POE::Resource - phpMan

POE::Resource(3pm)             User Contributed Perl Documentation             POE::Resource(3pm)

NAME
       POE::Resource - internal resource managers for POE::Kernel

SYNOPSIS
       Varies, although most POE::Resource subclasses do not have public APIs.

DESCRIPTION
       POE manages several types of information internally.  Its Resource classes are mix-ins
       designed to manage those types of information behind tidy, mostly private interfaces.
       This was done to facilitate testing and a conversion to C without the need to port
       POE::Kernel all at once.

       POE::Resource subclasses are generally different from one another, but there are some
       similarities to note.

       Every resource should have an initializer and finalizer method.  Initializers set up
       initial data and link resources into POE::Kernel.  Finalizers clean up any remaining data
       and verify that each resource subsystem was left in a consistent state.

       One common theme in resource implementations is that they don't need to perform much error
       checking, if any.  Resource methods are used internally by POE::Kernel and/or POE::API
       classes, so it's up to them to ensure correct usage.

       Resource methods follow the naming convention _data_???_activity, where ??? is an
       abbreviation for the type of resource it belongs to:

         POE::Resource::Events      _data_ev_initialize
         POE::Resource::FileHandles _data_handle_initialize
         POE::Resource::Signals     _data_sig_initialize

       Finalizer methods end in "_finalize".

         _data_ev_finalize
         _data_handle_finalize
         _data_sig_finalize

       Finalizers return true if a resource shut down cleanly, or false if there were
       inconsistencies or leaks during end-of-run checking.  The t/res/*.t tests rely on these
       return values.

SEE ALSO
       POE::Resource::Aliases, POE::Resource::Events, POE::Resource::Extrefs,
       POE::Resource::FileHandles, POE::Resource::SIDs, POE::Resource::Sessions,
       POE::Resource::Signals

       Also see "Resources" in POE::Kernel for public information about POE resources.

BUGS
       None known.

AUTHORS & LICENSING
       Please see POE for more information about its authors, contributors, and licensing.

perl v5.30.0                                2020-02-07                         POE::Resource(3pm)

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