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27 KiB
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `socket` mod in crate `nix`."><meta name="keywords" content="rust, rustlang, rust-lang, socket"><title>nix::sys::socket - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script></head><body class="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><p class='location'>Module socket</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#modules">Modules</a></li><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#traits">Traits</a></li><li><a href="#functions">Functions</a></li><li><a href="#types">Type Definitions</a></li></ul></div><p class='location'><a href='../../index.html'>nix</a>::<wbr><a href='../index.html'>sys</a></p><script>window.sidebarCurrent = {name: 'socket', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Module <a href='../../index.html'>nix</a>::<wbr><a href='../index.html'>sys</a>::<wbr><a class="mod" href=''>socket</a></span><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../../src/nix/sys/socket/mod.rs.html#1-1000' title='goto source code'>[src]</a></span></h1><div class='docblock'><p>Socket interface functions</p>
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<p><a href="http://man7.org/linux/man-pages/man7/socket.7.html">Further reading</a></p>
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</div><h2 id='modules' class='section-header'><a href="#modules">Modules</a></h2>
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<table>
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||
<tr class=' module-item'>
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<td><a class="mod" href="sockopt/index.html"
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title='mod nix::sys::socket::sockopt'>sockopt</a></td>
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<td class='docblock-short'>
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</td>
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</tr></table><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table>
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||
<tr class=' module-item'>
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<td><a class="struct" href="struct.CmsgIterator.html"
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title='struct nix::sys::socket::CmsgIterator'>CmsgIterator</a></td>
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<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.CmsgSpace.html"
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title='struct nix::sys::socket::CmsgSpace'>CmsgSpace</a></td>
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<td class='docblock-short'>
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<p>A structure used to make room in a cmsghdr passed to recvmsg. The
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size and alignment match that of a cmsghdr followed by a T, but the
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fields are not accessible, as the actual types will change on a call
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to recvmsg.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.IpMembershipRequest.html"
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title='struct nix::sys::socket::IpMembershipRequest'>IpMembershipRequest</a></td>
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<td class='docblock-short'>
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<p>Request for multicast socket operations</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Ipv4Addr.html"
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title='struct nix::sys::socket::Ipv4Addr'>Ipv4Addr</a></td>
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<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Ipv6Addr.html"
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title='struct nix::sys::socket::Ipv6Addr'>Ipv6Addr</a></td>
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<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Ipv6MembershipRequest.html"
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title='struct nix::sys::socket::Ipv6MembershipRequest'>Ipv6MembershipRequest</a></td>
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<td class='docblock-short'>
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<p>Request for ipv6 multicast socket operations</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.LinkAddr.html"
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title='struct nix::sys::socket::LinkAddr'>LinkAddr</a></td>
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<td class='docblock-short'>
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<p>Hardware Address</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.MsgFlags.html"
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title='struct nix::sys::socket::MsgFlags'>MsgFlags</a></td>
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<td class='docblock-short'>
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<p>Flags for send/recv and their relatives</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.NetlinkAddr.html"
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title='struct nix::sys::socket::NetlinkAddr'>NetlinkAddr</a></td>
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<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.RecvMsg.html"
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title='struct nix::sys::socket::RecvMsg'>RecvMsg</a></td>
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<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.SockFlag.html"
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title='struct nix::sys::socket::SockFlag'>SockFlag</a></td>
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<td class='docblock-short'>
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<p>Additional socket options</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.UnixAddr.html"
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title='struct nix::sys::socket::UnixAddr'>UnixAddr</a></td>
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<td class='docblock-short'>
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<p>A wrapper around <code>sockaddr_un</code>.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.UnixCredentials.html"
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title='struct nix::sys::socket::UnixCredentials'>UnixCredentials</a></td>
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<td class='docblock-short'>
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<p>Unix credentials of the sending process.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.cmsghdr.html"
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title='struct nix::sys::socket::cmsghdr'>cmsghdr</a></td>
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<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.msghdr.html"
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title='struct nix::sys::socket::msghdr'>msghdr</a></td>
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<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.sockaddr.html"
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title='struct nix::sys::socket::sockaddr'>sockaddr</a></td>
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<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.sockaddr_in.html"
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title='struct nix::sys::socket::sockaddr_in'>sockaddr_in</a></td>
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||
<td class='docblock-short'>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.sockaddr_in6.html"
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title='struct nix::sys::socket::sockaddr_in6'>sockaddr_in6</a></td>
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||
<td class='docblock-short'>
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||
</td>
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</tr>
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<tr class=' module-item'>
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||
<td><a class="struct" href="struct.sockaddr_storage.html"
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||
title='struct nix::sys::socket::sockaddr_storage'>sockaddr_storage</a></td>
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||
<td class='docblock-short'>
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||
</td>
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||
</tr>
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<tr class=' module-item'>
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||
<td><a class="struct" href="struct.sockaddr_un.html"
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title='struct nix::sys::socket::sockaddr_un'>sockaddr_un</a></td>
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||
<td class='docblock-short'>
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||
</td>
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||
</tr></table><h2 id='enums' class='section-header'><a href="#enums">Enums</a></h2>
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||
<table>
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||
<tr class=' module-item'>
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||
<td><a class="enum" href="enum.AddressFamily.html"
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||
title='enum nix::sys::socket::AddressFamily'>AddressFamily</a></td>
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||
<td class='docblock-short'>
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||
<p>These constants specify the protocol family to be used
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in <a href="fn.socket.html"><code>socket</code></a> and <a href="fn.socketpair.html"><code>socketpair</code></a></p>
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||
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||
</td>
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||
</tr>
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||
<tr class=' module-item'>
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||
<td><a class="enum" href="enum.ControlMessage.html"
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||
title='enum nix::sys::socket::ControlMessage'>ControlMessage</a></td>
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||
<td class='docblock-short'>
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||
<p>A type-safe wrapper around a single control message. More types may
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||
be added to this enum; do not exhaustively pattern-match it.
