Merge "init: remove the class_{start,reset}_post_data commands" am: e2b03b92c1 (3498f8a5) · Commits · e / os / android_system_core

init/README.md

+1 −11

Original line number	Diff line number	Diff line
		@@ -487,11 +487,6 @@ Commands
		not already running. See the start entry for more information on
		starting services.

		`class_start_post_data <serviceclass>`
		> Like `class_start`, but only considers services that were started
		after /data was mounted, and that were running at the time
		`class_reset_post_data` was called. Only used for FDE devices.

		`class_stop <serviceclass>`
		> Stop and disable all services of the specified class if they are
		currently running.
		@@ -501,10 +496,6 @@ Commands
		currently running, without disabling them. They can be restarted
		later using `class_start`.

		`class_reset_post_data <serviceclass>`
		> Like `class_reset`, but only considers services that were started
		after /data was mounted. Only used for FDE devices.

		`class_restart <serviceclass>`
		> Restarts all services of the specified class.

		@@ -607,8 +598,7 @@ provides the `aidl_lazy_test_1` interface.
		Properties are expanded within _level_.

		`mark_post_data`
		> Used to mark the point right after /data is mounted. Used to implement the
		`class_reset_post_data` and `class_start_post_data` commands.
		> Used to mark the point right after /data is mounted.

		`mkdir <path> [<mode>] [<owner>] [<group>] [encryption=<action>] [key=<key>]`
		> Create a directory at _path_, optionally with the given mode, owner, and

init/builtins.cpp

+0 −38

Original line number	Diff line number	Diff line
		@@ -46,7 +46,6 @@
		#include <map>
		#include <memory>

		#include <ApexProperties.sysprop.h>
		#include <InitProperties.sysprop.h>
		#include <android-base/chrono_utils.h>
		#include <android-base/file.h>
		@@ -177,28 +176,6 @@ static Result<void> do_class_start(const BuiltinArguments& args) {
		return {};
		}

		static Result<void> do_class_start_post_data(const BuiltinArguments& args) {
		if (args.context != kInitContext) {
		return Error() << "command 'class_start_post_data' only available in init context";
		}
		static bool is_apex_updatable = android::sysprop::ApexProperties::updatable().value_or(false);

		if (!is_apex_updatable) {
		// No need to start these on devices that don't support APEX, since they're not
		// stopped either.
		return {};
		}
		for (const auto& service : ServiceList::GetInstance()) {
		if (service->classnames().count(args[1])) {
		if (auto result = service->StartIfPostData(); !result.ok()) {
		LOG(ERROR) << "Could not start service '" << service->name()
		<< "' as part of class '" << args[1] << "': " << result.error();
		}
		}
		}
		return {};
		}

		static Result<void> do_class_stop(const BuiltinArguments& args) {
		ForEachServiceInClass(args[1], &Service::Stop);
		return {};
		@@ -209,19 +186,6 @@ static Result<void> do_class_reset(const BuiltinArguments& args) {
		return {};
		}

		static Result<void> do_class_reset_post_data(const BuiltinArguments& args) {
		if (args.context != kInitContext) {
		return Error() << "command 'class_reset_post_data' only available in init context";
		}
		static bool is_apex_updatable = android::sysprop::ApexProperties::updatable().value_or(false);
		if (!is_apex_updatable) {
		// No need to stop these on devices that don't support APEX.
		return {};
		}
		ForEachServiceInClass(args[1], &Service::ResetIfPostData);
		return {};
		}

		static Result<void> do_class_restart(const BuiltinArguments& args) {
		// Do not restart a class if it has a property persist.dont_start_class.CLASS set to 1.
		if (android::base::GetBoolProperty("persist.init.dont_start_class." + args[1], false))
		@@ -1428,10 +1392,8 @@ const BuiltinFunctionMap& GetBuiltinFunctionMap() {
		{"chmod", {2, 2, {true, do_chmod}}},
		{"chown", {2, 3, {true, do_chown}}},
		{"class_reset", {1, 1, {false, do_class_reset}}},
		{"class_reset_post_data", {1, 1, {false, do_class_reset_post_data}}},
		{"class_restart", {1, 1, {false, do_class_restart}}},
		{"class_start", {1, 1, {false, do_class_start}}},
		{"class_start_post_data", {1, 1, {false, do_class_start_post_data}}},
		{"class_stop", {1, 1, {false, do_class_stop}}},
		{"copy", {2, 2, {true, do_copy}}},
		{"copy_per_line", {2, 2, {true, do_copy_per_line}}},

init/service.cpp

+0 −19

Original line number	Diff line number	Diff line
		@@ -661,25 +661,6 @@ void Service::Reset() {
		StopOrReset(SVC_RESET);
		}

		void Service::ResetIfPostData() {
		if (post_data_) {
		if (flags_ & SVC_RUNNING) {
		running_at_post_data_reset_ = true;
		}
		StopOrReset(SVC_RESET);
		}
		}

		Result<void> Service::StartIfPostData() {
		// Start the service, but only if it was started after /data was mounted,
		// and it was still running when we reset the post-data services.
		if (running_at_post_data_reset_) {
		return Start();
		}

		return {};
		}

		void Service::Stop() {
		StopOrReset(SVC_DISABLED);
		}

init/service.h

+0 −4

Original line number	Diff line number	Diff line
		@@ -80,10 +80,8 @@ class Service {
		Result<void> ExecStart();
		Result<void> Start();
		Result<void> StartIfNotDisabled();
		Result<void> StartIfPostData();
		Result<void> Enable();
		void Reset();
		void ResetIfPostData();
		void Stop();
		void Terminate();
		void Timeout();
		@@ -214,8 +212,6 @@ class Service {

		bool post_data_ = false;

		bool running_at_post_data_reset_ = false;

		std::optional<std::string> on_failure_reboot_target_;

		bool from_apex_ = false;