<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <link rel="stylesheet" href="style.css" type="text/css"> <meta content="text/html; charset=iso-8859-1" http-equiv="Content-Type"> <link rel="Start" href="index.html"> <link rel="previous" href="Uq_engines.sync_engine.html"> <link rel="next" href="Uq_engines.poll_process_engine.html"> <link rel="Up" href="Uq_engines.html"> <link title="Index of types" rel=Appendix href="index_types.html"> <link title="Index of exceptions" rel=Appendix href="index_exceptions.html"> <link title="Index of values" rel=Appendix href="index_values.html"> <link title="Index of class attributes" rel=Appendix href="index_attributes.html"> <link title="Index of class methods" rel=Appendix href="index_methods.html"> <link title="Index of classes" rel=Appendix href="index_classes.html"> <link title="Index of class types" rel=Appendix href="index_class_types.html"> <link title="Index of modules" rel=Appendix href="index_modules.html"> <link title="Index of module types" rel=Appendix href="index_module_types.html"> <link title="Uq_gtk" rel="Chapter" href="Uq_gtk.html"> <link title="Equeue" rel="Chapter" href="Equeue.html"> <link title="Unixqueue" rel="Chapter" href="Unixqueue.html"> <link title="Uq_engines" rel="Chapter" href="Uq_engines.html"> <link title="Uq_socks5" rel="Chapter" href="Uq_socks5.html"> <link title="Unixqueue_mt" rel="Chapter" href="Unixqueue_mt.html"> <link title="Equeue_intro" rel="Chapter" href="Equeue_intro.html"> <link title="Uq_ssl" rel="Chapter" href="Uq_ssl.html"> <link title="Uq_tcl" rel="Chapter" href="Uq_tcl.html"> <link title="Netcgi_common" rel="Chapter" href="Netcgi_common.html"> <link title="Netcgi" rel="Chapter" href="Netcgi.html"> <link title="Netcgi_ajp" rel="Chapter" href="Netcgi_ajp.html"> <link title="Netcgi_scgi" rel="Chapter" href="Netcgi_scgi.html"> <link title="Netcgi_cgi" rel="Chapter" href="Netcgi_cgi.html"> <link title="Netcgi_fcgi" rel="Chapter" href="Netcgi_fcgi.html"> <link title="Netcgi_dbi" rel="Chapter" href="Netcgi_dbi.html"> <link title="Netcgi1_compat" rel="Chapter" href="Netcgi1_compat.html"> <link title="Netcgi_test" rel="Chapter" href="Netcgi_test.html"> <link title="Netcgi_porting" rel="Chapter" href="Netcgi_porting.html"> <link title="Netcgi_plex" rel="Chapter" href="Netcgi_plex.html"> <link title="Http_client" rel="Chapter" href="Http_client.html"> <link title="Telnet_client" rel="Chapter" href="Telnet_client.html"> <link title="Ftp_data_endpoint" rel="Chapter" href="Ftp_data_endpoint.html"> <link title="Ftp_client" rel="Chapter" href="Ftp_client.html"> <link title="Nethttpd_types" rel="Chapter" href="Nethttpd_types.html"> <link title="Nethttpd_kernel" rel="Chapter" href="Nethttpd_kernel.html"> <link title="Nethttpd_reactor" rel="Chapter" href="Nethttpd_reactor.html"> <link title="Nethttpd_engine" rel="Chapter" href="Nethttpd_engine.html"> <link title="Nethttpd_services" rel="Chapter" href="Nethttpd_services.html"> <link title="Nethttpd_plex" rel="Chapter" href="Nethttpd_plex.html"> <link title="Nethttpd_intro" rel="Chapter" href="Nethttpd_intro.html"> <link title="Netplex_types" rel="Chapter" href="Netplex_types.html"> <link title="Netplex_mp" rel="Chapter" href="Netplex_mp.html"> <link title="Netplex_mt" rel="Chapter" href="Netplex_mt.html"> <link title="Netplex_log" rel="Chapter" href="Netplex_log.html"> <link title="Netplex_controller" rel="Chapter" href="Netplex_controller.html"> <link title="Netplex_container" rel="Chapter" href="Netplex_container.html"> <link title="Netplex_sockserv" rel="Chapter" href="Netplex_sockserv.html"> <link