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NAME

     Sys::Syslog, openlog, closelog, setlogmask, syslog - Perl
     interface to the UNIX syslog(3) calls



SYNOPSIS
         use Sys::Syslog;                          # all except setlogsock, or:
         use Sys::Syslog qw(:DEFAULT setlogsock);  # default set, plus setlogsock

         setlogsock $sock_type;
         openlog $ident, $logopt, $facility;
         syslog $priority, $format, @args;
         $oldmask = setlogmask $mask_priority;
         closelog;




DESCRIPTION
     Sys::Syslog is an interface to the UNIX syslog(3) program.
     Call syslog() with a string priority and a list of printf()
     args just like syslog(3).

     Syslog provides the functions:

     openlog $ident, $logopt, $facility
          $ident is prepended to every message.  $logopt contains
          zero or more of the words pid, ndelay, cons, nowait.
          $facility specifies the part of the system

     syslog $priority, $format, @args
          If $priority permits, logs ($format, @args) printed as
          by printf(3V), with the addition that %m is replaced
          with "$!" (the latest error message).

     setlogmask $mask_priority
          Sets log mask $mask_priority and returns the old mask.

     setlogsock $sock_type (added in 5.004_02)
          Sets the socket type to be used for the next call to
          openlog() or syslog() and returns TRUE on success,
          undef on failure.

          A value of 'unix' will connect to the UNIX domain
          socket returned by _PATH_LOG in syslog.ph.  A value of
          'inet' will connect to an INET socket returned by
          getservbyname().  Any other value croaks.

          The default is for the INET socket to be used.

     closelog
          Closes the log file.

     Note that openlog now takes three arguments, just like
     openlog(3).



EXAMPLES
         openlog($program, 'cons,pid', 'user');
         syslog('info', 'this is another test');
         syslog('mail|warning', 'this is a better test: %d', time);
         closelog();

         syslog('debug', 'this is the last test');

         setlogsock('unix');
         openlog("$program $$", 'ndelay', 'user');
         syslog('notice', 'fooprogram: this is really done');

         setlogsock('inet');
         $! = 55;
         syslog('info', 'problem was %m'); # %m == $! in syslog(3)




DEPENDENCIES
     Sys::Syslog needs syslog.ph, which can be created with h2ph.



SEE ALSO
     the syslog(3) manpage



AUTHOR
     Tom Christiansen <tchrist@perl.com> and Larry Wall
     <larry@wall.org>.  UNIX domain sockets added by Sean
     Robinson <robinson_s@sc.maricopa.edu> with support from Tim
     Bunce <Tim.Bunce@ig.co.uk> and the perl5-porters mailing
     list.









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