reboot.cpp revision 2ba5c8103d0cf748fdf03c9e5be975ccc36fb56a
18d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park/* 28d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * Copyright (C) 2017 The Android Open Source Project 38d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * 48d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * Licensed under the Apache License, Version 2.0 (the "License"); 58d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * you may not use this file except in compliance with the License. 68d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * You may obtain a copy of the License at 78d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * 88d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * http://www.apache.org/licenses/LICENSE-2.0 98d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * 108d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * Unless required by applicable law or agreed to in writing, software 118d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * distributed under the License is distributed on an "AS IS" BASIS, 128d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * See the License for the specific language governing permissions and 148d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * limitations under the License. 158d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park */ 163f5eaae526413a29de899270714469c76dc91ec8Tom Cherry 173f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include "reboot.h" 183f5eaae526413a29de899270714469c76dc91ec8Tom Cherry 198d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <dirent.h> 208d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <fcntl.h> 212ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park#include <linux/fs.h> 228d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <mntent.h> 232ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park#include <selinux/selinux.h> 248d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <sys/cdefs.h> 252ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park#include <sys/ioctl.h> 268d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <sys/mount.h> 278d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <sys/reboot.h> 288d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <sys/stat.h> 298d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <sys/syscall.h> 308d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <sys/types.h> 318d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <sys/wait.h> 328d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 338d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <memory> 347830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park#include <set> 358d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <thread> 368d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <vector> 378d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 388d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <android-base/file.h> 393f5eaae526413a29de899270714469c76dc91ec8Tom Cherry#include <android-base/logging.h> 408d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <android-base/macros.h> 41ccf23537eeacfa47e5f18dd3b75089886d177c1bTom Cherry#include <android-base/properties.h> 428d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <android-base/stringprintf.h> 438d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <android-base/strings.h> 442ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park#include <android-base/unique_fd.h> 458d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <bootloader_message/bootloader_message.h> 468d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <cutils/android_reboot.h> 478d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <fs_mgr.h> 488d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include <logwrap/logwrap.h> 498d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 507830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park#include "property_service.h" 518d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park#include "service.h" 528d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 538d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkusing android::base::StringPrintf; 548d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 558d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park// represents umount status during reboot / shutdown. 568d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkenum UmountStat { 578d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park /* umount succeeded. */ 588d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park UMOUNT_STAT_SUCCESS = 0, 598d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park /* umount was not run. */ 608d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park UMOUNT_STAT_SKIPPED = 1, 618d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park /* umount failed with timeout. */ 628d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park UMOUNT_STAT_TIMEOUT = 2, 638d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park /* could not run due to error */ 648d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park UMOUNT_STAT_ERROR = 3, 658d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park /* not used by init but reserved for other part to use this to represent the 668d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park the state where umount status before reboot is not found / available. */ 678d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park UMOUNT_STAT_NOT_AVAILABLE = 4, 688d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park}; 698d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 708d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park// Utility for struct mntent 718d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkclass MountEntry { 728d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park public: 732ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park explicit MountEntry(const mntent& entry) 748d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park : mnt_fsname_(entry.mnt_fsname), 758d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park mnt_dir_(entry.mnt_dir), 768d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park mnt_type_(entry.mnt_type), 772ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park mnt_opts_(entry.mnt_opts) {} 788d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 792ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park bool Umount() { 802ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park int r = umount2(mnt_dir_.c_str(), 0); 812ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (r == 0) { 822ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park LOG(INFO) << "umounted " << mnt_fsname_ << ":" << mnt_dir_ << " opts " << mnt_opts_; 832ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park return true; 842ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } else { 852ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park PLOG(WARNING) << "cannot umount " << mnt_fsname_ << ":" << mnt_dir_ << " opts " 862ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park << mnt_opts_; 872ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park return false; 882ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } 892ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } 908d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 912ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park void DoFsck() { 922ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park int st; 932ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (IsF2Fs()) { 942ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park const char* f2fs_argv[] = { 952ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park "/system/bin/fsck.f2fs", "-f", mnt_fsname_.c_str(), 962ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park }; 972ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park android_fork_execvp_ext(arraysize(f2fs_argv), (char**)f2fs_argv, &st, true, LOG_KLOG, 982ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park true, nullptr, nullptr, 0); 992ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } else if (IsExt4()) { 1002ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park const char* ext4_argv[] = { 1012ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park "/system/bin/e2fsck", "-f", "-y", mnt_fsname_.c_str(), 1022ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park }; 1032ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park android_fork_execvp_ext(arraysize(ext4_argv), (char**)ext4_argv, &st, true, LOG_KLOG, 1042ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park true, nullptr, nullptr, 0); 1052ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } 1062ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } 1078d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1088d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park static bool IsBlockDevice(const struct mntent& mntent) { 1098d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park return android::base::StartsWith(mntent.mnt_fsname, "/dev/block"); 1108d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 1118d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1128d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park static bool IsEmulatedDevice(const struct mntent& mntent) { 1132ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park return android::base::StartsWith(mntent.mnt_fsname, "/data/"); 1148d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 1158d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1168d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park private: 1172ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park bool IsF2Fs() const { return mnt_type_ == "f2fs"; } 1182ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park 1192ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park bool IsExt4() const { return mnt_type_ == "ext4"; } 1202ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park 1218d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park std::string mnt_fsname_; 1228d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park std::string mnt_dir_; 1238d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park std::string mnt_type_; 1242ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park std::string mnt_opts_; 1258d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park}; 1268d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1278d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park// Turn off backlight while we are performing power down cleanup activities. 1288d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkstatic void TurnOffBacklight() { 1298d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park static constexpr char OFF[] = "0"; 1308d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1318d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park android::base::WriteStringToFile(OFF, "/sys/class/leds/lcd-backlight/brightness"); 1328d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1338d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park static const char backlightDir[] = "/sys/class/backlight"; 1348d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park std::unique_ptr<DIR, int (*)(DIR*)> dir(opendir(backlightDir), closedir); 1358d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park if (!dir) { 1368d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park return; 1378d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 1388d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1398d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park struct dirent* dp; 1408d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park while ((dp = readdir(dir.get())) != nullptr) { 1418d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park if (((dp->d_type != DT_DIR) && (dp->d_type != DT_LNK)) || (dp->d_name[0] == '.')) { 1428d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park continue; 1438d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 1448d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1458d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park std::string fileName = StringPrintf("%s/%s/brightness", backlightDir, dp->d_name); 1468d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park android::base::WriteStringToFile(OFF, fileName); 1478d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 1488d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park} 1498d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1508d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkstatic void ShutdownVold() { 1518d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park const char* vdc_argv[] = {"/system/bin/vdc", "volume", "shutdown"}; 1528d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park int status; 1538d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park android_fork_execvp_ext(arraysize(vdc_argv), (char**)vdc_argv, &status, true, LOG_KLOG, true, 1548d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park nullptr, nullptr, 0); 1558d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park} 1568d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1578d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkstatic void LogShutdownTime(UmountStat stat, Timer* t) { 1588d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park LOG(WARNING) << "powerctl_shutdown_time_ms:" << std::to_string(t->duration_ms()) << ":" << stat; 1598d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park} 1608d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1618d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkstatic void __attribute__((noreturn)) 1628d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young ParkRebootSystem(unsigned int cmd, const std::string& rebootTarget) { 1633cd8c6f9123883d02e1c4c146e1ef7bfcfa170a3Keun-young Park LOG(INFO) << "Reboot ending, jumping to kernel"; 1648d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park switch (cmd) { 1658d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park case ANDROID_RB_POWEROFF: 1668d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park reboot(RB_POWER_OFF); 1678d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park break; 1688d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1698d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park case ANDROID_RB_RESTART2: 1708d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park syscall(__NR_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, 1718d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park LINUX_REBOOT_CMD_RESTART2, rebootTarget.c_str()); 1728d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park break; 1738d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1748d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park case ANDROID_RB_THERMOFF: 1758d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park reboot(RB_POWER_OFF); 1768d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park break; 1778d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 1788d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // In normal case, reboot should not return. 