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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="A Condition Variable"><meta name="keywords" content="rust, rustlang, rust-lang, Condvar"><title>Condvar in parking_lot - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><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="../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../dark.css" disabled><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script src="../crates.js"></script><script defer src="../main.js"></script>
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</a><h2 class="location">Struct Condvar</h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#implementations">Methods</a></h3><div class="sidebar-links"><a href="#method.new">new</a><a href="#method.notify_all">notify_all</a><a href="#method.notify_one">notify_one</a><a href="#method.wait">wait</a><a href="#method.wait_for">wait_for</a><a href="#method.wait_until">wait_until</a></div><h3 class="sidebar-title"><a href="#trait-implementations">Trait Implementations</a></h3><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Default">Default</a></div><h3 class="sidebar-title"><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><div class="sidebar-links"><a href="#impl-RefUnwindSafe">RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">UnwindSafe</a></div><h3 class="sidebar-title"><a href="#blanket-implementations">Blanket Implementations</a></h3><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><h2 class="location">Other items in<br><a href="index.html">parking_lot</a></h2><div id="sidebar-vars" data-name="Condvar" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../parking_lot/index.html"><img class="rust-logo" src="../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><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><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><h1 class="fqn"><span class="in-band">Struct <a href="index.html">parking_lot</a>::<wbr><a class="struct" href="#">Condvar</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></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/parking_lot/condvar.rs.html#89-91" title="goto source code">[src]</a></span></h1><div class="docblock item-decl"><pre class="rust struct"><code>pub struct Condvar { /* fields omitted */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A Condition Variable</p>
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<p>Condition variables represent the ability to block a thread such that it
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consumes no CPU time while waiting for an event to occur. Condition
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variables are typically associated with a boolean predicate (a condition)
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and a mutex. The predicate is always verified inside of the mutex before
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determining that thread must block.</p>
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<p>Note that this module places one additional restriction over the system
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condition variables: each condvar can be used with only one mutex at a
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time. Any attempt to use multiple mutexes on the same condition variable
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simultaneously will result in a runtime panic. However it is possible to
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switch to a different mutex if there are no threads currently waiting on
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the condition variable.</p>
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<h2 id="differences-from-the-standard-library-condvar" class="section-header"><a href="#differences-from-the-standard-library-condvar">Differences from the standard library <code>Condvar</code></a></h2>
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<ul>
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<li>No spurious wakeups: A wait will only return a non-timeout result if it
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was woken up by <code>notify_one</code> or <code>notify_all</code>.</li>
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<li><code>Condvar::notify_all</code> will only wake up a single thread, the rest are
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requeued to wait for the <code>Mutex</code> to be unlocked by the thread that was
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woken up.</li>
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<li>Only requires 1 word of space, whereas the standard library boxes the
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<code>Condvar</code> due to platform limitations.</li>
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<li>Can be statically constructed (requires the <code>const_fn</code> nightly feature).</li>
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<li>Does not require any drop glue when dropped.</li>
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<li>Inline fast path for the uncontended case.</li>
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</ul>
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<h2 id="examples" class="section-header"><a href="#examples">Examples</a></h2>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use</span> <span class="ident">parking_lot</span>::{<span class="ident">Mutex</span>, <span class="ident">Condvar</span>};
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<span class="kw">use</span> <span class="ident">std::sync::Arc</span>;
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<span class="kw">use</span> <span class="ident">std::thread</span>;
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<span class="kw">let</span> <span class="ident">pair</span> <span class="op">=</span> <span class="ident">Arc::new</span>((<span class="ident">Mutex::new</span>(<span class="bool-val">false</span>), <span class="ident">Condvar::new</span>()));
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<span class="kw">let</span> <span class="ident">pair2</span> <span class="op">=</span> <span class="ident">pair</span>.<span class="ident">clone</span>();
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<span class="comment">// Inside of our lock, spawn a new thread, and then wait for it to start</span>
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<span class="ident">thread::spawn</span>(<span class="kw">move</span><span class="op">|</span><span class="op">|</span> {
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<span class="kw">let</span> <span class="kw-2">&</span>(<span class="kw-2">ref</span> <span class="ident">lock</span>, <span class="kw-2">ref</span> <span class="ident">cvar</span>) <span class="op">=</span> <span class="kw-2">&</span><span class="kw-2">*</span><span class="ident">pair2</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">started</span> <span class="op">=</span> <span class="ident">lock</span>.<span class="ident">lock</span>();
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<span class="kw-2">*</span><span class="ident">started</span> <span class="op">=</span> <span class="bool-val">true</span>;
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<span class="ident">cvar</span>.<span class="ident">notify_one</span>();
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});
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<span class="comment">// wait for the thread to start up</span>
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<span class="kw">let</span> <span class="kw-2">&</span>(<span class="kw-2">ref</span> <span class="ident">lock</span>, <span class="kw-2">ref</span> <span class="ident">cvar</span>) <span class="op">=</span> <span class="kw-2">&</span><span class="kw-2">*</span><span class="ident">pair</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">started</span> <span class="op">=</span> <span class="ident">lock</span>.<span class="ident">lock</span>();
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<span class="kw">if</span> <span class="op">!</span><span class="kw-2">*</span><span class="ident">started</span> {
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<span class="ident">cvar</span>.<span class="ident">wait</span>(<span class="kw-2">&mut</span> <span class="ident">started</span>);
