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| <div id="projectbrief">Lightweight IP stack</div> |
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| <div class="headertitle"><div class="title">sockets.c File Reference</div></div> |
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| <div class="textblock"><code>#include "<a class="el" href="opt_8h.html">lwip/opt.h</a>"</code><br /> |
| <code>#include "<a class="el" href="sockets_8h.html">lwip/sockets.h</a>"</code><br /> |
| <code>#include "<a class="el" href="sockets__priv_8h.html">lwip/priv/sockets_priv.h</a>"</code><br /> |
| <code>#include "<a class="el" href="api_8h.html">lwip/api.h</a>"</code><br /> |
| <code>#include "<a class="el" href="igmp_8h.html">lwip/igmp.h</a>"</code><br /> |
| <code>#include "<a class="el" href="lwip_2inet_8h.html">lwip/inet.h</a>"</code><br /> |
| <code>#include "<a class="el" href="tcp_8h.html">lwip/tcp.h</a>"</code><br /> |
| <code>#include "<a class="el" href="raw_8h.html">lwip/raw.h</a>"</code><br /> |
| <code>#include "<a class="el" href="udp_8h.html">lwip/udp.h</a>"</code><br /> |
| <code>#include "<a class="el" href="memp_8h.html">lwip/memp.h</a>"</code><br /> |
| <code>#include "<a class="el" href="pbuf_8h.html">lwip/pbuf.h</a>"</code><br /> |
| <code>#include "<a class="el" href="netif_8h.html">lwip/netif.h</a>"</code><br /> |
| <code>#include "<a class="el" href="tcpip__priv_8h.html">lwip/priv/tcpip_priv.h</a>"</code><br /> |
| <code>#include "<a class="el" href="mld6_8h.html">lwip/mld6.h</a>"</code><br /> |
| <code>#include <string.h></code><br /> |
| <code>#include "path/to/my/lwip_hooks.h"</code><br /> |
| </div><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a> |
| Data Structures</h2></td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">union  </td><td class="memItemRight" valign="bottom"><a class="el" href="unionsockaddr__aligned.html">sockaddr_aligned</a></td></tr> |
| <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="enum-members" name="enum-members"></a> |
| Enumerations</h2></td></tr> |
| <tr class="memitem:a2f15a466e75cbaaea0c31e63116870f9" id="r_a2f15a466e75cbaaea0c31e63116870f9"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="#a2f15a466e75cbaaea0c31e63116870f9">lwip_pollscan_opts</a> { <a class="el" href="#a2f15a466e75cbaaea0c31e63116870f9aa9a8fe3199d00016f1f5ad639e1b28f7">LWIP_POLLSCAN_CLEAR</a> = 1 |
| , <a class="el" href="#a2f15a466e75cbaaea0c31e63116870f9ab6511d3104f70c18fb4bd80f24cb867d">LWIP_POLLSCAN_INC_WAIT</a> = 2 |
| , <a class="el" href="#a2f15a466e75cbaaea0c31e63116870f9a6c1eefa3e29a39b923c4b522eb1b3eb1">LWIP_POLLSCAN_DEC_WAIT</a> = 4 |
| }</td></tr> |
| <tr class="separator:a2f15a466e75cbaaea0c31e63116870f9"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:a0a250b3b4d1827e3a3661327f5e80ae0" id="r_a0a250b3b4d1827e3a3661327f5e80ae0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#a0a250b3b4d1827e3a3661327f5e80ae0">lwip_socket_thread_init</a> (void)</td></tr> |
| <tr class="separator:a0a250b3b4d1827e3a3661327f5e80ae0"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ab8cd92b10dbe3fb33da03faed1ea98a7" id="r_ab8cd92b10dbe3fb33da03faed1ea98a7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ab8cd92b10dbe3fb33da03faed1ea98a7">lwip_socket_thread_cleanup</a> (void)</td></tr> |
| <tr class="separator:ab8cd92b10dbe3fb33da03faed1ea98a7"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:abee6ee286147cf334a1ba19f19b2e08b" id="r_abee6ee286147cf334a1ba19f19b2e08b"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#abee6ee286147cf334a1ba19f19b2e08b">lwip_listen</a> (int s, int backlog)</td></tr> |
| <tr class="separator:abee6ee286147cf334a1ba19f19b2e08b"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ade85c68b6673296c8fb67127b93fa4c1" id="r_ade85c68b6673296c8fb67127b93fa4c1"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ade85c68b6673296c8fb67127b93fa4c1">lwip_shutdown</a> (int s, int how)</td></tr> |
| <tr class="separator:ade85c68b6673296c8fb67127b93fa4c1"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ae84296093574ec746f8f88321356388f" id="r_ae84296093574ec746f8f88321356388f"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ae84296093574ec746f8f88321356388f">lwip_fcntl</a> (int s, int cmd, int val)</td></tr> |
| <tr class="separator:ae84296093574ec746f8f88321356388f"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Sockets BSD-Like API module </p> |
| </div><h2 class="groupheader">Enumeration Type Documentation</h2> |