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||
<a href="http://man7.org/linux/man-pages/man3/cmsg.3.html">Further reading</a></p>
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||
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||
</td>
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||
</tr>
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||
<tr class=' module-item'>
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||
<td><a class="enum" href="enum.InetAddr.html"
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||
title='enum nix::sys::socket::InetAddr'>InetAddr</a></td>
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||
<td class='docblock-short'>
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||
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||
</td>
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||
</tr>
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<tr class=' module-item'>
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||
<td><a class="enum" href="enum.IpAddr.html"
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||
title='enum nix::sys::socket::IpAddr'>IpAddr</a></td>
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||
<td class='docblock-short'>
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||
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||
</td>
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||
</tr>
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||
<tr class=' module-item'>
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||
<td><a class="enum" href="enum.Shutdown.html"
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||
title='enum nix::sys::socket::Shutdown'>Shutdown</a></td>
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||
<td class='docblock-short'>
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||
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||
</td>
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||
</tr>
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||
<tr class=' module-item'>
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||
<td><a class="enum" href="enum.SockAddr.html"
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||
title='enum nix::sys::socket::SockAddr'>SockAddr</a></td>
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||
<td class='docblock-short'>
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||
<p>Represents a socket address</p>
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||
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||
</td>
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||
</tr>
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||
<tr class=' module-item'>
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||
<td><a class="enum" href="enum.SockLevel.html"
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||
title='enum nix::sys::socket::SockLevel'>SockLevel</a></td>
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||
<td class='docblock-short'>
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||
<p>The protocol level at which to get / set socket options. Used as an
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||
argument to <code>getsockopt</code> and <code>setsockopt</code>.</p>
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||
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||
</td>
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||
</tr>
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||
<tr class=' module-item'>
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||
<td><a class="enum" href="enum.SockProtocol.html"
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||
title='enum nix::sys::socket::SockProtocol'>SockProtocol</a></td>
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||
<td class='docblock-short'>
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||
<p>Constants used in <a href="fn.socket.html"><code>socket</code></a> and <a href="fn.socketpair.html"><code>socketpair</code></a>
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||
to specify the protocol to use.</p>
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||
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||
</td>
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||
</tr>
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||
<tr class=' module-item'>
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||
<td><a class="enum" href="enum.SockType.html"
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||
title='enum nix::sys::socket::SockType'>SockType</a></td>
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||
<td class='docblock-short'>
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||
<p>These constants are used to specify the communication semantics
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||
when creating a socket with <a href="fn.socket.html"><code>socket()</code></a></p>
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||
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||
</td>
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||
</tr></table><h2 id='traits' class='section-header'><a href="#traits">Traits</a></h2>
|
||
<table>
|
||
<tr class=' module-item'>
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||
<td><a class="trait" href="trait.GetSockOpt.html"
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||
title='trait nix::sys::socket::GetSockOpt'>GetSockOpt</a></td>
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||
<td class='docblock-short'>
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||
<p>Represents a socket option that can be accessed or set. Used as an argument
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||
to <code>getsockopt</code></p>
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||
|
||
</td>
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||
</tr>
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||
<tr class=' module-item'>
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||
<td><a class="trait" href="trait.SetSockOpt.html"
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||
title='trait nix::sys::socket::SetSockOpt'>SetSockOpt</a></td>
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||
<td class='docblock-short'>
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||
<p>Represents a socket option that can be accessed or set. Used as an argument
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to <code>setsockopt</code></p>
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||
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||
</td>
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||
</tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2>
|
||
<table>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.accept.html"
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||
title='fn nix::sys::socket::accept'>accept</a></td>
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||
<td class='docblock-short'>
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||
<p>Accept a connection on a socket</p>
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||
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||
</td>
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||
</tr>
|
||
<tr class=' module-item'>