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}
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<span class="comment">// Note that we used an if instead of a while loop above. This is only</span>
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<span class="comment">// possible because parking_lot's Condvar will never spuriously wake up.</span>
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<span class="comment">// This means that wait() will only return after notify_one or notify_all is</span>
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<span class="comment">// called.</span></code></pre></div>
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</div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#93-392" title="goto source code">[src]</a></div><a href="#impl" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.new" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#97-101" title="goto source code">[src]</a></div><a href="#method.new" class="anchor"></a><h4 class="code-header">pub const fn <a href="#method.new" class="fnname">new</a>() -> <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h4></div></summary><div class="docblock"><p>Creates a new condition variable which is ready to be waited on and
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notified.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.notify_one" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#127-135" title="goto source code">[src]</a></div><a href="#method.notify_one" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.notify_one" class="fnname">notify_one</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.bool.html">bool</a></h4></div></summary><div class="docblock"><p>Wakes up one blocked thread on this condvar.</p>
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<p>Returns whether a thread was woken up.</p>
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<p>If there is a blocked thread on this condition variable, then it will
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be woken up from its call to <code>wait</code> or <code>wait_timeout</code>. Calls to
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<code>notify_one</code> are not buffered in any way.</p>
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<p>To wake up all threads, see <code>notify_all()</code>.</p>
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<h5 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use</span> <span class="ident">parking_lot::Condvar</span>;
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<span class="kw">let</span> <span class="ident">condvar</span> <span class="op">=</span> <span class="ident">Condvar::new</span>();
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<span class="comment">// do something with condvar, share it with other threads</span>
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<span class="kw">if</span> <span class="op">!</span><span class="ident">condvar</span>.<span class="ident">notify_one</span>() {
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<span class="macro">println!</span>(<span class="string">"Nobody was listening for this."</span>);
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}</code></pre></div>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.notify_all" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#188-196" title="goto source code">[src]</a></div><a href="#method.notify_all" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.notify_all" class="fnname">notify_all</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.usize.html">usize</a></h4></div></summary><div class="docblock"><p>Wakes up all blocked threads on this condvar.</p>
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<p>Returns the number of threads woken up.</p>
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<p>This method will ensure that any current waiters on the condition
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variable are awoken. Calls to <code>notify_all()</code> are not buffered in any
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way.</p>
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<p>To wake up only one thread, see <code>notify_one()</code>.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.wait" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#258-260" title="goto source code">[src]</a></div><a href="#method.wait" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.wait" class="fnname">wait</a><T: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(&self, mutex_guard: &mut <a class="type" href="type.MutexGuard.html" title="type parking_lot::MutexGuard">MutexGuard</a><'_, T>)</h4></div></summary><div class="docblock"><p>Blocks the current thread until this condition variable receives a
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notification.</p>
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<p>This function will atomically unlock the mutex specified (represented by
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<code>mutex_guard</code>) and block the current thread. This means that any calls
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to <code>notify_*()</code> which happen logically after the mutex is unlocked are
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candidates to wake this thread up. When this function call returns, the
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lock specified will have been re-acquired.</p>
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<h5 id="panics" class="section-header"><a href="#panics">Panics</a></h5>
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<p>This function will panic if another thread is waiting on the <code>Condvar</code>
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with a different <code>Mutex</code> object.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.wait_until" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#286-295" title="goto source code">[src]</a></div><a href="#method.wait_until" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.wait_until" class="fnname">wait_until</a><T: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(<br> &self, <br> mutex_guard: &mut <a class="type" href="type.MutexGuard.html" title="type parking_lot::MutexGuard">MutexGuard</a><'_, T>, <br> timeout: <a class="struct" href="https://doc.rust-lang.org/1.59.0/std/time/struct.Instant.html" title="struct std::time::Instant">Instant</a><br>) -> <a class="struct" href="struct.WaitTimeoutResult.html" title="struct parking_lot::WaitTimeoutResult">WaitTimeoutResult</a></h4></div></summary><div class="docblock"><p>Waits on this condition variable for a notification, timing out after
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the specified time instant.</p>
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<p>The semantics of this function are equivalent to <code>wait()</code> except that
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the thread will be blocked roughly until <code>timeout</code> is reached. This
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method should not be used for precise timing due to anomalies such as
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preemption or platform differences that may not cause the maximum
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amount of time waited to be precisely <code>timeout</code>.</p>
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<p>Note that the best effort is made to ensure that the time waited is
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measured with a monotonic clock, and not affected by the changes made to
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the system time.</p>
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<p>The returned <code>WaitTimeoutResult</code> value indicates if the timeout is
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known to have elapsed.</p>
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<p>Like <code>wait</code>, the lock specified will be re-acquired when this function
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returns, regardless of whether the timeout elapsed or not.</p>
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<h5 id="panics-1" class="section-header"><a href="#panics-1">Panics</a></h5>
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<p>This function will panic if another thread is waiting on the <code>Condvar</code>