| <a id="a2f15a466e75cbaaea0c31e63116870f9" name="a2f15a466e75cbaaea0c31e63116870f9"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a2f15a466e75cbaaea0c31e63116870f9">◆ </a></span>lwip_pollscan_opts</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">enum <a class="el" href="#a2f15a466e75cbaaea0c31e63116870f9">lwip_pollscan_opts</a></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Options for the lwip_pollscan function. </p> |
| <table class="fieldtable"> |
| <tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a2f15a466e75cbaaea0c31e63116870f9aa9a8fe3199d00016f1f5ad639e1b28f7" name="a2f15a466e75cbaaea0c31e63116870f9aa9a8fe3199d00016f1f5ad639e1b28f7"></a>LWIP_POLLSCAN_CLEAR </td><td class="fielddoc"><p>Clear revents in each struct pollfd. </p> |
| </td></tr> |
| <tr><td class="fieldname"><a id="a2f15a466e75cbaaea0c31e63116870f9ab6511d3104f70c18fb4bd80f24cb867d" name="a2f15a466e75cbaaea0c31e63116870f9ab6511d3104f70c18fb4bd80f24cb867d"></a>LWIP_POLLSCAN_INC_WAIT </td><td class="fielddoc"><p>Increment select_waiting in each struct <a class="el" href="structlwip__sock.html">lwip_sock</a>. </p> |
| </td></tr> |
| <tr><td class="fieldname"><a id="a2f15a466e75cbaaea0c31e63116870f9a6c1eefa3e29a39b923c4b522eb1b3eb1" name="a2f15a466e75cbaaea0c31e63116870f9a6c1eefa3e29a39b923c4b522eb1b3eb1"></a>LWIP_POLLSCAN_DEC_WAIT </td><td class="fielddoc"><p>Decrement select_waiting in each struct <a class="el" href="structlwip__sock.html">lwip_sock</a>. </p> |
| </td></tr> |
| </table> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a id="ae84296093574ec746f8f88321356388f" name="ae84296093574ec746f8f88321356388f"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ae84296093574ec746f8f88321356388f">◆ </a></span>lwip_fcntl()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int lwip_fcntl </td> |
| <td>(</td> |
| <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>s</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>cmd</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>A minimal implementation of fcntl. Currently only the commands F_GETFL and F_SETFL are implemented. The flag O_NONBLOCK and access modes are supported for F_GETFL, only the flag O_NONBLOCK is implemented for F_SETFL. </p> |
| |
| </div> |
| </div> |
| <a id="abee6ee286147cf334a1ba19f19b2e08b" name="abee6ee286147cf334a1ba19f19b2e08b"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#abee6ee286147cf334a1ba19f19b2e08b">◆ </a></span>lwip_listen()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int lwip_listen </td> |
| <td>(</td> |
| <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>s</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>backlog</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Set a socket into listen mode. The socket may not have been used for another connection previously.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">s</td><td>the socket to set to listening mode </td></tr> |
| <tr><td class="paramname">backlog</td><td>(ATTENTION: needs TCP_LISTEN_BACKLOG=1) </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>0 on success, non-zero on failure </dd></dl> |
| |
| </div> |
| </div> |
| <a id="ade85c68b6673296c8fb67127b93fa4c1" name="ade85c68b6673296c8fb67127b93fa4c1"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ade85c68b6673296c8fb67127b93fa4c1">◆ </a></span>lwip_shutdown()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int lwip_shutdown </td> |
| <td>(</td> |
| <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>s</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>how</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Close one end of a full-duplex connection. </p> |
| |
| </div> |
| </div> |
| <a id="ab8cd92b10dbe3fb33da03faed1ea98a7" name="ab8cd92b10dbe3fb33da03faed1ea98a7"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ab8cd92b10dbe3fb33da03faed1ea98a7">◆ </a></span>lwip_socket_thread_cleanup()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void lwip_socket_thread_cleanup </td> |
| <td>(</td> |
| <td class="paramtype">void</td> <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore </p> |
| |
| </div> |
| </div> |
| <a id="a0a250b3b4d1827e3a3661327f5e80ae0" name="a0a250b3b4d1827e3a3661327f5e80ae0"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a0a250b3b4d1827e3a3661327f5e80ae0">◆ </a></span>lwip_socket_thread_init()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void lwip_socket_thread_init </td> |
| <td>(</td> |
| <td class="paramtype">void</td> <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore </p> |
| |
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