Table of Contents

SHELL

LOCK="/var/lock/${0##*/}.lck"

function sys_create_lock
{
    (ps -p $(readlink "${LOCK}")) &>/dev/null
    [ "$?" != "0" ] && rm -f "${LOCK}"
    ln -s $$ "${LOCK}" 2>/dev/null
    res="$?"
    [ "${res}" != "0" ] && exit "${res}"
    trap sys_remove_lock EXIT
}

function sys_remove_lock
{
    [ "$(readlink "${LOCK}")" == "$$" ] && rm -f "${LOCK}"
}

MISC

MORE

@related: bash arpalhands sync UnLock

@TaG: SynC CooP BaSh

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lock.txt · Last modified: 2020/09/08 20:45 (external edit)
 
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