| <!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="Source of the Rust file `/root/.cargo/git/checkouts/tokio-377c595163f99a10/dfe252d/tokio/src/runtime/scheduler/multi_thread/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</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" href="../../../../../normalize.css"><link rel="stylesheet" href="../../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../../dark.css" disabled><link rel="stylesheet" href="../../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../../storage.js"></script><script defer src="../../../../../source-script.js"></script><script defer src="../../../../../source-files.js"></script><script defer src="../../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../../../tokio/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../../tokio/index.html"><img class="rust-logo" src="../../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="doccomment">//! Multi-threaded runtime |
| |
| </span><span class="kw">mod </span>handle; |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span>handle::Handle; |
| |
| <span class="kw">mod </span>idle; |
| <span class="kw">use </span><span class="self">self</span>::idle::Idle; |
| |
| <span class="kw">mod </span>park; |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span>park::{Parker, Unparker}; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>queue; |
| |
| <span class="kw">mod </span>worker; |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span>worker::Launch; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span>worker::block_in_place; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::loom::sync::Arc; |
| <span class="kw">use </span><span class="kw">crate</span>::runtime::{ |
| blocking, |
| driver::{<span class="self">self</span>, Driver}, |
| scheduler, Config, |
| }; |
| <span class="kw">use </span><span class="kw">crate</span>::util::RngSeedGenerator; |
| |
| <span class="kw">use </span>std::fmt; |
| <span class="kw">use </span>std::future::Future; |
| |
| <span class="doccomment">/// Work-stealing based thread pool for executing futures. |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>MultiThread; |
| |
| <span class="comment">// ===== impl MultiThread ===== |
| |
| </span><span class="kw">impl </span>MultiThread { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new( |
| size: usize, |
| driver: Driver, |
| driver_handle: driver::Handle, |
| blocking_spawner: blocking::Spawner, |
| seed_generator: RngSeedGenerator, |
| config: Config, |
| ) -> (MultiThread, Arc<Handle>, Launch) { |
| <span class="kw">let </span>parker = Parker::new(driver); |
| <span class="kw">let </span>(handle, launch) = worker::create( |
| size, |
| parker, |
| driver_handle, |
| blocking_spawner, |
| seed_generator, |
| config, |
| ); |
| |
| (MultiThread, handle, launch) |
| } |
| |
| <span class="doccomment">/// Blocks the current thread waiting for the future to complete. |
| /// |
| /// The future will execute on the current thread, but all spawned tasks |
| /// will be executed on the thread pool. |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>block_on<F>(<span class="kw-2">&</span><span class="self">self</span>, handle: <span class="kw-2">&</span>scheduler::Handle, future: F) -> F::Output |
| <span class="kw">where |
| </span>F: Future, |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>enter = <span class="kw">crate</span>::runtime::context::enter_runtime(handle, <span class="bool-val">true</span>); |
| enter |
| .blocking |
| .block_on(future) |
| .expect(<span class="string">"failed to park thread"</span>) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>shutdown(<span class="kw-2">&mut </span><span class="self">self</span>, handle: <span class="kw-2">&</span>scheduler::Handle) { |
| <span class="kw">match </span>handle { |
| scheduler::Handle::MultiThread(handle) => handle.shutdown(), |
| <span class="kw">_ </span>=> <span class="macro">panic!</span>(<span class="string">"expected MultiThread scheduler"</span>), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Debug <span class="kw">for </span>MultiThread { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| fmt.debug_struct(<span class="string">"MultiThread"</span>).finish() |
| } |
| } |
| </code></pre></div> |
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