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.IX Title "Util::Semaphore 3"
.TH Util::Semaphore 3 2026-08-14 "perl v5.42.2" "User Contributed Perl Documentation"
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.SH NAME
Log::Log4perl::Util::Semaphore \- Easy to use semaphores
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 2
\&    use Log::Log4perl::Util::Semaphore;
\&    my $sem = Log::Log4perl::Util::Semaphore\->new( key => "abc" );
\&
\&    $sem\->semlock();
\&      # ... critical section 
\&    $sem\->semunlock();
\&
\&    $sem\->semset( uid  => (getpwnam("hugo"))[2], 
\&                  gid  => 102,
\&                  mode => 0644
\&                );
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
Log::Log4perl::Util::Semaphore provides the synchronisation mechanism
for the Synchronized.pm appender in Log4perl, but can be used independently
of Log4perl.
.PP
As a convenience, the \f(CW\*(C`uid\*(C'\fR field accepts user names as well, which it 
translates into the corresponding uid by running \f(CW\*(C`getpwnam\*(C'\fR.
.SH LICENSE
.IX Header "LICENSE"
Copyright 2002\-2026 by Mike Schilli <m@perlmeister.com>
and Kevin Goess <cpan@goess.org>.
.PP
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.