04-26-2011
Can anyone expand on the info contained in this link?
Last edited by theKbStockpiler; 04-26-2011 at 02:37 AM..
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LEARN ABOUT CENTOS
test::memory::cycle
Cycle(3) User Contributed Perl Documentation Cycle(3)
NAME
Test::Memory::Cycle - Check for memory leaks and circular memory references
VERSION
Version 1.04
SYNOPSIS
Perl's garbage collection has one big problem: Circular references can't get cleaned up. A circular reference can be as simple as two
reference that refer to each other:
my $mom = {
name => "Marilyn Lester",
};
my $me = {
name => "Andy Lester",
mother => $mom,
};
$mom->{son} = $me;
"Test::Memory::Cycle" is built on top of "Devel::Cycle" to give you an easy way to check for these circular references.
use Test::Memory::Cycle;
my $object = new MyObject;
# Do stuff with the object.
memory_cycle_ok( $object );
You can also use "memory_cycle_exists()" to make sure that you have a cycle where you expect to have one.
FUNCTIONS
"memory_cycle_ok( $reference, $msg )"
Checks that $reference doesn't have any circular memory references.
"memory_cycle_exists( $reference, $msg )"
Checks that $reference does have any circular memory references.
"weakened_memory_cycle_ok( $reference, $msg )"
Checks that $reference doesn't have any circular memory references, but unlike "memory_cycle_ok" this will also check for weakened cycles
produced with Scalar::Util's "weaken".
"weakened_memory_cycle_exists( $reference, $msg )"
Checks that $reference does have any circular memory references, but unlike "memory_cycle_exists" this will also check for weakened cycles
produced with Scalar::Util's "weaken".
AUTHOR
Written by Andy Lester, "<andy @ petdance.com>".
BUGS
Please report any bugs or feature requests to "bug-test-memory-cycle at rt.cpan.org", or through the web interface at
<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Test-Memory-Cycle>. I will be notified, and then you'll automatically be notified of
progress on your bug as I make changes.
SUPPORT
You can find documentation for this module with the perldoc command.
perldoc Test::Memory::Cycle
You can also look for information at:
o AnnoCPAN: Annotated CPAN documentation
<http://annocpan.org/dist/Test-Memory-Cycle>
o CPAN Ratings
<http://cpanratings.perl.org/d/Test-Memory-Cycle>
o RT: CPAN's request tracker
<http://rt.cpan.org/NoAuth/Bugs.html?Dist=Test-Memory-Cycle>
o Search CPAN
<http://search.cpan.org/dist/Test-Memory-Cycle>
ACKNOWLEDGEMENTS
Thanks to the contributions of Stevan Little, and to Lincoln Stein for writing Devel::Cycle.
COPYRIGHT
Copyright 2006, Andy Lester, All Rights Reserved.
You may use, modify, and distribute this package under the same terms as Perl itself.
perl v5.16.3 2006-08-07 Cycle(3)