190 lines
7.3 KiB
Diff
190 lines
7.3 KiB
Diff
diff --git base/process/set_process_title.cc base/process/set_process_title.cc
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index 79ba3ac1913f8..46bcb4366d2f8 100644
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--- base/process/set_process_title.cc
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+++ base/process/set_process_title.cc
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@@ -54,7 +54,7 @@ void SetProcessTitleFromCommandLine(const char** main_argv) {
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bool have_argv0 = false;
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#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
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- DCHECK_EQ(base::PlatformThread::CurrentId(), getpid());
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+ // DCHECK_EQ(base::PlatformThread::CurrentId(), getpid());
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if (main_argv)
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setproctitle_init(main_argv);
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diff --git content/app/content_main.cc content/app/content_main.cc
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index c37f18d794ae2..fd360f7698bcf 100644
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--- content/app/content_main.cc
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+++ content/app/content_main.cc
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@@ -194,11 +194,8 @@ ContentMainParams::~ContentMainParams() = default;
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ContentMainParams::ContentMainParams(ContentMainParams&&) = default;
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ContentMainParams& ContentMainParams::operator=(ContentMainParams&&) = default;
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-// This function must be marked with NO_STACK_PROTECTOR or it may crash on
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-// return, see the --change-stack-guard-on-fork command line flag.
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-NO_STACK_PROTECTOR int RunContentProcess(
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- ContentMainParams params,
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- ContentMainRunner* content_main_runner) {
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+int ContentMainInitialize(ContentMainParams params,
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+ ContentMainRunner* content_main_runner) {
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base::FeatureList::FailOnFeatureAccessWithoutFeatureList();
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#if BUILDFLAG(IS_CHROMEOS_LACROS)
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// Lacros is launched with inherited priority. Revert to normal priority
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@@ -206,9 +203,6 @@ NO_STACK_PROTECTOR int RunContentProcess(
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base::PlatformThread::SetCurrentThreadType(base::ThreadType::kDefault);
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#endif
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int exit_code = -1;
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-#if BUILDFLAG(IS_MAC)
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- base::apple::ScopedNSAutoreleasePool autorelease_pool;
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-#endif
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// A flag to indicate whether Main() has been called before. On Android, we
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// may re-run Main() without restarting the browser process. This flag
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@@ -287,7 +281,9 @@ NO_STACK_PROTECTOR int RunContentProcess(
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// default, "C", locale.
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setlocale(LC_NUMERIC, "C");
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- SetupSignalHandlers();
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+ if (!params.disable_signal_handlers) {
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+ SetupSignalHandlers();
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+ }
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#endif
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#if BUILDFLAG(IS_WIN)
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@@ -295,14 +291,6 @@ NO_STACK_PROTECTOR int RunContentProcess(
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#endif
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#if BUILDFLAG(IS_MAC)
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- // We need this pool for all the objects created before we get to the event
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- // loop, but we don't want to leave them hanging around until the app quits.
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- // Each "main" needs to flush this pool right before it goes into its main
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- // event loop to get rid of the cruft. TODO(crbug.com/40260311): This
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- // is not safe. Each main loop should create and destroy its own pool; it
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- // should not be flushing the pool at the base of the autorelease pool
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- // stack.
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- params.autorelease_pool = &autorelease_pool;
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InitializeMac();
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#endif
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@@ -353,12 +341,44 @@ NO_STACK_PROTECTOR int RunContentProcess(
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if (IsSubprocess())
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CommonSubprocessInit();
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- exit_code = content_main_runner->Run();
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+ return exit_code;
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+}
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+
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+// This function must be marked with NO_STACK_PROTECTOR or it may crash on
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+// return, see the --change-stack-guard-on-fork command line flag.
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+NO_STACK_PROTECTOR int ContentMainRun(ContentMainRunner* content_main_runner) {
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+ return content_main_runner->Run();
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+}
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+
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+void ContentMainShutdown(ContentMainRunner* content_main_runner) {
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#if !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_IOS)
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content_main_runner->Shutdown();
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#endif
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+}
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+
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+// This function must be marked with NO_STACK_PROTECTOR or it may crash on
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+// return, see the --change-stack-guard-on-fork command line flag.
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+NO_STACK_PROTECTOR int RunContentProcess(ContentMainParams params,
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+ ContentMainRunner* content_main_runner) {
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+#if BUILDFLAG(IS_MAC)
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+ // We need this pool for all the objects created before we get to the event
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+ // loop, but we don't want to leave them hanging around until the app quits.