title="Netplex_workload" rel="Chapter" href="Netplex_workload.html"> <link title="Netplex_main" rel="Chapter" href="Netplex_main.html"> <link title="Netplex_config" rel="Chapter" href="Netplex_config.html"> <link title="Netplex_kit" rel="Chapter" href="Netplex_kit.html"> <link title="Rpc_netplex" rel="Chapter" href="Rpc_netplex.html"> <link title="Netplex_cenv" rel="Chapter" href="Netplex_cenv.html"> <link title="Netplex_intro" rel="Chapter" href="Netplex_intro.html"> <link title="Netshm" rel="Chapter" href="Netshm.html"> <link title="Netshm_data" rel="Chapter" href="Netshm_data.html"> <link title="Netshm_hashtbl" rel="Chapter" href="Netshm_hashtbl.html"> <link title="Netshm_array" rel="Chapter" href="Netshm_array.html"> <link title="Netshm_intro" rel="Chapter" href="Netshm_intro.html"> <link title="Netconversion" rel="Chapter" href="Netconversion.html"> <link title="Netchannels" rel="Chapter" href="Netchannels.html"> <link title="Netstream" rel="Chapter" href="Netstream.html"> <link title="Mimestring" rel="Chapter" href="Mimestring.html"> <link title="Netmime" rel="Chapter" href="Netmime.html"> <link title="Netsendmail" rel="Chapter" href="Netsendmail.html"> <link title="Neturl" rel="Chapter" href="Neturl.html"> <link title="Netaddress" rel="Chapter" href="Netaddress.html"> <link title="Netbuffer" rel="Chapter" href="Netbuffer.html"> <link title="Netdate" rel="Chapter" href="Netdate.html"> <link title="Netencoding" rel="Chapter" href="Netencoding.html"> <link title="Netulex" rel="Chapter" href="Netulex.html"> <link title="Netaccel" rel="Chapter" href="Netaccel.html"> <link title="Netaccel_link" rel="Chapter" href="Netaccel_link.html"> <link title="Nethtml" rel="Chapter" href="Nethtml.html"> <link title="Netstring_str" rel="Chapter" href="Netstring_str.html"> <link title="Netstring_pcre" rel="Chapter" href="Netstring_pcre.html"> <link title="Netstring_mt" rel="Chapter" href="Netstring_mt.html"> <link title="Netmappings" rel="Chapter" href="Netmappings.html"> <link title="Netaux" rel="Chapter" href="Netaux.html"> <link title="Nethttp" rel="Chapter" href="Nethttp.html"> <link title="Netchannels_tut" rel="Chapter" href="Netchannels_tut.html"> <link title="Netmime_tut" rel="Chapter" href="Netmime_tut.html"> <link title="Netsendmail_tut" rel="Chapter" href="Netsendmail_tut.html"> <link title="Netulex_tut" rel="Chapter" href="Netulex_tut.html"> <link title="Neturl_tut" rel="Chapter" href="Neturl_tut.html"> <link title="Netsys" rel="Chapter" href="Netsys.html"> <link title="Netpop" rel="Chapter" href="Netpop.html"> <link title="Rpc_auth_dh" rel="Chapter" href="Rpc_auth_dh.html"> <link title="Rpc_key_service" rel="Chapter" href="Rpc_key_service.html"> <link title="Rpc_time" rel="Chapter" href="Rpc_time.html"> <link title="Rpc_auth_local" rel="Chapter" href="Rpc_auth_local.html"> <link title="Rtypes" rel="Chapter" href="Rtypes.html"> <link title="Xdr" rel="Chapter" href="Xdr.html"> <link title="Rpc" rel="Chapter" href="Rpc.html"> <link title="Rpc_program" rel="Chapter" href="Rpc_program.html"> <link title="Rpc_portmapper_aux" rel="Chapter" href="Rpc_portmapper_aux.html"> <link title="Rpc_packer" rel="Chapter" href="Rpc_packer.html"> <link title="Rpc_transport" rel="Chapter" href="Rpc_transport.html"> <link title="Rpc_client" rel="Chapter" href="Rpc_client.html"> <link title="Rpc_simple_client" rel="Chapter" href="Rpc_simple_client.html"> <link title="Rpc_portmapper_clnt" rel="Chapter" href="Rpc_portmapper_clnt.html"> <link title="Rpc_portmapper" rel="Chapter" href="Rpc_portmapper.html"> <link