android_system_core/init/Android.mk
Keun-young Park 8d01f63f50 remove emergency shutdown and improve init's reboot logic
- Emergency shutdown just marks the fs as clean while leaving fs
  in the middle of any state. Do not use it anymore.

- Changed android_reboot to set sys.powerctl property so that
  all shutdown can be done by init.

- Normal reboot sequence changed to
    1. Terminate processes (give time to clean up). And wait for
      completion based on ro.build.shutdown_timeout.
        Default value (when not set) is changed to 3 secs. If it is 0, do not
        terminate processes.
    2. Kill all remaining services except critical services for shutdown.
    3. Shutdown vold using "vdc volume shutdown"
    4. umount all emulated partitions. If it fails, just detach.
       Wait in step 5 can handle it.
    5. Try umounting R/W block devices for up to max timeout.
      If it fails, try DETACH.
      If umount fails to complete before reboot, it can be detected when
      system reboots.
    6. Reboot

- Log shutdown time and umount stat to log so that it can be collected after reboot

- To umount emulated partitions, all pending writes inside kernel should
  be completed.
- To umount /data partition, all emulated partitions on top of /data should
  be umounted and all pending writes should be completed.
- umount retry will only wait up to timeout. If there are too many pending
  writes, reboot will discard them and e2fsck after reboot will fix any file system
  issues.

bug: 36004738
bug: 32246772

Test: many reboots combining reboot from UI and adb reboot. Check last_kmsg and
      fs_stat after reboot.

Change-Id: I6e74d6c68a21e76e08cc0438573d1586fd9aaee2
2017-03-22 11:23:31 -07:00

178 lines
4.1 KiB
Makefile

# Copyright 2005 The Android Open Source Project
LOCAL_PATH:= $(call my-dir)
# --
ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
init_options += \
-DALLOW_LOCAL_PROP_OVERRIDE=1 \
-DALLOW_PERMISSIVE_SELINUX=1 \
-DREBOOT_BOOTLOADER_ON_PANIC=1
else
init_options += \
-DALLOW_LOCAL_PROP_OVERRIDE=0 \
-DALLOW_PERMISSIVE_SELINUX=0 \
-DREBOOT_BOOTLOADER_ON_PANIC=0
endif
init_options += -DLOG_UEVENTS=0
init_cflags += \
$(init_options) \
-Wall -Wextra \
-Wno-unused-parameter \
-Werror \
-std=gnu++1z \
# --
# If building on Linux, then build unit test for the host.
ifeq ($(HOST_OS),linux)
include $(CLEAR_VARS)
LOCAL_CPPFLAGS := $(init_cflags)
LOCAL_SRC_FILES:= \
parser/tokenizer.cpp \
LOCAL_MODULE := libinit_parser
LOCAL_CLANG := true
include $(BUILD_HOST_STATIC_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := init_parser_tests
LOCAL_SRC_FILES := \
parser/tokenizer_test.cpp \
LOCAL_STATIC_LIBRARIES := libinit_parser
LOCAL_CLANG := true
include $(BUILD_HOST_NATIVE_TEST)
endif
include $(CLEAR_VARS)
LOCAL_CPPFLAGS := $(init_cflags)
LOCAL_SRC_FILES:= \
action.cpp \
capabilities.cpp \
descriptors.cpp \
import_parser.cpp \
init_parser.cpp \
log.cpp \
parser.cpp \
service.cpp \
util.cpp \
LOCAL_STATIC_LIBRARIES := libbase libselinux liblog libprocessgroup libnl
LOCAL_WHOLE_STATIC_LIBRARIES := libcap
LOCAL_MODULE := libinit
LOCAL_SANITIZE := integer
LOCAL_CLANG := true
include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
LOCAL_CPPFLAGS := $(init_cflags)
LOCAL_SRC_FILES:= \
bootchart.cpp \
builtins.cpp \
devices.cpp \
init.cpp \
keychords.cpp \
property_service.cpp \
reboot.cpp \
signal_handler.cpp \
ueventd.cpp \
ueventd_parser.cpp \
watchdogd.cpp \
LOCAL_MODULE:= init
LOCAL_C_INCLUDES += \
system/core/mkbootimg
LOCAL_FORCE_STATIC_EXECUTABLE := true
LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
LOCAL_UNSTRIPPED_PATH := $(TARGET_ROOT_OUT_UNSTRIPPED)
LOCAL_STATIC_LIBRARIES := \
libinit \
libbootloader_message \
libfs_mgr \
libfec \
libfec_rs \
libsquashfs_utils \
liblogwrap \
libcutils \
libext4_utils \
libbase \
libc \
libselinux \
liblog \
libcrypto_utils \
libcrypto \
libc++_static \
libdl \
libsparse \
libz \
libprocessgroup \
libnl \
libavb
# Include SELinux policy. We do this here because different modules
# need to be included based on the value of PRODUCT_FULL_TREBLE. This
# type of conditional inclusion cannot be done in top-level files such
# as build/target/product/embedded.mk.
# This conditional inclusion closely mimics the conditional logic
# inside init/init.cpp for loading SELinux policy from files.
ifeq ($(PRODUCT_FULL_TREBLE),true)
# Use split SELinux policy
LOCAL_REQUIRED_MODULES += \
mapping_sepolicy.cil \
nonplat_sepolicy.cil \
plat_sepolicy.cil \
plat_sepolicy.cil.sha256 \
secilc \
nonplat_file_contexts \
plat_file_contexts
# Include precompiled policy, unless told otherwise
ifneq ($(PRODUCT_PRECOMPILED_SEPOLICY),false)
LOCAL_REQUIRED_MODULES += precompiled_sepolicy precompiled_sepolicy.plat.sha256
endif
else
# Use monolithic SELinux policy
LOCAL_REQUIRED_MODULES += sepolicy \
file_contexts.bin
endif
# Create symlinks.
LOCAL_POST_INSTALL_CMD := $(hide) mkdir -p $(TARGET_ROOT_OUT)/sbin; \
ln -sf ../init $(TARGET_ROOT_OUT)/sbin/ueventd; \
ln -sf ../init $(TARGET_ROOT_OUT)/sbin/watchdogd
LOCAL_SANITIZE := integer
LOCAL_CLANG := true
include $(BUILD_EXECUTABLE)
# Unit tests.
# =========================================================
include $(CLEAR_VARS)
LOCAL_MODULE := init_tests
LOCAL_SRC_FILES := \
init_parser_test.cpp \
property_service_test.cpp \
util_test.cpp \
LOCAL_SHARED_LIBRARIES += \
libcutils \
libbase \
LOCAL_STATIC_LIBRARIES := libinit
LOCAL_SANITIZE := integer
LOCAL_CLANG := true
LOCAL_CPPFLAGS := -Wall -Wextra -Werror
include $(BUILD_NATIVE_TEST)
# Include targets in subdirs.
# =========================================================
include $(call all-makefiles-under,$(LOCAL_PATH))