<!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 `Qutex` struct in crate `qutex`."> <meta name="keywords" content="rust, rustlang, rust-lang, Qutex"> <title>qutex::Qutex - 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="../main.css" id="themeStyle"> <script src="../storage.js"></script> </head> <body class="rustdoc struct"> <!--[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'>Struct Qutex</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.new">new</a><a href="#method.lock">lock</a><a href="#method.push_request">push_request</a><a href="#method.get_mut">get_mut</a><a href="#method.as_ptr">as_ptr</a><a href="#method.as_mut_ptr">as_mut_ptr</a><a href="#method.process_queue">process_queue</a><a href="#method.direct_unlock">direct_unlock</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Clone">Clone</a></div></div><p class='location'><a href='index.html'>qutex</a></p><script>window.sidebarCurrent = {name: 'Qutex', ty: 'struct', 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"> </div> </form> </nav> <section id='main' class="content"> <h1 class='fqn'><span class='in-band'>Struct <a href='index.html'>qutex</a>::<wbr><a class="struct" href=''>Qutex</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/qutex/qutex.rs.html#164-166' title='goto source code'>[src]</a></span></h1> <pre class='rust struct'>pub struct Qutex<T> { /* fields omitted */ }</pre><div class='docblock'><p>A lock-free-queue-backed exclusive data lock.</p> </div> <h2 id='methods' class='small-section-header'> Methods<a href='#methods' class='anchor'></a> </h2> <h3 id='impl' class='impl'><span class='in-band'><code>impl<T> <a class="struct" href="../qutex/struct.Qutex.html" title="struct qutex::Qutex">Qutex</a><T></code><a href='#impl' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#168-271' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.new' class="method"><span id='new.v' class='invisible'><code>pub fn <a href='#method.new' class='fnname'>new</a>(val: T) -> <a class="struct" href="../qutex/struct.Qutex.html" title="struct qutex::Qutex">Qutex</a><T></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#171-175' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Creates and returns a new <code>Qutex</code>.</p> </div><h4 id='method.lock' class="method"><span id='lock.v' class='invisible'><code>pub fn <a href='#method.lock' class='fnname'>lock</a>(self) -> <a class="struct" href="../qutex/struct.FutureGuard.html" title="struct qutex::FutureGuard">FutureGuard</a><T></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#179-183' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Returns a new <code>FutureGuard</code> which can be used as a future and will resolve into a <code>Guard</code>.</p> </div><h4 id='method.push_request' class="method"><span id='push_request.v' class='invisible'><code>pub unsafe fn <a href='#method.push_request' class='fnname'>push_request</a>(&self, req: <a class="struct" href="../qutex/struct.Request.html" title="struct qutex::Request">Request</a>)</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#191-193' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Pushes a lock request onto the queue.</p> </div><h4 id='method.get_mut' class="method"><span id='get_mut.v' class='invisible'><code>pub fn <a href='#method.get_mut' class='fnname'>get_mut</a>(&mut self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#202-204' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Returns a mutable reference to the inner <code>Vec</code> if there are currently no other copies of this <code>Qutex</code>.</p> <p>Since this call borrows the inner lock mutably, no actual locking needs to take place---the mutable borrow statically guarantees no locks exist.</p> </div><h4 id='method.as_ptr' class="method"><span id='as_ptr.v' class='invisible'><code>pub fn <a href='#method.as_ptr' class='fnname'>as_ptr</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const T</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#209-211' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Returns a reference to the inner value.</p> </div><h4 id='method.as_mut_ptr' class="method"><span id='as_mut_ptr.v' class='invisible'><code>pub fn <a href='#method.as_mut_ptr' class='fnname'>as_mut_ptr</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut T</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#216-218' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Returns a mutable reference to the inner value.</p> </div><h4 id='method.process_queue' class="method"><span id='process_queue.v' class='invisible'><code>pub unsafe fn <a href='#method.process_queue' class='fnname'>process_queue</a>(&self)</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#229-256' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Pops the next lock request in the queue if this (the caller's) lock is unlocked.</p> </div><h4 id='method.direct_unlock' class="method"><span id='direct_unlock.v' class='invisible'><code>pub unsafe fn <a href='#method.direct_unlock' class='fnname'>direct_unlock</a>(&self)</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#265-270' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Unlocks this (the caller's) lock and wakes up the next task in the queue.</p> </div></div> <h2 id='implementations' class='small-section-header'> Trait Implementations<a href='#implementations' class='anchor'></a> </h2> <h3 id='impl-Debug' class='impl'><span class='in-band'><code>impl<T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../qutex/struct.Qutex.html" title="struct qutex::Qutex">Qutex</a><T></code><a href='#impl-Debug' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#163' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, __arg_0: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#163' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p> </div></div><h3 id='impl-From%3CT%3E' class='impl'><span class='in-band'><code>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for <a class="struct" href="../qutex/struct.Qutex.html" title="struct qutex::Qutex">Qutex</a><T></code><a href='#impl-From%3CT%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#273-278' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.from' class="method"><span id='from.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(val: T) -> <a class="struct" href="../qutex/struct.Qutex.html" title="struct qutex::Qutex">Qutex</a><T></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#275-277' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Performs the conversion.</p> </div></div><h3 id='impl-Clone' class='impl'><span class='in-band'><code>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../qutex/struct.Qutex.html" title="struct qutex::Qutex">Qutex</a><T></code><a href='#impl-Clone' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#281-288' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.clone' class="method"><span id='clone.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../qutex/struct.Qutex.html" title="struct qutex::Qutex">Qutex</a><T></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/qutex/qutex.rs.html#283-287' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p> </div><h4 id='method.clone_from' class="method"><span id='clone_from.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code></span><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#112-114' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p> </div></div></section> <section id='search' class="content hidden"></section> <section class="footer"></section> <aside id="help" class="hidden"> <div> <h1 class="hidden">Help</h1> <div class="shortcuts"> <h2>Keyboard Shortcuts</h2> <dl> <dt><kbd>?</kbd></dt> <dd>Show this help dialog</dd> <dt><kbd>S</kbd></dt> <dd>Focus the search field</dd> <dt><kbd>↑</kbd></dt> <dd>Move up in search results</dd> <dt><kbd>↓</kbd></dt> <dd>Move down in search results</dd> 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