Merge "Move pid, stacks from envsetup.sh to dedicated scripts." am: b6a25653

    fi

}

function pid()

{

    local prepend=''

    local append=''

    if [ "$1" = "--exact" ]; then

        prepend=' '

        append='$'

        shift

    fi

    local EXE="$1"

    if [ "$EXE" ] ; then

        local PID=`adb shell ps \

            | tr -d '\r' \

            | \grep "$prepend$EXE$append" \

            | sed -e 's/^[^ ]* *\([0-9]*\).*$/\1/'`

        echo "$PID"

    else

        echo "usage: pid [--exact] <process name>"

        return 255

    fi

}

# coredump_setup - enable core dumps globally for any process

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

#

    stacks system_server

}

function stacks()

{

    if [[ $1 =~ ^[0-9]+$ ]] ; then

        local PID="$1"

    elif [ "$1" ] ; then

        local PIDLIST="$(pid $1)"

        if [[ $PIDLIST =~ ^[0-9]+$ ]] ; then

            local PID="$PIDLIST"

        elif [ "$PIDLIST" ] ; then

            echo "more than one process: $1"

        else

            echo "no such process: $1"

        fi

    else

        echo "usage: stacks [pid|process name]"

    fi

    if [ "$PID" ] ; then

        # Use `debuggerd -j` on java processes.

        if adb shell readlink /proc/$PID/exe | egrep -q '^/system/bin/app_process' ; then

            # But not the zygote.

            if ! adb shell cat /proc/$PID/cmdline | egrep -q '^zygote'; then

                adb shell debuggerd -j $PID

                return

            fi

        fi

        adb shell debuggerd -b $PID

    fi

}

# Read the ELF header from /proc/$PID/exe to determine if the process is

# 64-bit.

function is64bit()