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||
<td><a class="fn" href="fn.accept4.html"
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||
title='fn nix::sys::socket::accept4'>accept4</a></td>
|
||
<td class='docblock-short'>
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||
<p>Accept a connection on a socket</p>
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||
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||
</td>
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||
</tr>
|
||
<tr class=' module-item'>
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||
<td><a class="fn" href="fn.bind.html"
|
||
title='fn nix::sys::socket::bind'>bind</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Bind a name to a socket</p>
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||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
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||
<td><a class="fn" href="fn.connect.html"
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||
title='fn nix::sys::socket::connect'>connect</a></td>
|
||
<td class='docblock-short'>
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||
<p>Initiate a connection on a socket</p>
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||
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||
</td>
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||
</tr>
|
||
<tr class=' module-item'>
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||
<td><a class="fn" href="fn.getpeername.html"
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||
title='fn nix::sys::socket::getpeername'>getpeername</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Get the address of the peer connected to the socket <code>fd</code>.</p>
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||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
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||
<td><a class="fn" href="fn.getsockname.html"
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||
title='fn nix::sys::socket::getsockname'>getsockname</a></td>
|
||
<td class='docblock-short'>
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||
<p>Get the current address to which the socket <code>fd</code> is bound.</p>
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||
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||
</td>
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||
</tr>
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||
<tr class=' module-item'>
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||
<td><a class="fn" href="fn.getsockopt.html"
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||
title='fn nix::sys::socket::getsockopt'>getsockopt</a></td>
|
||
<td class='docblock-short'>
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||
<p>Get the current value for the requested socket option</p>
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||
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||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.listen.html"
|
||
title='fn nix::sys::socket::listen'>listen</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Listen for connections on a socket</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.recv.html"
|
||
title='fn nix::sys::socket::recv'>recv</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Receive data from a connection-oriented socket. Returns the number of
|
||
bytes read</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.recvfrom.html"
|
||
title='fn nix::sys::socket::recvfrom'>recvfrom</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Receive data from a connectionless or connection-oriented socket. Returns
|
||
the number of bytes read and the socket address of the sender.</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.recvmsg.html"
|
||
title='fn nix::sys::socket::recvmsg'>recvmsg</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Receive message in scatter-gather vectors from a socket, and
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||
optionally receive ancillary data into the provided buffer.
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||
If no ancillary data is desired, use () as the type parameter.</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.send.html"
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||
title='fn nix::sys::socket::send'>send</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Send data to a connection-oriented socket. Returns the number of bytes read</p>
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||
|
||
</td>
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||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.sendmsg.html"
|
||
title='fn nix::sys::socket::sendmsg'>sendmsg</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Send data in scatter-gather vectors to a socket, possibly accompanied
|
||
by ancillary data. Optionally direct the message at the given address,
|
||
as with sendto.</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.sendto.html"
|
||
title='fn nix::sys::socket::sendto'>sendto</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Send a message to a socket</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.setsockopt.html"
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||
title='fn nix::sys::socket::setsockopt'>setsockopt</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Sets the value for the requested socket option</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.shutdown.html"
|
||
title='fn nix::sys::socket::shutdown'>shutdown</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Shut down part of a full-duplex connection.</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.sockaddr_storage_to_addr.html"
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||
title='fn nix::sys::socket::sockaddr_storage_to_addr'>sockaddr_storage_to_addr</a><a title='unsafe function' href='#'><sup>⚠</sup></a></td>
|
||
<td class='docblock-short'>
|
||
<p>Return the appropriate <code>SockAddr</code> type from a <code>sockaddr_storage</code> of a certain
|
||
size. In C this would usually be done by casting. The <code>len</code> argument
|
||
should be the number of bytes in the <code>sockaddr_storage</code> that are actually
|
||
allocated and valid. It must be at least as large as all the useful parts
|
||
of the structure. Note that in the case of a <code>sockaddr_un</code>, <code>len</code> need not
|
||
include the terminating null.</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.socket.html"
|
||
title='fn nix::sys::socket::socket'>socket</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Create an endpoint for communication</p>
|
||
|
||
</td>
|
||
</tr>
|
||
<tr class=' module-item'>
|
||
<td><a class="fn" href="fn.socketpair.html"
|
||
title='fn nix::sys::socket::socketpair'>socketpair</a></td>
|
||
<td class='docblock-short'>
|
||
<p>Create a pair of connected sockets</p>
|
||
|
||
</td>
|
||
</tr></table><h2 id='types' class='section-header'><a href="#types">Type Definitions</a></h2>
|
||
<table>
|
||
<tr class=' module-item'>
|
||
<td><a class="type" href="type.sa_family_t.html"
|
||
title='type nix::sys::socket::sa_family_t'>sa_family_t</a></td>
|
||
<td class='docblock-short'>
|
||
|
||
</td>
|
||
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