Genezzo::Contrib::Clustered::GLock::GLockDLM - OpenDLM locking implementation for Genezzo
my $lockid = dlm_lock($name, $shared, $blocking); my $success = dlm_promote($name, $lockid, $blocking); my $success = dlm_unlock($lockid);
Provides Perl wrappers to basic OpenDLM C functions.
Locks lock with name NAME. Shared if SHARED=1, otherwise exclusive. Blocking if BLOCKING=1, otherwise returns immediately. Returns lockid,or 0 for failure.
Promotes lock with name NAME and lockid LOCKID to exclusive mode. Returns 1 for success, or 0 for failure.
Releases lock with lockid LOCKID. Returns 1 for success, 0 for failure.
dlm_lock, dlm_promote, dlm_unlock
Relies on Perl Inline::C module. Requires OpenDLM be installed. Currently terminates program when deadlock detected.
Eric Rollins, rollins@acm.org
http://opendlm.sourceforge.net/docs.php.
Copyright (c) 2005 Eric Rollins. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Address bug reports and comments to rollins@acm.org
For more information, please visit the Genezzo homepage at http://www.genezzo.com
To install Genezzo::Contrib::Clustered::Clustered, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Genezzo::Contrib::Clustered::Clustered
CPAN shell
perl -MCPAN -e shell install Genezzo::Contrib::Clustered::Clustered
For more information on module installation, please visit the detailed CPAN module installation guide.