Log::Dispatch::File::LUserdContributed Perl DocuLog::Dispatch::File::Locked(3)NAMELog::Dispatch::File::Locked - Subclass of Log::Dispatch::File to
facilitate locking
VERSION
version 2.41
SYNOPSIS
use Log::Dispatch;
my $log = Log::Dispatch->new(
outputs => [
[
'File::Locked',
min_level => 'info',
filename => 'Somefile.log',
mode => '>>',
newline => 1
]
],
);
$log->emerg("I've fallen and I can't get up");
DESCRIPTION
This module acts exactly like Log::Dispatch::File except that it
obtains an exclusive lock on the file while opening it.
CAVEATS
DANGER! Use very carefully in multi-process environments. Because the
lock is obtained at file open time, not at write time, you may
experience deadlocks in your system.
You can partially work around this by using the "close_after_write"
option, which causes the file to be re-opened every time a log message
is written.
Alternatively, the "syswrite" option does atomic writes, which may mean
that you don't need locking at all.
See Log::Dispatch::File) for details on these options.
SEE ALSO
"flock" in perlfunc
AUTHOR
Dave Rolsky <autarch@urth.org>
COPYRIGHT AND LICENSE
This software is Copyright (c) 2013 by Dave Rolsky.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)
perl v5.18.2 2013-07-22 Log::Dispatch::File::Locked(3)
