<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>Apache Portable Runtime: Socket option definitions</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.3.9.1 --> <div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a></div> <h1>Socket option definitions<br> <small> [<a class="el" href="group__apr__network__io.html">Network Routines</a>]</small> </h1><table border="0" cellpadding="0" cellspacing="0"> <tr><td></td></tr> <tr><td colspan="2"><br><h2>Defines</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga0">APR_SO_LINGER</a> 1</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga1">APR_SO_KEEPALIVE</a> 2</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga2">APR_SO_DEBUG</a> 4</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga3">APR_SO_NONBLOCK</a> 8</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga4">APR_SO_REUSEADDR</a> 16</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga5">APR_SO_SNDBUF</a> 64</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga6">APR_SO_RCVBUF</a> 128</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga7">APR_SO_DISCONNECTED</a> 256</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga8">APR_TCP_NODELAY</a> 512</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga9">APR_TCP_NOPUSH</a> 1024</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga10">APR_RESET_NODELAY</a> 2048</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga11">APR_INCOMPLETE_READ</a> 4096</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga12">APR_INCOMPLETE_WRITE</a> 8192</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga13">APR_IPV6_V6ONLY</a> 16384</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__sockopt.html#ga14">APR_TCP_DEFER_ACCEPT</a> 32768</td></tr> </table> <hr><h2>Define Documentation</h2> <a class="anchor" name="ga11" doxytag="apr_network_io.h::APR_INCOMPLETE_READ"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_INCOMPLETE_READ 4096 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Set on non-blocking sockets (timeout != 0) on which the previous read() did not fill a buffer completely. the next <a class="el" href="group__apr__network__io.html#ga24">apr_socket_recv()</a> will first call select()/poll() rather than going straight into read(). (Can also be set by an application to force a select()/poll() call before the next read, in cases where the app expects that an immediate read would fail.) </td> </tr> </table> <a class="anchor" name="ga12" doxytag="apr_network_io.h::APR_INCOMPLETE_WRITE"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_INCOMPLETE_WRITE 8192 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> like APR_INCOMPLETE_READ, but for write <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__apr__sockopt.html#ga11">APR_INCOMPLETE_READ</a> </dd></dl> </td> </tr> </table> <a class="anchor" name="ga13" doxytag="apr_network_io.h::APR_IPV6_V6ONLY"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_IPV6_V6ONLY 16384 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Don't accept IPv4 connections on an IPv6 listening socket. </td> </tr> </table> <a class="anchor" name="ga10" doxytag="apr_network_io.h::APR_RESET_NODELAY"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_RESET_NODELAY 2048 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> This flag is ONLY set internally when we set APR_TCP_NOPUSH with APR_TCP_NODELAY set to tell us that APR_TCP_NODELAY should be turned on again when NOPUSH is turned off </td> </tr> </table> <a class="anchor" name="ga2" doxytag="apr_network_io.h::APR_SO_DEBUG"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_SO_DEBUG 4 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Debug </td> </tr> </table> <a class="anchor" name="ga7" doxytag="apr_network_io.h::APR_SO_DISCONNECTED"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_SO_DISCONNECTED 256 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Disconnected </td> </tr> </table> <a class="anchor" name="ga1" doxytag="apr_network_io.h::APR_SO_KEEPALIVE"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_SO_KEEPALIVE 2 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Keepalive </td> </tr> </table> <a class="anchor" name="ga0" doxytag="apr_network_io.h::APR_SO_LINGER"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_SO_LINGER 1 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Linger </td> </tr> </table> <a class="anchor" name="ga3" doxytag="apr_network_io.h::APR_SO_NONBLOCK"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_SO_NONBLOCK 8 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Non-blocking IO </td> </tr> </table> <a class="anchor" name="ga6" doxytag="apr_network_io.h::APR_SO_RCVBUF"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_SO_RCVBUF 128 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Receive buffer </td> </tr> </table> <a class="anchor" name="ga4" doxytag="apr_network_io.h::APR_SO_REUSEADDR"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_SO_REUSEADDR 16 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Reuse addresses </td> </tr> </table> <a class="anchor" name="ga5" doxytag="apr_network_io.h::APR_SO_SNDBUF"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_SO_SNDBUF 64 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Send buffer </td> </tr> </table> <a class="anchor" name="ga14" doxytag="apr_network_io.h::APR_TCP_DEFER_ACCEPT"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_TCP_DEFER_ACCEPT 32768 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Delay accepting of new connections until data is available. <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__apr__network__io.html#ga37">apr_socket_accept_filter</a> </dd></dl> </td> </tr> </table> <a class="anchor" name="ga8" doxytag="apr_network_io.h::APR_TCP_NODELAY"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_TCP_NODELAY 512 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> For SCTP sockets, this is mapped to STCP_NODELAY internally. </td> </tr> </table> <a class="anchor" name="ga9" doxytag="apr_network_io.h::APR_TCP_NOPUSH"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">#define APR_TCP_NOPUSH 1024 </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> 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