am 248f4d53: envsetup.sh: add functions to enable and generate core dumps

    fi

}

# coredump-setup - enable core dumps globally for any process

#                  that has the core-file-size limit set correctly

#

# NOTE: You must call also coredump-enable for a specific process

#       if its core-file-size limit is not set already.

# NOTE: Core dumps are written to ramdisk; they will not survive a reboot!

function coredump-setup()

{

	echo "Getting root...";

	adb root;

	adb wait-for-device;

	echo "Remounting root parition read-write...";

	adb shell mount -w -o remount -t rootfs rootfs;

	sleep 1;

	adb wait-for-device;

	adb shell mkdir -p /cores;

	adb shell chmod 0777 /cores;

	echo "Granting SELinux permission to dump in /cores...";

	adb shell restorecon -R /cores;

	echo "Set core pattern.";

	adb shell 'echo /cores/core.%p > /proc/sys/kernel/core_pattern';

	echo "Done."

}

# coredump-enable - enable core dumps for the specified process

# $1 = PID of process (e.g., $(pid mediaserver))

#

# NOTE: coredump-setup must have been called as well for a core

#       dump to actually be generated.

function coredump-enable()

{

	local PID=$1;

	if [ -z "$PID" ]; then

		printf "Expecting a PID!\n";

		return;

	fi;

	echo "Setting core limit for $PID to infinite...";

	adb shell prlimit $PID 4 -1 -1

}

# core - send SIGV and pull the core for process

# $1 = PID of process (e.g., $(pid mediaserver))

#

# NOTE: coredump-setup must be called once per boot for core dumps to be

#       enabled globally.

function core()

{

	local PID=$1;

	if [ -z "$PID" ]; then

		printf "Expecting a PID!\n";

		return;

	fi;

	local CORENAME=core.$PID;

	local COREPATH=/cores/$CORENAME;

	local SIG=SEGV;

	coredump-enable $1;

	local done=0;

	while [ $(adb shell "[ -d /proc/$PID ] && echo -n yes") ]; do

		printf "\tSending SIG%s to %d...\n" $SIG $PID;

		adb shell kill -$SIG $PID;

		sleep 1;

	done;

	adb shell "while [ ! -f $COREPATH ] ; do echo waiting for $COREPATH to be generated; sleep 1; done"

	echo "Done: core is under $COREPATH on device.";

}

# systemstack - dump the current stack trace of all threads in the system process

# to the usual ANR traces file

function systemstack()