Apache::Session::Lock::MySQL man page on Fedora

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Apache::Session::Lock:UserQContributed Perl DocApache::Session::Lock::MySQL(3)

NAME
       Apache::Session::Lock::MySQL - Provides mutual exclusion using MySQL

SYNOPSIS
	use Apache::Session::Lock::MySQL;

	my $locker = Apache::Session::Lock::MySQL->new();

	$locker->acquire_read_lock($ref);
	$locker->acquire_write_lock($ref);
	$locker->release_read_lock($ref);
	$locker->release_write_lock($ref);
	$locker->release_all_locks($ref);

DESCRIPTION
       Apache::Session::Lock::MySQL fulfills the locking interface of
       Apache::Session.	 Mutual exclusion is achieved through the use of
       MySQL's GET_LOCK and RELEASE_LOCK functions.  MySQL does not support
       the notion of read and write locks, so this module only supports
       exclusive locks.	 When you request a shared read lock, it is instead
       promoted to an exclusive write lock.

CONFIGURATION
       The module must know how to connect to your MySQL database to acquire
       locks.  You must provide a datasource name, a user name, and a
       password.  These options are passed in the usual Apache::Session style,
       and are very similar to the options for Apache::Session::Store::MySQL.
       Example:

	tie %hash, 'Apache::Session::MySQL', $id, {
	    LockDataSource => 'dbi:mysql:database',
	    LockUserName   => 'database_user',
	    LockPassword   => 'K00l'
	};

       Instead, you may pass in an already opened DBI handle to your database.

	tie %hash, 'Apache::Session::MySQL', $id, {
	    LockHandle => $dbh
	};

AUTHOR
       This module was written by Jeffrey William Baker <jwbaker@acm.org>.

SEE ALSO
       Apache::Session

perl v5.14.1			  2011-06-21   Apache::Session::Lock::MySQL(3)
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