1798d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park PLOG(FATAL) << "reboot call returned"; 1808d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park abort(); 1818d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park} 1828d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 1838d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park/* Find all read+write block devices and emulated devices in /proc/mounts 1848d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * and add them to correpsponding list. 1858d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park */ 1868d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkstatic bool FindPartitionsToUmount(std::vector<MountEntry>* blockDevPartitions, 1872ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park std::vector<MountEntry>* emulatedPartitions, bool dump) { 1888d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park std::unique_ptr<std::FILE, int (*)(std::FILE*)> fp(setmntent("/proc/mounts", "r"), endmntent); 1898d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park if (fp == nullptr) { 1908d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park PLOG(ERROR) << "Failed to open /proc/mounts"; 1918d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park return false; 1928d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 1938d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park mntent* mentry; 1948d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park while ((mentry = getmntent(fp.get())) != nullptr) { 1952ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (dump) { 1962ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park LOG(INFO) << "mount entry " << mentry->mnt_fsname << ":" << mentry->mnt_dir << " opts " 1972ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park << mentry->mnt_opts << " type " << mentry->mnt_type; 1982ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } else if (MountEntry::IsBlockDevice(*mentry) && hasmntopt(mentry, "rw")) { 1992ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park blockDevPartitions->emplace(blockDevPartitions->begin(), *mentry); 2008d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } else if (MountEntry::IsEmulatedDevice(*mentry)) { 2012ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park emulatedPartitions->emplace(emulatedPartitions->begin(), *mentry); 2028d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 2038d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 2048d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park return true; 2058d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park} 2068d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 2072ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Parkstatic void DumpUmountDebuggingInfo() { 2082ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park int status; 2092ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (!security_getenforce()) { 2102ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park LOG(INFO) << "Run lsof"; 2112ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park const char* lsof_argv[] = {"/system/bin/lsof"}; 2122ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park android_fork_execvp_ext(arraysize(lsof_argv), (char**)lsof_argv, &status, true, LOG_KLOG, 2132ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park true, nullptr, nullptr, 0); 2142ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } 2152ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park FindPartitionsToUmount(nullptr, nullptr, true); 2162ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park} 2178d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 2182ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Parkstatic UmountStat UmountPartitions(int timeoutMs) { 2192ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park Timer t; 2202ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park UmountStat stat = UMOUNT_STAT_TIMEOUT; 2212ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park int retry = 0; 2222ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park /* data partition needs all pending writes to be completed and all emulated partitions 2232ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park * umounted.If the current waiting is not good enough, give 2242ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park * up and leave it to e2fsck after reboot to fix it. 2252ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park */ 2268d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park while (true) { 2272ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park std::vector<MountEntry> block_devices; 2282ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park std::vector<MountEntry> emulated_devices; 2292ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (!FindPartitionsToUmount(&block_devices, &emulated_devices, false)) { 2302ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park return UMOUNT_STAT_ERROR; 2318d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 2322ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (block_devices.size() == 0) { 2332ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park stat = UMOUNT_STAT_SUCCESS; 2342ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park break; 2352ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } 2362ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if ((timeoutMs < t.duration_ms()) && retry > 0) { // try umount at least once 2372ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park stat = UMOUNT_STAT_TIMEOUT; 2382ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park break; 2392ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } 2402ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (emulated_devices.size() > 0 && 2412ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park std::all_of(emulated_devices.begin(), emulated_devices.end(), 2422ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park [](auto& entry) { return entry.Umount(); })) { 2432ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park sync(); 2442ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } 2452ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park for (auto& entry : block_devices) { 2462ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park entry.Umount(); 2472ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park } 2482ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park retry++; 2492ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park std::this_thread::sleep_for(100ms); 2508d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 2512ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park return stat; 2528d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park} 2538d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 2543ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Parkstatic void KillAllProcesses() { android::base::WriteStringToFile("i", "/proc/sysrq-trigger"); } 2553ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Park 2568d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park/* Try umounting all emulated file systems R/W block device cfile systems. 2578d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * This will just try umount and give it up if it fails. 2588d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * For fs like ext4, this is ok as file system will be marked as unclean shutdown 2598d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * and necessary check can be done at the next reboot. 