LOCKFILE(1)                 General Commands Manual                LOCKFILE(1)

NAME(<?><?>)
       lockfile - <?><?><?><?><?><?><?><?><?><?>

SYNOPSIS(<?><?>)
       lockfile -sleeptime | -r retries |
            -l locktimeout | -s suspend | -!  | -ml | -mu | filename ...

DESCRIPTION(<?><?>)
       lockfile<?><?><?><?><?><?><?><?><?><?><?> <?><?><?>(semaphore)
       <?><?>.<?><?>lockfile<?><?><?><?><?><?><?><?><?><?><?>(<?><?><?><?><?><?><?>),<?><?><?><?><?><?><?><?>
       <?><?><?>(sleeptime)
       (<?><?><?>8<?>)<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>.<?><?><?><?><?><?><?><?><?><?><?>
       <?><?>(retries) <?><?><?>.  <?><?> retries
       <?><?><?><?><?>-1(<?><?><?>,<?><?> -r-1) lockfile<?><?><?><?><?><?><?>.

       <?><?><?><?><?><?><?><?><?><?><?> retries
       <?><?><?><?><?><?><?>,lockfile<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>.

       <?>shell<?><?><?><?><?>lockfile<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>
       -!
       <?><?><?><?><?><?><?><?><?><?><?><?>.<?><?><?><?><?><?><?><?>,<?><?>lockfile<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?><?><?><?><?><?>.

       <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?><?><?><?>.<?><?><?><?><?><?><?><?><?><?><?><?><?><?>.

       <?><?><?><?>lockfile<?><?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?>
       rm -f <?><?><?>.

       <?><?><?><?><?><?><?><?> locktimeout
       <?><?>lockfile<?><?>lockfile<?><?><?><?><?><?>/<?><?><?><?>locktimeout<?><?><?><?><?><?><?><?><?>(<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>lockfiles).Lockfile<?><?><?><?><?><?><?><?><?>.<?>lockfile<?><?><?><?><?><?><?>,<?><?><?>
       suspend
       <?>(<?><?><?>16)<?><?><?><?>,<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>lockfile(<?>
       procmail(1)) <?><?> SUSPEND <?><?>).

   Mailbox locks (<?><?><?><?>)
       <?><?><?><?><?><?>spool<?><?><?><?><?><?><?><?>,<?><?><?><?>lockfile<?><?><?>setgid<?>,<?><?><?><?><?><?><?>
       <?><?><?><?><?><?><?> -ml <?> -mu lock<?>unlock<?><?><?><?><?><?>.

EXAMPLES(<?><?>)
       <?><?><?><?><?><?><?><?><?><?>"important"<?><?><?><?>,<?><?>,<?><?><?><?><?><?><?>shell<?><?><?><?><?><?><?>.<?><?><?><?><?><?>,<?><?><?><?><?><?><?><?><?>shell<?><?>.<?><?><?><?><?><?>,<?><?><?><?><?><?><?><?>:
              ...  lockfile important.lock ...
              access_"important"_to_your_hearts_content ...  rm -f
              important.lock ...
       <?><?><?><?><?><?><?><?>"important"<?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?><?>`lockfile'<?>`rm'<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>.

ENVIRONMENT(<?><?><?><?>)
       LOGNAME                <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>

FILES(<?><?><?><?>)
       /etc/passwd            <?><?><?><?><?>/<?><?><?><?><?><?><?><?><?><?>(<?><?><?><?><?><?>,<?><?><?><?><?><?><?><?>HOME<?><?>)

       /var/spool/mail/$LOGNAME.lock
                              <?><?><?><?><?>lockfile,<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?>/etc/passwd<?><?><?><?><?>.

SEE ALSO (<?><?>)
       rm(1), mail(1), binmail(1), sendmail(8), procmail(1)

DIAGNOSTICS(<?><?>)
       Filename too long,...  <?><?><?><?><?><?><?><?>.