title="Rpc_server" rel="Chapter" href="Rpc_server.html"> <link title="Rpc_auth_sys" rel="Chapter" href="Rpc_auth_sys.html"> <link title="Rpc_intro" rel="Chapter" href="Rpc_intro.html"> <link title="Rpc_mapping_ref" rel="Chapter" href="Rpc_mapping_ref.html"> <link title="Rpc_ssl" rel="Chapter" href="Rpc_ssl.html"> <link title="Rpc_xti_client" rel="Chapter" href="Rpc_xti_client.html"> <link title="Shell_sys" rel="Chapter" href="Shell_sys.html"> <link title="Shell" rel="Chapter" href="Shell.html"> <link title="Shell_uq" rel="Chapter" href="Shell_uq.html"> <link title="Shell_mt" rel="Chapter" href="Shell_mt.html"> <link title="Shell_intro" rel="Chapter" href="Shell_intro.html"> <link title="Netsmtp" rel="Chapter" href="Netsmtp.html"><link title="Additional methods" rel="Section" href="#1_Additionalmethods"> <title>Ocamlnet 2 Reference Manual : Uq_engines.poll_engine</title> </head> <body> <div class="navbar"><a href="Uq_engines.sync_engine.html">Previous</a> <a href="Uq_engines.html">Up</a> <a href="Uq_engines.poll_process_engine.html">Next</a> </div> <center><h1>Class <a href="type_Uq_engines.poll_engine.html">Uq_engines.poll_engine</a></h1></center> <br> <pre><span class="keyword">class</span> <a name="TYPEpoll_engine"></a>poll_engine : <code class="type">?extra_match:exn -> bool -> (<a href="Unixqueue.html#TYPEoperation">Unixqueue.operation</a> * float) list -> <a href="Unixqueue.event_system.html">Unixqueue.event_system</a> -> </code><code class="code">object</code> <a href="Uq_engines.poll_engine.html">..</a> <code class="code">end</code></pre>This engine waits until one of the passed operations can be carried out, or until one of the operations times out. In these cases, the state of the engine changes to <code class="code">`Done ev</code>, where <code class="code">ev</code> is the corresponding event. <p> The argument list enumerates the operations to watch for. For every operation there may be a positive timeout value, or a negative number to indicate that no timeout is specified. <p> After one event has been caught, the engine terminates operation. The method <code class="code">restart</code> can be called to activate it again (with the same event condition, and the same notification list). See the description of <code class="code">restart</code> for possible problems. <p> <br> <div class="param_info"><code class="code">extra_match</code> : This function is called when an <code class="code">Extra</code> event is found. If the function returns <code class="code">true</code> for the argument exception of <code class="code">Extra</code>, the event is caught; otherwise it is rejected.</div> <b>Inherits</b><ul> <li><a href="Uq_engines.engine.html"><code class="code">Uq_engines.engine</code></a></li> </ul> <hr width="100%"> <a name="1_Additionalmethods"></a> <h1>Additional methods</h1><pre><span class="keyword">method</span> <a name="METHODrestart"></a>restart : <code class="type">unit -> unit</code></pre><div class="info"> Activate the engine again when it is already in a final state. This method violates the engine protocol, and should be used with care; it is not allowed to leave a final state. <p> The notification lists are kept, but note that observers often detach when final states are reached. This may cause problems.<br> </div> <pre><span class="keyword">method</span> <a name="METHODgroup"></a>group : <code class="type"><a href="Unixqueue.html#TYPEgroup">Unixqueue.group</a></code></pre><div class="info"> Returns the group the engine is member of<br> </div> </body></html>
