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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 `RawMutex` trait in crate `lock_api`."><meta name="keywords" content="rust, rustlang, rust-lang, RawMutex"><title>lock_api::RawMutex - 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 trait"><!--[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'>Trait RawMutex</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.GuardMarker">GuardMarker</a></div><a class="sidebar-title" href="#associated-const">Associated Constants</a><div class="sidebar-links"><a href="#associatedconstant.INIT">INIT</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.lock">lock</a><a href="#tymethod.try_lock">try_lock</a><a href="#tymethod.unlock">unlock</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>lock_api</a></p><script>window.sidebarCurrent = {name: 'RawMutex', ty: 'trait', 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'>Trait <a href='index.html'>lock_api</a>::<wbr><a class="trait" href=''>RawMutex</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/lock_api/mutex.rs.html#26-42' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust trait'>pub unsafe trait RawMutex {
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type <a href='#associatedtype.GuardMarker' class="type">GuardMarker</a>;
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const <a href='#associatedconstant.INIT' class="constant"><b>INIT</b></a>: Self;
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fn <a href='#tymethod.lock' class='fnname'>lock</a>(&self);
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<div class='item-spacer'></div> fn <a href='#tymethod.try_lock' class='fnname'>try_lock</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.unlock' class='fnname'>unlock</a>(&self);
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}</pre></div><div class='docblock'><p>Basic operations for a mutex.</p>
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<p>Types implementing this trait can be used by <code>Mutex</code> to form a safe and
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fully-functioning mutex type.</p>
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<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
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<p>Implementations of this trait must ensure that the mutex is actually
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exclusive: a lock can't be acquired while the mutex is already locked.</p>
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</div>
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<h2 id='associated-types' class='small-section-header'>
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Associated Types<a href='#associated-types' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='associatedtype.GuardMarker' class='method'><span id='GuardMarker.t' class='invisible'><code>type <a href='#associatedtype.GuardMarker' class="type">GuardMarker</a></code></span></h3><div class='docblock'><p>Marker type which determines whether a lock guard should be <code>Send</code>. Use
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one of the <code>GuardSend</code> or <code>GuardNoSend</code> helper types here.</p>
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</div></div>
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<h2 id='associated-const' class='small-section-header'>
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Associated Constants<a href='#associated-const' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='associatedconstant.INIT' class='method'><span id='INIT.v' class='invisible'><code>const <a href='#associatedconstant.INIT' class="constant"><b>INIT</b></a>: Self</code></span></h3><div class='docblock'><p>Initial value for an unlocked mutex.</p>
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</div></div>
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<h2 id='required-methods' class='small-section-header'>
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Required Methods<a href='#required-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='tymethod.lock' class='method'><span id='lock.v' class='invisible'><code>fn <a href='#tymethod.lock' class='fnname'>lock</a>(&self)</code></span></h3><div class='docblock'><p>Acquires this mutex, blocking the current thread until it is able to do so.</p>
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</div><h3 id='tymethod.try_lock' class='method'><span id='try_lock.v' class='invisible'><code>fn <a href='#tymethod.try_lock' class='fnname'>try_lock</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span></h3><div class='docblock'><p>Attempts to acquire this mutex without blocking.</p>
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</div><h3 id='tymethod.unlock' class='method'><span id='unlock.v' class='invisible'><code>fn <a href='#tymethod.unlock' class='fnname'>unlock</a>(&self)</code></span></h3><div class='docblock'><p>Unlocks this mutex.</p>
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</div></div><h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><ul class='item-list' id='implementors-list'></ul><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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src="../implementors/lock_api/trait.RawMutex.js">
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