2608d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * For safer shutdown, caller needs to make sure that 2618d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * all processes / emulated partition for the target fs are all cleaned-up. 2628d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * 2638d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park * return true when umount was successful. false when timed out. 2648d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park */ 2653ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Parkstatic UmountStat TryUmountAndFsck(bool runFsck, int timeoutMs) { 2663ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Park Timer t; 2672ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park std::vector<MountEntry> block_devices; 2682ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park std::vector<MountEntry> emulated_devices; 2698d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 2708d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park TurnOffBacklight(); // this part can take time. save power. 2718d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 2722ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (runFsck && !FindPartitionsToUmount(&block_devices, &emulated_devices, false)) { 2738d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park return UMOUNT_STAT_ERROR; 2748d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 2752ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park 2762ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park UmountStat stat = UmountPartitions(timeoutMs - t.duration_ms()); 2772ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (stat != UMOUNT_STAT_SUCCESS) { 2782ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park LOG(INFO) << "umount timeout, last resort, kill all and try"; 2792ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo(); 2803ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Park KillAllProcesses(); 2812ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park // even if it succeeds, still it is timeout and do not run fsck with all processes killed 2822ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park UmountPartitions(0); 2832ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo(); 2848d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 2852ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park 2868d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park if (stat == UMOUNT_STAT_SUCCESS && runFsck) { 2872ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park // fsck part is excluded from timeout check. It only runs for user initiated shutdown 2882ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park // and should not affect reboot time. 2892ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park for (auto& entry : block_devices) { 2902ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park entry.DoFsck(); 2918d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 2928d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 2938d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park return stat; 2948d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park} 2958d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 2968d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkstatic void __attribute__((noreturn)) DoThermalOff() { 2978d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park LOG(WARNING) << "Thermal system shutdown"; 2982ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park sync(); 2998d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park RebootSystem(ANDROID_RB_THERMOFF, ""); 3008d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park abort(); 3018d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park} 3028d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 3038d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Parkvoid DoReboot(unsigned int cmd, const std::string& reason, const std::string& rebootTarget, 3048d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park bool runFsck) { 3058d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park Timer t; 3063cd8c6f9123883d02e1c4c146e1ef7bfcfa170a3Keun-young Park LOG(INFO) << "Reboot start, reason: " << reason << ", rebootTarget: " << rebootTarget; 3078d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 3088d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park android::base::WriteStringToFile(StringPrintf("%s\n", reason.c_str()), LAST_REBOOT_REASON_FILE); 3098d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 3108d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park if (cmd == ANDROID_RB_THERMOFF) { // do not wait if it is thermal 3118d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park DoThermalOff(); 3128d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park abort(); 3138d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 314aa08ea458a3aea9f671f847f4e005c3bd39da201Keun-young Park 3153ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Park /* TODO update default waiting time based on usage data */ 316c4ffa5c47d0ac84cae57337412c2459f2cb11da5Keun-young Park constexpr unsigned int shutdownTimeoutDefault = 10; 317c4ffa5c47d0ac84cae57337412c2459f2cb11da5Keun-young Park unsigned int shutdownTimeout = shutdownTimeoutDefault; 318c4ffa5c47d0ac84cae57337412c2459f2cb11da5Keun-young Park if (SHUTDOWN_ZERO_TIMEOUT) { // eng build 319c4ffa5c47d0ac84cae57337412c2459f2cb11da5Keun-young Park shutdownTimeout = 0; 320c4ffa5c47d0ac84cae57337412c2459f2cb11da5Keun-young Park } else { 321c4ffa5c47d0ac84cae57337412c2459f2cb11da5Keun-young Park shutdownTimeout = 322c4ffa5c47d0ac84cae57337412c2459f2cb11da5Keun-young Park android::base::GetUintProperty("ro.build.shutdown_timeout", shutdownTimeoutDefault); 323c4ffa5c47d0ac84cae57337412c2459f2cb11da5Keun-young Park } 324ccf23537eeacfa47e5f18dd3b75089886d177c1bTom Cherry LOG(INFO) << "Shutdown timeout: " << shutdownTimeout; 325aa08ea458a3aea9f671f847f4e005c3bd39da201Keun-young Park 3267830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park // keep debugging tools until non critical ones are all gone. 3277830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park const std::set<std::string> kill_after_apps{"tombstoned", "logd", "adbd"}; 3287830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park // watchdogd is a vendor specific component but should be alive to complete shutdown safely. 3297830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park const std::set<std::string> to_starts{"watchdogd", "vold"}; 3307830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park ServiceManager::GetInstance().ForEachService([&kill_after_apps, &to_starts](Service* s) { 3317830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park if (kill_after_apps.count(s->name())) { 3327830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park s->SetShutdownCritical(); 3337830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park } else if (to_starts.count(s->name())) { 3347830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park s->Start(); 3357830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park s->SetShutdownCritical(); 3368d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 3377830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park }); 3387830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park 3397830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park Service* bootAnim = ServiceManager::GetInstance().FindServiceByName("bootanim"); 3407830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park Service* surfaceFlinger = ServiceManager::GetInstance().FindServiceByName("surfaceflinger"); 3417830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park if (bootAnim != nullptr && surfaceFlinger != nullptr && surfaceFlinger->IsRunning()) { 3427830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park property_set("service.bootanim.exit", "0"); 3437830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park // Could be in the middle of animation. Stop and start so that it can pick 3447830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park // up the right mode. 3457830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park bootAnim->Stop(); 3467830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park // start all animation classes if stopped. 