Merge "Fix one race condition between start and stop."
diff --git a/base/strings_test.cpp b/base/strings_test.cpp
index 7ed5b2b..121197c 100644
--- a/base/strings_test.cpp
+++ b/base/strings_test.cpp
@@ -51,6 +51,14 @@
ASSERT_EQ("bar", parts[2]);
}
+TEST(strings, split_with_trailing_empty_part) {
+ std::vector<std::string> parts = android::base::Split("foo,bar,", ",");
+ ASSERT_EQ(3U, parts.size());
+ ASSERT_EQ("foo", parts[0]);
+ ASSERT_EQ("bar", parts[1]);
+ ASSERT_EQ("", parts[2]);
+}
+
TEST(strings, split_null_char) {
std::vector<std::string> parts =
android::base::Split(std::string("foo\0bar", 7), std::string("\0", 1));
diff --git a/bootstat/boot_reason_test.sh b/bootstat/boot_reason_test.sh
index 209e81b..af65135 100755
--- a/bootstat/boot_reason_test.sh
+++ b/bootstat/boot_reason_test.sh
@@ -194,10 +194,12 @@
sed -n 's/[[]sys[.]\(boot_completed\|logbootcomplete\)[]]: [[]\([01]\)[]]$/\1=\2/p'`
if [ "${vals}" = "`echo boot_completed=1 ; echo logbootcomplete=1`" ]
then
+ sleep 1
break
fi
if [ "${vals}" = "`echo logbootcomplete=1 ; echo boot_completed=1`" ]
then
+ sleep 1
break
fi
fi
@@ -287,6 +289,7 @@
bootstat: Battery level at shutdown 100%
bootstat: Battery level at startup 100%
init : Parsing file /system/etc/init/bootstat.rc...
+init : Parsing file /system/etc/init/bootstat-debug.rc...
init : processing action (persist.test.boot.reason=*) from (/system/etc/init/bootstat-debug.rc:
init : Command 'setprop ro.boot.bootreason \${persist.test.boot.reason}' action=persist.test.boot.reason=* (/system/etc/init/bootstat-debug.rc:
init : processing action (post-fs-data) from (/system/etc/init/bootstat.rc
@@ -566,6 +569,8 @@
esac
adb reboot ${TEST}
wait_for_screen
+ bootloader_reason=`validate_property ro.boot.bootreason`
+ EXPECT_PROPERTY ro.boot.bootreason ${bootloader_reason}
EXPECT_PROPERTY sys.boot.reason ${reason}
EXPECT_PROPERTY persist.sys.boot.reason ${reason}
report_bootstat_logs ${reason}
diff --git a/bootstat/bootstat.cpp b/bootstat/bootstat.cpp
index 2270133..c1d799e 100644
--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -223,6 +223,8 @@
{"2sec_reboot", 83},
{"reboot,by_key", 84},
{"reboot,longkey", 85},
+ {"reboot,2sec", 86},
+ {"shutdown,thermal,battery", 87},
};
// Converts a string value representing the reason the system booted to an
@@ -406,6 +408,7 @@
{"shutdown,thermal", "thermal"},
{"warm,s3_wakeup", "s3_wakeup"},
{"hard,hw_reset", "hw_reset"},
+ {"reboot,2sec", "2sec_reboot"},
{"bootloader", ""},
};
diff --git a/init/service.cpp b/init/service.cpp
index 889df63..45e3f06 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -101,8 +101,22 @@
// It's OK to LOG(FATAL) in this function since it's running in the first
// child process.
- if (mount("", "/proc", "proc", kSafeFlags | MS_REMOUNT, "") == -1) {
- PLOG(FATAL) << "couldn't remount(/proc) for " << service_name;
+
+ // Recursively remount / as slave like zygote does so unmounting and mounting /proc
+ // doesn't interfere with the parent namespace's /proc mount. This will also
+ // prevent any other mounts/unmounts initiated by the service from interfering
+ // with the parent namespace but will still allow mount events from the parent
+ // namespace to propagate to the child.
+ if (mount("rootfs", "/", nullptr, (MS_SLAVE | MS_REC), nullptr) == -1) {
+ PLOG(FATAL) << "couldn't remount(/) recursively as slave for " << service_name;
+ }
+ // umount() then mount() /proc.
+ // Note that it is not sufficient to mount with MS_REMOUNT.
+ if (umount("/proc") == -1) {
+ PLOG(FATAL) << "couldn't umount(/proc) for " << service_name;
+ }
+ if (mount("", "/proc", "proc", kSafeFlags, "") == -1) {
+ PLOG(FATAL) << "couldn't mount(/proc) for " << service_name;
}
if (prctl(PR_SET_NAME, service_name.c_str()) == -1) {