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with a different <code>Mutex</code> object.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.wait_for" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#384-391" title="goto source code">[src]</a></div><a href="#method.wait_for" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.wait_for" class="fnname">wait_for</a><T: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(<br> &self, <br> mutex_guard: &mut <a class="type" href="type.MutexGuard.html" title="type parking_lot::MutexGuard">MutexGuard</a><'_, T>, <br> timeout: <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a><br>) -> <a class="struct" href="struct.WaitTimeoutResult.html" title="struct parking_lot::WaitTimeoutResult">WaitTimeoutResult</a></h4></div></summary><div class="docblock"><p>Waits on this condition variable for a notification, timing out after a
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specified duration.</p>
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<p>The semantics of this function are equivalent to <code>wait()</code> except that
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the thread will be blocked for roughly no longer than <code>timeout</code>. This
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method should not be used for precise timing due to anomalies such as
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preemption or platform differences that may not cause the maximum
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amount of time waited to be precisely <code>timeout</code>.</p>
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<p>Note that the best effort is made to ensure that the time waited is
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measured with a monotonic clock, and not affected by the changes made to
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the system time.</p>
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<p>The returned <code>WaitTimeoutResult</code> value indicates if the timeout is
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known to have elapsed.</p>
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<p>Like <code>wait</code>, the lock specified will be re-acquired when this function
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returns, regardless of whether the timeout elapsed or not.</p>
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</div></details></div></details><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Debug" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#401-405" title="goto source code">[src]</a></div><a href="#impl-Debug" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.fmt" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#402-404" title="goto source code">[src]</a></div><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.59.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.59.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></div></summary><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.59.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Default" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#394-399" title="goto source code">[src]</a></div><a href="#impl-Default" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.default" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../src/parking_lot/condvar.rs.html#396-398" title="goto source code">[src]</a></div><a href="#method.default" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.59.0/core/default/trait.Default.html#tymethod.default" class="fnname">default</a>() -> <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h4></div></summary><div class='docblock'><p>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/1.59.0/core/default/trait.Default.html#tymethod.default">Read more</a></p>
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</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Condvar.html" title="struct parking_lot::Condvar">Condvar</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/any.rs.html#132-136" title="goto source code">[src]</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/any.rs.html#133" title="goto source code">[src]</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/1.59.0/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.59.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.59.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Borrow%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/borrow.rs.html#209-214" title="goto source code">[src]</a></div><a href="#impl-Borrow%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/borrow.rs.html#211" title="goto source code">[src]</a></div><a href="#method.borrow" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/1.59.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&</a>T</h4></div></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.59.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/borrow.rs.html#218-222" title="goto source code">[src]</a></div><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/1.59.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow_mut" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/borrow.rs.html#219" title="goto source code">[src]</a></div><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/1.59.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.reference.html">&mut </a>T</h4></div></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.59.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-From%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/convert/mod.rs.html#550-554" title="goto source code">[src]</a></div><a href="#impl-From%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.from" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/convert/mod.rs.html#551" title="goto source code">[src]</a></div><a href="#method.from" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/1.59.0/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -> T</h4></div></summary><div class='docblock'><p>Performs the conversion.</p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Into%3CU%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/convert/mod.rs.html#538-545" title="goto source code">[src]</a></div><a href="#impl-Into%3CU%3E" class="anchor"></a><h3 class="code-header in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.into" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/convert/mod.rs.html#542" title="goto source code">[src]</a></div><a href="#method.into" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/1.59.0/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -> U</h4></div></summary><div class='docblock'><p>Performs the conversion.</p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-TryFrom%3CU%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/convert/mod.rs.html#588-597" title="goto source code">[src]</a></div><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><h3 class="code-header in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Error-1" class="type trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.59.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></div></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.try_from" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/convert/mod.rs.html#594" title="goto source code">[src]</a></div><a href="#method.try_from" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.59.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></div></summary><div class='docblock'><p>Performs the conversion.</p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-TryInto%3CU%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/convert/mod.rs.html#574-583" title="goto source code">[src]</a></div><a href="#impl-TryInto%3CU%3E" class="anchor"></a><h3 class="code-header in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Error" class="type trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></div></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.try_into" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.59.0/src/core/convert/mod.rs.html#580" title="goto source code">[src]</a></div><a href="#method.try_into" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.59.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.59.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></div></summary><div class='docblock'><p>Performs the conversion.</p>
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