3477830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park ServiceManager::GetInstance().ForEachServiceInClass("animation", [](Service* s) { 3487830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park s->Start(); 3497830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park s->SetShutdownCritical(); // will not check animation class separately 3507830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park }); 3517830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park bootAnim->Start(); 3527830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park surfaceFlinger->SetShutdownCritical(); 3537830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park bootAnim->SetShutdownCritical(); 3548d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 3557830d59500eb0cb24333dc357ac5bed38270e181Keun-young Park 3568d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // optional shutdown step 3578d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // 1. terminate all services except shutdown critical ones. wait for delay to finish 3583ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Park if (shutdownTimeout > 0) { 3598d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park LOG(INFO) << "terminating init services"; 3608d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 3618d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // Ask all services to terminate except shutdown critical ones. 3628d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park ServiceManager::GetInstance().ForEachService([](Service* s) { 3638d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park if (!s->IsShutdownCritical()) s->Terminate(); 3648d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park }); 3658d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 3668d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park int service_count = 0; 3673ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Park // Up to half as long as shutdownTimeout or 3 seconds, whichever is lower. 3683ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Park unsigned int terminationWaitTimeout = std::min<unsigned int>((shutdownTimeout + 1) / 2, 3); 3693ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Park while (t.duration_s() < terminationWaitTimeout) { 3708d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park ServiceManager::GetInstance().ReapAnyOutstandingChildren(); 3718d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 3728d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park service_count = 0; 3738d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park ServiceManager::GetInstance().ForEachService([&service_count](Service* s) { 3748d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // Count the number of services running except shutdown critical. 3758d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // Exclude the console as it will ignore the SIGTERM signal 3768d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // and not exit. 3778d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // Note: SVC_CONSOLE actually means "requires console" but 3788d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // it is only used by the shell. 3798d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park if (!s->IsShutdownCritical() && s->pid() != 0 && (s->flags() & SVC_CONSOLE) == 0) { 3808d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park service_count++; 3818d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 3828d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park }); 3838d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 3848d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park if (service_count == 0) { 3858d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // All terminable services terminated. We can exit early. 3868d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park break; 3878d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 3888d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 3898d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // Wait a bit before recounting the number or running services. 3908d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park std::this_thread::sleep_for(50ms); 3918d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 3928d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park LOG(INFO) << "Terminating running services took " << t 3938d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park << " with remaining services:" << service_count; 3948d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 3958d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 3968d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // minimum safety steps before restarting 3978d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // 2. kill all services except ones that are necessary for the shutdown sequence. 3982ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park ServiceManager::GetInstance().ForEachService([](Service* s) { 3992ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (!s->IsShutdownCritical()) s->Stop(); 4008d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park }); 4018d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park ServiceManager::GetInstance().ReapAnyOutstandingChildren(); 4028d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park 4038d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // 3. send volume shutdown to vold 4048d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park Service* voldService = ServiceManager::GetInstance().FindServiceByName("vold"); 4058d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park if (voldService != nullptr && voldService->IsRunning()) { 4068d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park ShutdownVold(); 4072ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park voldService->Stop(); 4088d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } else { 4098d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park LOG(INFO) << "vold not running, skipping vold shutdown"; 4108d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park } 4112ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park // logcat stopped here 4122ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park ServiceManager::GetInstance().ForEachService([&kill_after_apps](Service* s) { 4132ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park if (kill_after_apps.count(s->name())) s->Stop(); 4142ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park }); 4158d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // 4. sync, try umount, and optionally run fsck for user shutdown 4162ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park sync(); 4173ee0df9bdfef5e872d278b3d4d073a379ca62451Keun-young Park UmountStat stat = TryUmountAndFsck(runFsck, shutdownTimeout * 1000 - t.duration_ms()); 4182ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park // Follow what linux shutdown is doing: one more sync with little bit delay 4192ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park sync(); 4202ba5c8103d0cf748fdf03c9e5be975ccc36fb56aKeun-young Park std::this_thread::sleep_for(100ms); 4218d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park LogShutdownTime(stat, &t); 4228d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park // Reboot regardless of umount status. If umount fails, fsck after reboot will fix it. 4238d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park RebootSystem(cmd, rebootTarget); 4248d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park abort(); 4258d01f63f50fb001f41835a0dab636981f2ba76ddKeun-young Park} 426