Merge "init: Shutdown services and umount partitions" into main (8e185dd3) · Commits · e / os / android_system_core

init/reboot.cpp

+14 −0

Original line number	Diff line number	Diff line
		@@ -268,6 +268,19 @@ static void DumpUmountDebuggingInfo() {
		}

		static UmountStat UmountPartitions(std::chrono::milliseconds timeout) {
		// Terminate (SIGTERM) the services before unmounting partitions.
		// If the processes block the signal, then partitions will eventually fail
		// to unmount and then we fallback to SIGKILL the services.
		//
		// Hence, give the services a chance for a graceful shutdown before sending SIGKILL.
		for (const auto& s : ServiceList::GetInstance()) {
		if (s->IsShutdownCritical()) {
		LOG(INFO) << "Shutdown service: " << s->name();
		s->Terminate();
		}
		}
		ReapAnyOutstandingChildren();

		Timer t;
		/* data partition needs all pending writes to be completed and all emulated partitions
		* umounted.If the current waiting is not good enough, give
		@@ -815,6 +828,7 @@ static void DoReboot(unsigned int cmd, const std::string& reason, const std::str
		if (IsDataMounted("f2fs")) {
		uint32_t flag = F2FS_GOING_DOWN_FULLSYNC;
		unique_fd fd(TEMP_FAILURE_RETRY(open("/data", O_RDONLY)));
		LOG(INFO) << "Invoking F2FS_IOC_SHUTDOWN during shutdown";
		int ret = ioctl(fd.get(), F2FS_IOC_SHUTDOWN, &flag);
		if (ret) {
		PLOG(ERROR) << "Shutdown /data: ";