined(OS_MACOSX)
613 void ChromeMainDelegate::PreSandboxStartup() {
614 const CommandLine& command_line = *CommandLine::ForCurrentProcess();
615 std::string process_type =
616 command_line.GetSwitchValueASCII(switches::kProcessType);
618 #if defined(OS_POSIX)
619 breakpad::SetBreakpadClient(g_chrome_breakpad_client.Pointer());
622 #if defined(OS_MACOSX)
623 // On the Mac, the child executable lives at a predefined location within
624 // the app bundle's versioned directory.
625 PathService::Override(content::CHILD_PROCESS_EXE,
626 chrome::GetVersionedDirectory().
627 Append(chrome::kHelperProcessExecutablePath));
629 InitMacCrashReporter(command_line, process_type);
633 child_process_logging::Init();
636 // Initialize the user data dir for service processes, logging, etc.
637 InitializeUserDataDir();
639 stats_counter_timer_.reset(new base::StatsCounterTimer("Chrome.Init"));
640 startup_timer_.reset(new base::StatsScope<base::StatsCounterTimer>
641 (*stats_counter_timer_));
643 // Enable the heap profiler as early as possible!
644 EnableHeapProfiler(command_line);
646 // Enable Message Loop related state asap.
647 if (command_line.HasSwitch(switches::kMessageLoopHistogrammer))
648 base::MessageLoop::EnableHistogrammer(true);
650 #if !defined(OS_ANDROID)
651 // Android does InitLogging when library is loaded. Skip here.
652 logging::OldFileDeletionState file_state =
653 logging::APPEND_TO_OLD_LOG_FILE;
654 if (process_type.empty()) {
655 file_state = logging::DELETE_OLD_LOG_FILE;
657 logging::InitChromeLogging(command_line, file_state);
661 // TODO(darin): Kill this once http://crbug.com/52609 is fixed.
662 ui::SetResourcesDataDLL(_AtlBaseModule.GetResourceInstance());
665 if (SubprocessNeedsResourceBundle(process_type)) {
666 // Initialize ResourceBundle which handles files loaded from external
667 // sources. The language should have been passed in to us from the
668 // browser process as a command line flag.
669 #if defined(DISABLE_NACL)
670 DCHECK(command_line.HasSwitch(switches::kLang) ||
671 process_type == switches::kZygoteProcess ||
672 process_type == switches::kGpuProcess ||
673 process_type == switches::kPpapiBrokerProcess ||
674 process_type == switches::kPpapiPluginProcess);
676 DCHECK(command_line.HasSwitch(switches::kLang) ||
677 process_type == switches::kZygoteProcess ||
678 process_type == switches::kGpuProcess ||
679 process_type == switches::kNaClLoaderProcess ||
680 process_type == switches::kPpapiBrokerProcess ||
681 process_type == switches::kPpapiPluginProcess);
684 // TODO(markusheintz): The command line flag --lang is actually processed
685 // by the CommandLinePrefStore, and made available through the PrefService
686 // via the preference prefs::kApplicationLocale. The browser process uses
687 // the --lang flag to pass the value of the PrefService in here. Maybe
688 // this value could be passed in a different way.
689 const std::string locale =
690 command_line.GetSwitchValueASCII(switches::kLang);
691 #if defined(OS_ANDROID)
692 // The renderer sandbox prevents us from accessing our .pak files directly.
693 // Therefore file descriptors to the .pak files that we need are passed in
694 // at process creation time.
695 int locale_pak_fd = base::GlobalDescriptors::GetInstance()->MaybeGet(
696 kAndroidLocalePakDescriptor);
697 CHECK(locale_pak_fd != -1);
698 ResourceBundle::InitSharedInstanceWithPakFile(base::File(locale_pak_fd),
701 int extra_pak_keys[] = {
702 kAndroidChrome100PercentPakDescriptor,
703 kAndroidUIResourcesPakDescriptor,
705 for (size_t i = 0; i < arraysize(extra_pak_keys); ++i) {
707 base::GlobalDescriptors::GetInstance()->MaybeGet(extra_pak_keys[i]);
709 ResourceBundle::GetSharedInstance().AddDataPackFromFile(
710 base::File(pak_fd), ui::SCALE_FACTOR_100P);
713 base::i18n::SetICUDefaultLocale(locale);
714 const std::string loaded_locale = locale;
716 const std::string loaded_locale =
717 ResourceBundle::InitSharedInstanceWithLocale(locale, NULL);
719 base::FilePath resources_pack_path;
720 PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
721 ResourceBundle::GetSharedInstance().AddDataPackFromPath(
722 resources_pack_path, ui::SCALE_FACTOR_NONE);
724 CHECK(!loaded_locale.empty()) << "Locale could not be found for " <<
727 #if !defined(CHROME_MULTIPLE_DLL_BROWSER)
728 if (process_type == switches::kUtilityProcess ||
729 process_type == switches::kZygoteProcess) {
730 chrome::ChromeContentUtilityClient::PreSandboxStartup();
735 #if defined(OS_POSIX) && !defined(OS_MACOSX)
736 // Zygote needs to call InitCrashReporter() in RunZygote().
