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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 `mqueue` mod in crate `nix`."><meta name="keywords" content="rust, rustlang, rust-lang, mqueue"><title>nix::mqueue - 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><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="shortcut icon" href="../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></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><a href='../../nix/index.html'><div class='logo-container'><img src='../../rust-logo.png' alt='logo'></div></a><p class='location'>Module mqueue</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#functions">Functions</a></li></ul></div><p class='location'><a href='../index.html'>nix</a></p><script>window.sidebarCurrent = {name: 'mqueue', 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"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><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='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/mqueue.rs.html#1-162' title='goto source code'>[src]</a></span><span class='in-band'>Module <a href='../index.html'>nix</a>::<wbr><a class="mod" href=''>mqueue</a></span></h1><div class='docblock'><p>Posix Message Queue functions</p>
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<p><a href="http://man7.org/linux/man-pages/man7/mq_overview.7.html">Further reading and details on the C API</a></p>
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</div><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table><tr class='module-item'><td><a class="struct" href="struct.FdFlag.html" title='nix::mqueue::FdFlag struct'>FdFlag</a></td><td class='docblock-short'></td></tr><tr class='module-item'><td><a class="struct" href="struct.MQ_OFlag.html" title='nix::mqueue::MQ_OFlag struct'>MQ_OFlag</a></td><td class='docblock-short'></td></tr><tr class='module-item'><td><a class="struct" href="struct.MqAttr.html" title='nix::mqueue::MqAttr struct'>MqAttr</a></td><td class='docblock-short'></td></tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2>
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<table><tr class='module-item'><td><a class="fn" href="fn.mq_close.html" title='nix::mqueue::mq_close fn'>mq_close</a></td><td class='docblock-short'><p>Close a message queue</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.mq_getattr.html" title='nix::mqueue::mq_getattr fn'>mq_getattr</a></td><td class='docblock-short'><p>Get message queue attributes</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.mq_open.html" title='nix::mqueue::mq_open fn'>mq_open</a></td><td class='docblock-short'><p>Open a message queue</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.mq_receive.html" title='nix::mqueue::mq_receive fn'>mq_receive</a></td><td class='docblock-short'><p>Receive a message from a message queue</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.mq_remove_nonblock.html" title='nix::mqueue::mq_remove_nonblock fn'>mq_remove_nonblock</a></td><td class='docblock-short'><p>Convenience function.
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Removes <code>O_NONBLOCK</code> attribute for a given message queue descriptor
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Returns the old attributes</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.mq_send.html" title='nix::mqueue::mq_send fn'>mq_send</a></td><td class='docblock-short'><p>Send a message to a message queue</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.mq_set_nonblock.html" title='nix::mqueue::mq_set_nonblock fn'>mq_set_nonblock</a></td><td class='docblock-short'><p>Convenience function.
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Sets the <code>O_NONBLOCK</code> attribute for a given message queue descriptor
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Returns the old attributes</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.mq_setattr.html" title='nix::mqueue::mq_setattr fn'>mq_setattr</a></td><td class='docblock-short'><p>Set the attributes of the message queue. Only <code>O_NONBLOCK</code> can be set, everything else will be ignored
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Returns the old attributes
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It is recommend to use the <code>mq_set_nonblock()</code> and <code>mq_remove_nonblock()</code> convenience functions as they are easier to use</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.mq_unlink.html" title='nix::mqueue::mq_unlink fn'>mq_unlink</a></td><td class='docblock-short'><p>Remove a message queue</p>
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