<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `task` mod in crate `os`."><metaname="keywords"content="rust, rustlang, rust-lang, task"><title>os::task - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceSerif4-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../FiraSans-Regular.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../FiraSans-Medium.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceCodePro-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceSerif4-Bold.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceCodePro-Semibold.ttf.woff2"><linkrel="stylesheet"type="text/css"href="../../normalize.css"><linkrel="stylesheet"type="text/css"href="../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../../ayu.css"disabled><linkrel="stylesheet"type="text/css"href="../../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../../light.css"id="themeStyle"><scriptid="default-settings"></script><scriptsrc="../../storage.js"></script><scriptsrc="../../crates.js"></script><scriptdefersrc="../../main.js"></script>
<noscript><linkrel="stylesheet"href="../../noscript.css"></noscript><linkrel="alternate icon"type="image/png"href="../../favicon-16x16.png"><linkrel="alternate icon"type="image/png"href="../../favicon-32x32.png"><linkrel="icon"type="image/svg+xml"href="../../favicon.svg"></head><bodyclass="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle">☰</button><aclass="sidebar-logo"href="../../os/index.html"><divclass="logo-container"><imgclass="rust-logo"src="../../rust-logo.svg"alt="logo"></div>
</a><h2class="location"><ahref="#">Module task</a></h2><divclass="sidebar-elems"><section><divclass="block"><ul><li><ahref="#modules">Modules</a></li><li><ahref="#structs">Structs</a></li><li><ahref="#functions">Functions</a></li></ul></div></section><divid="sidebar-vars"data-name="task"data-ty="mod"data-relpath="./"></div><scriptdefersrc="./sidebar-items.js"></script></div></nav><main><divclass="width-limiter"><divclass="sub-container"><aclass="sub-logo-container"href="../../os/index.html"><imgclass="rust-logo"src="../../rust-logo.svg"alt="logo"></a><navclass="sub"><divclass="theme-picker hidden"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"title="themes"><imgwidth="22"height="22"alt="Pick another theme!"src="../../brush.svg"></button><divid="theme-choices"role="menu"></div></div><formclass="search-form"><divclass="search-container"><span></span><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><buttontype="button"id="help-button"title="help">?</button><aid="settings-menu"href="../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../wheel.svg"></a></div></form></nav></div><sectionid="main-content"class="content"><divclass="main-heading">
<h1class="fqn"><spanclass="in-band">Module <ahref="../index.html">os</a>::<wbr><aclass="mod"href="#">task</a><buttonid="copy-path"onclick="copy_path(this)"title="Copy item path to clipboard"><imgsrc="../../clipboard.svg"width="19"height="18"alt="Copy item path"></button></span></h1><spanclass="out-of-band"><aclass="srclink"href="../../src/os/task/mod.rs.html#1-148">source</a> · <aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass="inner">−</span>]</a></span></div><h2id="reexports"class="small-section-header"><ahref="#reexports">Re-exports</a></h2>
<divclass="item-table"><divclass="item-row"><divclass="item-left import-item"><code>pub use context::<aclass="struct"href="context/struct.TaskContext.html"title="struct os::task::context::TaskContext">TaskContext</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use id::<aclass="fn"href="id/fn.kstack_alloc.html"title="fn os::task::id::kstack_alloc">kstack_alloc</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use id::<aclass="fn"href="id/fn.pid_alloc.html"title="fn os::task::id::pid_alloc">pid_alloc</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use id::<aclass="struct"href="id/struct.KernelStack.html"title="struct os::task::id::KernelStack">KernelStack</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use id::<aclass="struct"href="id/struct.PidHandle.html"title="struct os::task::id::PidHandle">PidHandle</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use id::<aclass="constant"href="id/constant.IDLE_PID.html"title="constant os::task::id::IDLE_PID">IDLE_PID</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use manager::<aclass="fn"href="manager/fn.add_task.html"title="fn os::task::manager::add_task">add_task</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use manager::<aclass="fn"href="manager/fn.pid2process.html"title="fn os::task::manager::pid2process">pid2process</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use manager::<aclass="fn"href="manager/fn.remove_from_pid2process.html"title="fn os::task::manager::remove_from_pid2process">remove_from_pid2process</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use processor::<aclass="fn"href="processor/fn.current_kstack_top.html"title="fn os::task::processor::current_kstack_top">current_kstack_top</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use processor::<aclass="fn"href="processor/fn.current_process.html"title="fn os::task::processor::current_process">current_process</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use processor::<aclass="fn"href="processor/fn.current_task.html"title="fn os::task::processor::current_task">current_task</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use processor::<aclass="fn"href="processor/fn.current_trap_cx.html"title="fn os::task::processor::current_trap_cx">current_trap_cx</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use processor::<aclass="fn"href="processor/fn.current_trap_cx_user_va.html"title="fn os::task::processor::current_trap_cx_user_va">current_trap_cx_user_va</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use processor::<aclass="fn"href="processor/fn.current_user_token.html"title="fn os::task::processor::current_user_token">current_user_token</a>;</code></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left import-item"><code>pub use processor::<aclass="fn"href="processor/fn.run_tasks.html"title="fn os::task::processor::run_tasks">run_
<divclass="item-table"><divclass="item-row"><divclass="item-left module-item"><aclass="fn"href="fn.add_initproc.html"title="os::task::add_initproc fn">add_initproc</a></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left module-item"><aclass="fn"href="fn.block_current_and_run_next.html"title="os::task::block_current_and_run_next fn">block_current_and_run_next</a></div><divclass="item-right docblock-short"></div></div><divclass="item-row"><divclass="item-left module-item"><aclass="fn"href="fn.block_current_task.html"title="os::task::block_current_task fn">block_current_task</a></div><divclass="item-right docblock-short"><p>This function must be followed by a schedule</p>