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+ // Each "main" needs to flush this pool right before it goes into its main
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+ // event loop to get rid of the cruft. TODO(https://crbug.com/1424190): This
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+ // is not safe. Each main loop should create and destroy its own pool; it
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+ // should not be flushing the pool at the base of the autorelease pool
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+ // stack.
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+ base::apple::ScopedNSAutoreleasePool autorelease_pool;
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+ params.autorelease_pool = &autorelease_pool;
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+#endif
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+
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+ int exit_code = ContentMainInitialize(std::move(params), content_main_runner);
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+ if (exit_code >= 0)
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+ return exit_code;
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+ exit_code = ContentMainRun(content_main_runner);
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+ ContentMainShutdown(content_main_runner);
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return exit_code;
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}
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diff --git content/app/content_main_runner_impl.cc content/app/content_main_runner_impl.cc
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index 93957c7a15594..8e3e18a9c8992 100644
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--- content/app/content_main_runner_impl.cc
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+++ content/app/content_main_runner_impl.cc
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@@ -52,6 +52,7 @@
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#include "base/task/thread_pool/thread_pool_instance.h"
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#include "base/threading/hang_watcher.h"
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#include "base/threading/platform_thread.h"
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+#include "base/threading/thread_restrictions.h"
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#include "base/time/time.h"
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#include "base/trace_event/trace_event.h"
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#include "build/build_config.h"
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@@ -1349,6 +1350,11 @@ void ContentMainRunnerImpl::Shutdown() {
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is_shutdown_ = true;
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}
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+void ContentMainRunnerImpl::ShutdownOnUIThread() {
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+ base::ScopedAllowBaseSyncPrimitivesForTesting allow_wait;
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+ discardable_shared_memory_manager_.reset();
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+}
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+
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// static
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std::unique_ptr<ContentMainRunner> ContentMainRunner::Create() {
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return ContentMainRunnerImpl::Create();
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diff --git content/app/content_main_runner_impl.h content/app/content_main_runner_impl.h
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index cbbc2f3ec12fa..f097b3cdded2f 100644
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--- content/app/content_main_runner_impl.h
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+++ content/app/content_main_runner_impl.h
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@@ -27,7 +27,7 @@ class DiscardableSharedMemoryManager;
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namespace content {
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class MojoIpcSupport;
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-class ContentMainRunnerImpl : public ContentMainRunner {
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+class CONTENT_EXPORT ContentMainRunnerImpl : public ContentMainRunner {
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public:
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static std::unique_ptr<ContentMainRunnerImpl> Create();
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@@ -46,6 +46,8 @@ class ContentMainRunnerImpl : public ContentMainRunner {
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int Run() override;
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void Shutdown() override;
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+ void ShutdownOnUIThread();
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+
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private:
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int RunBrowser(MainFunctionParams main_function_params,
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bool start_minimal_browser);
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diff --git content/public/app/content_main.h content/public/app/content_main.h
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index 7f9b515297357..5606867e43780 100644
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--- content/public/app/content_main.h
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+++ content/public/app/content_main.h
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@@ -66,6 +66,11 @@ struct CONTENT_EXPORT ContentMainParams {
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// are left uninitialized.
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bool minimal_browser_mode = false;
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+#if BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_ANDROID)
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+ // Indicates whether to disable signal handlers
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+ bool disable_signal_handlers = false;
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+#endif
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+
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#if BUILDFLAG(IS_MAC)
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// The outermost autorelease pool to pass to main entry points.
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STACK_ALLOCATED_IGNORE("https://crbug.com/1424190")
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@@ -94,6 +99,13 @@ struct CONTENT_EXPORT ContentMainParams {
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}
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};
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+// Split RunContentProcess() into separate stages.
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+CONTENT_EXPORT int ContentMainInitialize(
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+ ContentMainParams params,
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+ ContentMainRunner* content_main_runner);
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+CONTENT_EXPORT int ContentMainRun(ContentMainRunner* content_main_runner);
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+CONTENT_EXPORT void ContentMainShutdown(ContentMainRunner* content_main_runner);
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+
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CONTENT_EXPORT int RunContentProcess(ContentMainParams params,
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ContentMainRunner* content_main_runner);
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