737 if (process_type != switches::kZygoteProcess) {
738 #if defined(OS_ANDROID)
739 if (process_type.empty())
740 breakpad::InitCrashReporter(process_type);
742 breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
743 #else // !defined(OS_ANDROID)
744 breakpad::InitCrashReporter(process_type);
745 #endif // defined(OS_ANDROID)
747 #endif // defined(OS_POSIX) && !defined(OS_MACOSX)
749 // After all the platform Breakpads have been initialized, store the command
750 // line for crash reporting.
751 crash_keys::SetSwitchesFromCommandLine(&command_line);
754 void ChromeMainDelegate::SandboxInitialized(const std::string& process_type) {
755 startup_timer_->Stop(); // End of Startup Time Measurement.
757 // Note: If you are adding a new process type below, be sure to adjust the
758 // AdjustLinuxOOMScore function too.
759 #if defined(OS_LINUX)
760 AdjustLinuxOOMScore(process_type);
763 SuppressWindowsErrorDialogs();
767 int ChromeMainDelegate::RunProcess(
768 const std::string& process_type,
769 const content::MainFunctionParams& main_function_params) {
770 // ANDROID doesn't support "service", so no ServiceProcessMain, and arraysize
771 // doesn't support empty array. So we comment out the block for Android.
772 #if !defined(OS_ANDROID)
773 static const MainFunction kMainFunctions[] = {
774 #if defined(ENABLE_FULL_PRINTING) && !defined(CHROME_MULTIPLE_DLL_CHILD)
775 { switches::kServiceProcess, ServiceProcessMain },
778 #if defined(OS_MACOSX)
779 { switches::kRelauncherProcess,
780 mac_relauncher::internal::RelauncherMain },
783 // This entry is not needed on Linux, where the NaCl loader
784 // process is launched via nacl_helper instead.
785 #if !defined(DISABLE_NACL) && !defined(CHROME_MULTIPLE_DLL_BROWSER) && \
787 { switches::kNaClLoaderProcess, NaClMain },
789 { "<invalid>", NULL }, // To avoid constant array of size 0
790 // when DISABLE_NACL and CHROME_MULTIPLE_DLL_CHILD
791 #endif // DISABLE_NACL
794 for (size_t i = 0; i < arraysize(kMainFunctions); ++i) {
795 if (process_type == kMainFunctions[i].name)
796 return kMainFunctions[i].function(main_function_params);
803 void ChromeMainDelegate::ProcessExiting(const std::string& process_type) {
804 if (SubprocessNeedsResourceBundle(process_type))
805 ResourceBundle::CleanupSharedInstance();
806 #if !defined(OS_ANDROID)
807 logging::CleanupChromeLogging();
809 // Android doesn't use InitChromeLogging, so we close the log file manually.
810 logging::CloseLogFile();
811 #endif // !defined(OS_ANDROID)
814 #if defined(OS_MACOSX)
815 bool ChromeMainDelegate::ProcessRegistersWithSystemProcess(
816 const std::string& process_type) {
817 return process_type == switches::kNaClLoaderProcess;
820 bool ChromeMainDelegate::ShouldSendMachPort(const std::string& process_type) {
821 return process_type != switches::kRelauncherProcess &&
822 process_type != switches::kServiceProcess;
825 bool ChromeMainDelegate::DelaySandboxInitialization(
826 const std::string& process_type) {
827 // NaClLoader does this in NaClMainPlatformDelegate::EnableSandbox().
828 // No sandbox needed for relauncher.
829 return process_type == switches::kNaClLoaderProcess ||
830 process_type == switches::kRelauncherProcess;
832 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
833 content::ZygoteForkDelegate* ChromeMainDelegate::ZygoteStarting() {
834 #if defined(DISABLE_NACL)
837 return new NaClForkDelegate();
841 void ChromeMainDelegate::ZygoteForked() {
842 Profiling::ProcessStarted();
843 if (Profiling::BeingProfiled()) {
844 base::debug::RestartProfilingAfterFork();
845 SetUpProfilingShutdownHandler();
848 // Needs to be called after we have chrome::DIR_USER_DATA. BrowserMain sets
849 // this up for the browser process in a different manner.
850 const CommandLine* command_line = CommandLine::ForCurrentProcess();
851 std::string process_type =
852 command_line->GetSwitchValueASCII(switches::kProcessType);
853 breakpad::InitCrashReporter(process_type);
855 // Reset the command line for the newly spawned process.
856 crash_keys::SetSwitchesFromCommandLine(command_line);
861 content::ContentBrowserClient*
862 ChromeMainDelegate::CreateContentBrowserClient() {
863 #if defined(CHROME_MULTIPLE_DLL_CHILD)
866 return g_chrome_content_browser_client.Pointer();
870 content::ContentPluginClient* ChromeMainDelegate::CreateContentPluginClient() {
871 #if defined(CHROME_MULTIPLE_DLL_BROWSER)
874 return g_chrome_content_plugin_client.Pointer();
878 content::ContentRendererClient*
879 ChromeMainDelegate::CreateContentRendererClient() {
880 #if defined(CHROME_MULTIPLE_DLL_BROWSER)
883 return g_chrome_content_renderer_client.Pointer();
887 content::ContentUtilityClient*
888 ChromeMainDelegate::CreateContentUtilityClient() {
889 #if defined(CHROME_MULTIPLE_DLL_BROWSER)
892 return g_chrome_content_utility_client.Pointer();