<!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="The task manager, where all the tasks are managed."><title>TaskManager in os::task - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><linkrel="stylesheet"href="../../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../../static.files/rustdoc-b21aa549bf6d91ff.css"><metaname="rustdoc-vars"data-root-path="../../"data-static-root-path="../../static.files/"data-current-crate="os"data-themes=""data-resource-suffix=""data-rustdoc-version="1.80.0-nightly (f705de596 2024-04-30)"data-channel="nightly"data-search-js="search-bf21c90c8c1d92b1.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="../../static.files/storage-e32f0c247825364d.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../static.files/main-20a3ad099b048cf2.js"></script><noscript><linkrel="stylesheet"href="../../static.files/noscript-09095024cf37855e.css"></noscript><linkrel="alternate icon"type="image/png"href="../../static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="../../static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc struct"><!--[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"title="show sidebar"></button></nav><navclass="sidebar"><divclass="sidebar-crate"><h2><ahref="../../os/index.html">os</a><spanclass="version">0.1.0</span></h2></div><h2class="location"><ahref="#">TaskManager</a></h2><divclass="sidebar-elems"><section><h3><ahref="#fields">Fields</a></h3><ulclass="block structfield"><li><ahref="#structfield.inner">inner</a></li><li><ahref="#structfield.num_app">num_app</a></li></ul><h3><ahref="#implementations">Methods</a></h3><ulclass="block method"><li><ahref="#method.find_next_task">find_next_task</a></li><li><ahref="#method.mark_current_exited">mark_current_exited</a></li><li><ahref="#method.mark_current_suspended">mark_current_suspended</a></li><li><ahref="#method.run_first_task">run_first_task</a></li><li><ahref="#method.run_next_task">run_next_task</a></li></ul><h3><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ulclass="block synthetic-implementation"><li><ahref="#impl-Freeze-for-TaskManager">!Freeze</a></li><li><ahref="#impl-RefUnwindSafe-for-TaskManager">!RefUnwindSafe</a></li><li><ahref="#impl-Send-for-TaskManager">Send</a></li><li><ahref="#impl-Sync-for-TaskManager">Sync</a></li><li><ahref="#impl-Unpin-for-TaskManager">Unpin</a></li><li><ahref="#impl-UnwindSafe-for-TaskManager">UnwindSafe</a></li></ul><h3><ahref="#blanket-implementations">Blanket Implementations</a></h3><ulclass="block blanket-implementation"><li><ahref="#impl-Any-for-T">Any</a></li><li><ahref="#impl-Borrow%3CT%3E-for-T">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT%3E-for-T">BorrowMut<T></a></li><li><ahref="#impl-From%3CT%3E-for-T">From<T></a></li><li><ahref="#impl-Into%3CU%3E-for-T">Into<U></a></li><li><ahref="#impl-TryFrom%3CU%3E-for-T">TryFrom<U></a></li><li><ahref="#impl-TryInto%3CU%3E-for-T">TryInto<U></a></li></ul></section><h2><ahref="index.html">In os::task</a></h2></div></nav><divclass="sidebar-resizer"></div><main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../../os/all.html"title="showside
}</code></pre><detailsclass="toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>The task manager, where all the tasks are managed.</p>
</div></details><h2id="fields"class="fields section-header">Fields<ahref="#fields"class="anchor">§</a></h2><spanid="structfield.num_app"class="structfield section-header"><ahref="#structfield.num_app"class="anchor field">§</a><code>num_app: <aclass="primitive"href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></code></span><divclass="docblock"><p>total number of tasks</p>
</div><spanid="structfield.inner"class="structfield section-header"><ahref="#structfield.inner"class="anchor field">§</a><code>inner: <aclass="struct"href="../sync/up/struct.UPSafeCell.html"title="struct os::sync::up::UPSafeCell">UPSafeCell</a><<aclass="struct"href="struct.TaskManagerInner.html"title="struct os::task::TaskManagerInner">TaskManagerInner</a>></code></span><divclass="docblock"><p>use inner value to get mutable access</p>
</div><h2id="implementations"class="section-header">Implementations<ahref="#implementations"class="anchor">§</a></h2><divid="implementations-list"><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-TaskManager"class="impl"><aclass="src rightside"href="../../src/os/task/mod.rs.html#76-141">source</a><ahref="#impl-TaskManager"class="anchor">§</a><h3class="code-header">impl <aclass="struct"href="struct.TaskManager.html"title="struct os::task::TaskManager">TaskManager</a></h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.run_first_task"class="method"><aclass="src rightside"href="../../src/os/task/mod.rs.html#81-93">source</a><h4class="code-header">fn <ahref="#method.run_first_task"class="fn">run_first_task</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/core/primitive.never.html">!</a></h4></section></summary><divclass="docblock"><p>Run the first task in task list.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.mark_current_suspended"class="method"><aclass="src rightside"href="../../src/os/task/mod.rs.html#96-100">source</a><h4class="code-header">fn <ahref="#method.mark_current_suspended"class="fn">mark_current_suspended</a>(&self)</h4></section></summary><divclass="docblock"><p>Change the status of current <code>Running</code> task into <code>Ready</code>.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.mark_current_exited"class="method"><aclass="src rightside"href="../../src/os/task/mod.rs.html#103-107">source</a><h4class="code-header">fn <ahref="#method.mark_current_exited"class="fn">mark_current_exited</a>(&self)</h4></section></summary><divclass="docblock"><p>Change the status of current <code>Running</code> task into <code>Exited</code>.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.find_next_task"class="method"><aclass="src rightside"href="../../src/os/task/mod.rs.html#112-118">source</a><h4class="code-header">fn <ahref="#method.find_next_task"class="fn">find_next_task</a>(&self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="primitive"href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>></h4></section></summary><divclass="docblock"><p>Find next task to run and return task id.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.run_next_task"class="method"><aclass="src rightside"href="../../src/os/task/mod.rs.html#122-140">source</a><h4class="code-header">fn <ahref="#method.run_next_task"class="fn">run_next_task</a>(&self)</h4></section></summary><divclass="docblock"><p>Switch current <code>Running</code> task to the task we have found,
<code><ahref="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryFrom%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#805-807">source</a><ahref="#impl-TryFrom%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error"class="associatedtype trait-impl"><ahref="#associatedtype.Error"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"class="associatedtype">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_from"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#812">source</a><ahref="#method.try_from"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from"class="fn">try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="associatedtype"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryInto%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#790-792">source</a><ahref="#impl-TryInto%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-1"class="associatedtype trait-impl"><ahref="#associatedtype.Error-1"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error"class="associatedtype">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_into"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#797">source</a><ahref="#method.try_into"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into"class="fn">try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>