Net::Server::Fork - phpMan

Net::Server::Fork(3pm)         User Contributed Perl Documentation         Net::Server::Fork(3pm)

NAME
       Net::Server::Fork - Net::Server personality

SYNOPSIS
           use base qw(Net::Server::Fork);

           sub process_request {
               #...code...
           }

           __PACKAGE__->run();

DESCRIPTION
       Please read the pod on Net::Server first.  This module is a personality, or extension, or
       sub class, of the Net::Server module.

       This personality binds to one or more ports and then waits for a client connection.  When
       a connection is received, the server forks a child.  The child handles the request and
       then closes.

       With the exception of parent/child signaling, this module will work (with basic
       functionality) on Win32 systems.

ARGUMENTS
       check_for_dead
           Number of seconds to wait before looking for dead children.  This only takes place if
           the maximum number of child processes (max_servers) has been reached.  Default is 60
           seconds.

       max_servers
           The maximum number of children to fork.  The server will not accept connections until
           there are free children. Default is 256 children.

       max_dequeue
           The maximum number of dequeue processes to start.  If a value of zero or undef is
           given, no dequeue processes will be started.  The number of running dequeue processes
           will be checked by the check_for_dead variable.

       check_for_dequeue
           Seconds to wait before forking off a dequeue process.  It is intended to use the
           dequeue process to take care of items such as mail queues.  If a value of undef is
           given, no dequeue processes will be started.

CONFIGURATION FILE
       See Net::Server.

PROCESS FLOW
       Process flow follows Net::Server until the post_accept phase.  At this point a child is
       forked.  The parent is immediately able to wait for another request.  The child handles
       the request and then exits.

HOOKS
       The Fork server has the following hooks in addition to the hooks provided by the
       Net::Server base class.  See Net::Server

       "$self->pre_accept_hook()"
           This hook occurs just before the accept is called.

       "$self->post_accept_hook()"
           This hook occurs in the child after the accept and fork.

       "$self->run_dequeue()"
           This hook only gets called in conjunction with the check_for_dequeue setting.

HOT DEPLOY
       Since version 2.000, the Fork server has accepted the TTIN and TTOU signals.  When a TTIN
       is received, the max_servers is increased by 1.  If a TTOU signal is received the
       max_servers is decreased by 1.  This allows for adjusting the number of handling processes
       without having to restart the server.

AUTHOR
       Paul Seamons <paul AT seamons.com>

       Rob Brown <bbb AT cpan.org>

SEE ALSO
       Please see also Net::Server::INET, Net::Server::PreFork, Net::Server::MultiType,
       Net::Server::SIG Net::Server::Single

perl v5.30.0                                2020-04-03                     Net::Server::Fork(3pm)

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