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############################################################################ |
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# |
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# Apache::Session::Lock::Memorycached |
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# Copyright(c) eric german |
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# Distribute under the Artistic License |
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# |
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############################################################################ |
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package Apache::Session::Lock::Memorycached; |
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use strict; |
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use vars qw($VERSION); |
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$VERSION = '1.0'; |
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sub new { |
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my $class = shift; |
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return bless { read => 0, write => 0, opened => 0, id => 0 }, $class; |
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} |
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sub acquire_read_lock { |
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my $self = shift; |
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my $session = shift; |
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return if $self->{read}; |
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if (!$self->{opened}) { |
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$self->{opened} = 1; |
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} |
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$self->{read} = 1; |
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} |
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sub acquire_write_lock { |
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my $self = shift; |
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my $session = shift; |
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return if $self->{write}; |
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if (!$self->{opened}) { |
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$self->{opened} = 1; |
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} |
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$self->{write} = 1; |
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} |
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sub release_read_lock { |
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my $self = shift; |
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my $session = shift; |
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die unless $self->{read}; |
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if (!$self->{write}) { |
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$self->{opened} = 0; |
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} |
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$self->{read} = 0; |
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} |
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sub release_write_lock { |
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my $self = shift; |
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my $session = shift; |
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die unless $self->{write}; |
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if ($self->{read}) { |
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} |
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else { |
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$self->{opened} = 0; |
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} |
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$self->{write} = 0; |
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} |
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sub release_all_locks { |
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my $self = shift; |
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my $session = shift; |
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if ($self->{opened}) { |
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} |
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$self->{opened} = 0; |
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$self->{read} = 0; |
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$self->{write} = 0; |
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} |
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sub DESTROY { |
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my $self = shift; |
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$self->release_all_locks; |
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} |
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sub clean { |
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my $self = shift; |
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my $dir = shift; |
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my $time = shift; |
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} |
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1; |
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=pod |
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106
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=head1 NAME |
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108
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Apache::Session::Lock::File - Provides mutual exclusion using flock |
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=head1 SYNOPSIS |
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use Apache::Session::Lock::File; |
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my $locker = new Apache::Session::Lock::File; |
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$locker->acquire_read_lock($ref); |
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$locker->acquire_write_lock($ref); |
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$locker->release_read_lock($ref); |
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$locker->release_write_lock($ref); |
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$locker->release_all_locks($ref); |
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$locker->clean($dir, $age); |
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=head1 DESCRIPTION |
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Apache::Session::Lock::Memorycached fulfills the locking interface of |
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Apache::Session. NO locking is using . |
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129
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=head1 CONFIGURATION |
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131
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none |
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=head1 NOTES |
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=head1 AUTHOR |
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This module was written by eric german |
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=head1 SEE ALSO |
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L |