File::Flock(3pm) - phpMan

File::Flock(3)                 User Contributed Perl Documentation                 File::Flock(3)



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 AT idiom.org>



perl v5.10.1                                2008-03-28                             File::Flock(3)

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