NAME¶
File::Flock - file locking with flock
SYNOPSIS¶
use File::Flock;
lock($filename);
lock($filename, 'shared');
lock($filename, undef, 'nonblocking');
lock($filename, 'shared', 'nonblocking');
unlock($filename);
my $lock = new File::Flock '/somefile';
lock_rename($oldfilename, $newfilename)
DESCRIPTION¶
Lock files using the
flock() call. If the file to be locked does not
exist, then the file is created. If the file was created then it will be
removed when it is unlocked assuming it's still an empty file.
Locks can be created by new'ing a
File::Flock object. Such locks are
automatically removed when the object goes out of scope. The
unlock() method may also be used.
lock_rename() is used to tell File::Flock when a
file has been renamed (and thus the internal locking data that is stored based
on the filename should be moved to a new name).
unlock() the new name rather than the original
name.
LICENSE¶
File::Flock may be used/modified/distibuted on the same terms as perl itself.
AUTHOR¶
David Muir Sharnoff <muir@idiom.org>