       Forced unlock denied on "x"
                              <?><?><?>lockfile
                              "x"<?><?><?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?>lockfile<?><?><?><?><?><?><?><?><?><?>lock.

       Forcing lock on "x"    lockfile
                              "x"<?><?><?><?><?><?><?><?><?><?><?><?><?> (<?>
                              procmail(1)) <?><?> LOCKTIMEOUT <?><?><?>).

       Out of memory,...      <?><?><?><?><?><?><?><?>.

       Signal received,...    Lockfile<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>.

       Sorry,...              retries <?><?><?><?><?><?>.

       Truncating "x" and retrying lock
                              "x"<?><?><?><?><?><?><?><?><?><?><?>.

       Try praying,...        <?><?><?><?><?><?><?><?><?><?><?>.

BUGS
       <?><?><?><?><?><?>.

WARNINGS(<?><?>)
       -!
       <?><?><?><?><?><?><?>,<?><?><?><?>,<?><?><?><?><?><?><?><?><?><?>.<?><?><?>lockfile<?><?><?><?><?>,shell<?><?><?><?><?><?><?><?><?><?><?><?><?><?>
       -!
       <?><?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>.
       <?><?>, -!  <?><?><?><?><?><?><?>lockfile<?><?><?><?><?><?><?><?>.

MISCELLANEOUS(<?><?>)
       Lockfile<?><?><?>NFS,<?><?><?><?><?><?>.

NOTES(<?><?>)
       <?><?>-h<?>-?<?><?><?><?>lockfile<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>.<?><?>-v<?><?><?><?><?><?><?><?><?><?><?><?><?><?>.

       <?><?> -!  <?><?><?><?><?><?><?><?><?>.

       <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?><?>'-'<?><?><?><?><?><?><?><?><?>'./"<?><?><?>.

       <?><?><?><?><?><?><?><?><?><?><?><?><?><?>(<?><?>,<?><?><?><?><?><?>)<?>,
       retries
       <?><?><?><?><?><?><?><?><?>.<?><?>,<?><?><?><?><?><?><?><?><?><?><?><?>
       -rnewretries <?><?><?><?><?><?><?><?><?><?><?><?>.

       <?><?><?><?><?><?><?><?><?><?><?><?><?>lockfiles,<?><?><?><?><?><?><?><?><?><?><?><?>'.lock'<?><?><?><?>lock<?><?><?><?><?>(<?><?><?><?><?><?><?><?><?><?>).<?><?><?><?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?><?><?><?><?>lockfilename<?><?><?>,<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>`lock.'<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>lockfilename,<?><?><?><?><?><?><?><?><?><?><?><?>i-
       node<?>.

SOURCE(<?><?>)
       <?><?><?><?> http://www.procmail.org/<?><?> ftp.procmail.org<?>
       pub/procmail/ <?> procmail mail-processing-package (v3.14)<?><?><?><?>.

MAILINGLIST(<?><?><?><?>)
       <?><?><?><?><?>procmail<?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>:
              <procmail-users@procmail.org>
                     <?><?><?><?><?><?>/<?><?>.
              <procmail-users-request@procmail.org>
                     <?><?><?><?><?><?>.

       <?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?><?>,<?><?><?><?><?><?><?>
              procmail-announce-request@procmail.org
       (<?><?><?><?><?><?><?><?>).

AUTHOR
       Stephen R. van den Berg
              <srb@cuci.nl>


[<?><?><?><?><?><?>]
       riser <boomer@ccidnet.com>

[<?><?><?><?><?><?><?>]
       2001/08/08

<?><?><?>linux<?><?>man<?><?><?><?><?><?><?><?>:
       http://cmpp.linuxforum.net

<?>
       <?><?><?><?><?><?><?><?><?> man <?><?><?><?><?><?><?><?>
       <?><?> man <?><?><?><?><?><?>https://github.com/man-pages-zh/manpages-
       zh

                                                                   LOCKFILE(1)