FCGI::Client::Connection - connection to FastCGI server

       sock
           the socket object.

       timeout
           read only integer value, default is 10seconds.

       This module handles connection to FastCGI server.

       Why don't support FCGI_KEEP_CONN?
           FCGI_KEEP_CONN  is  not  used by lighttpd's mod_fastcgi.c, and mod_fast_cgi for apache.  And, FCGI.xs
           doesn't support it.

           I seems FCGI_KEEP_CONN is not used in real world.

perl v5.26.2                                       2018-07-21                      FCGI::Client::Connection(3pm)

       my ($stdout, $stderr, $appstatus) = $self->request($env, $content)
           $env  is  environment hash, same as CGI.$content is request body string.  This method returns $stdout
           and $stderr strings.When error got, return undef.  $appstatus is the status code of  FastCGI  server,
           this is one of the following code.

               #define FCGI_REQUEST_COMPLETE 0
               #define FCGI_CANT_MPX_CONN    1
               #define FCGI_OVERLOADED       2
               #define FCGI_UNKNOWN_ROLE     3

           These constants defined at FCGI::Client::Constat.

       FCGI::Client::Connection - connection to FastCGI server