<!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 `ProcessControlBlock` struct in crate `os`."><metaname="keywords"content="rust, rustlang, rust-lang, ProcessControlBlock"><title>ProcessControlBlock in os::task::process - 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><scriptdefersrc="sidebar-items.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 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">☰</button><aclass="sidebar-logo"href="../../../os/index.html"><divclass="logo-container"><imgclass="rust-logo"src="../../../rust-logo.svg"alt="logo"></div></a><h2class="location"></h2></nav><navclass="sidebar"><aclass="sidebar-logo"href="../../../os/index.html"><divclass="logo-container"><imgclass="rust-logo"src="../../../rust-logo.svg"alt="logo"></div></a><h2class="location"><ahref="#">ProcessControlBlock</a></h2><divclass="sidebar-elems"><section><divclass="block"><h3class="sidebar-title"><ahref="#fields">Fields</a></h3><ul><li><ahref="#structfield.inner">inner</a></li><li><ahref="#structfield.pid">pid</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#implementations">Methods</a></h3><ul><li><ahref="#method.exec">exec</a></li><li><ahref="#method.fork">fork</a></li><li><ahref="#method.getpid">getpid</a></li><li><ahref="#method.inner_exclusive_access">inner_exclusive_access</a></li><li><ahref="#method.new">new</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><ahref="#impl-RefUnwindSafe-for-ProcessControlBlock">!RefUnwindSafe</a></li><li><ahref="#impl-Send-for-ProcessControlBlock">Send</a></li><li><ahref="#impl-Sync-for-ProcessControlBlock">Sync</a></li><li><ahref="#impl-Unpin-for-ProcessControlBlock">Unpin</a></li><li><ahref="#impl-UnwindSafe-for-ProcessControlBlock">!UnwindSafe</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#blanket-implementations">Blanket Implementations</a></h3><ul><li><ahref="#impl-Any-for-ProcessControlBlock">Any</a></li><li><ahref="#impl-Az-for-ProcessControlBlock">Az</a></li><li><ahref="#impl-Borrow%3CT%3E-for-ProcessControlBlock">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT%3E-for-ProcessControlBlock">BorrowMut<T></a></li><li><ahref="#impl-CastFrom%3CSrc%3E-for-ProcessControlBlock">CastFrom<Src></a><
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fork"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../../src/os/task/process.rs.html#188-253">source</a></span><h4class="code-header">pub fn <ahref="#method.fork"class="fnname">fork</a>(self: &<aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html"title="struct alloc::sync::Arc">Arc</a><Self>) -><aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html"title="struct alloc::sync::Arc">Arc</a><Self></h4></section></summary><divclass="docblock"><p>Only support processes with a single thread.</p>
</div></details><sectionid="method.getpid"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../../src/os/task/process.rs.html#255-257">source</a></span><h4class="code-header">pub fn <ahref="#method.getpid"class="fnname">getpid</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></section></div></details></div><h2id="synthetic-implementations"class="small-section-header">Auto Trait Implementations<ahref="#synthetic-implementations"class="anchor"></a></h2><divid="synthetic-implementations-list"><sectionid="impl-RefUnwindSafe-for-ProcessControlBlock"class="impl has-srclink"><ahref="#impl-RefUnwindSafe-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">impl !<aclass="trait"href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html"title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <aclass="struct"href="struct.ProcessControlBlock.html"title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></section><sectionid="impl-Send-for-ProcessControlBlock"class="impl has-srclink"><ahref="#impl-Send-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html"title="trait core::marker::Send">Send</a> for <aclass="struct"href="struct.ProcessControlBlock.html"title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></section><sectionid="impl-Sync-for-ProcessControlBlock"class="impl has-srclink"><ahref="#impl-Sync-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html"title="trait core::marker::Sync">Sync</a> for <aclass="struct"href="struct.ProcessControlBlock.html"title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></section><sectionid="impl-Unpin-for-ProcessControlBlock"class="impl has-srclink"><ahref="#impl-Unpin-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html"title="trait core::marker::Unpin">Unpin</a> for <aclass="struct"href="struct.ProcessControlBlock.html"title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></section><sectionid="impl-UnwindSafe-for-ProcessControlBlock"class="impl has-srclink"><ahref="#impl-UnwindSafe-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">impl !<aclass="trait"href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html"title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <aclass="struct"href="struct.ProcessControlBlock.html"title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></section></div><h2id="blanket-implementations"class="small-section-header">Blanket Implementations<ahref="#blanket-implementations"class="anchor"></a></h2><divid="blanket-implementations-list"><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Any-for-ProcessControlBlock"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#203">source</a></span><ahref="#impl-Any-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html"title="trait core::any::Any">Any</a> for T <spanclass="where fmt-newline">where<br> T: 'static + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.type_id"class="method trait-impl has-srclink"><sp
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Az-for-ProcessControlBlock"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/az/~1.2/src/az/lib.rs.html#599">source</a></span><ahref="#impl-Az-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://docs.rs/az/~1.2/az/trait.Az.html"title="trait az::Az">Az</a> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.az"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/az/~1.2/src/az/lib.rs.html#602-604">source</a></span><ahref="#method.az"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/az/~1.2/az/trait.Az.html#tymethod.az"class="fnname">az</a><Dst>(self) -> Dst <spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://docs.rs/az/~1.2/az/trait.Cast.html"title="trait az::Cast">Cast</a><Dst>, </span></h4></section></summary><divclass='docblock'><p>Casts the value.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Borrow%3CT%3E-for-ProcessControlBlock"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209">source</a></span><ahref="#impl-Borrow%3CT%3E-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html"title="trait core::borrow::Borrow">Borrow</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.borrow"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/91522"title="Tracking issue for const_borrow">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211">source</a></span><ahref="#method.borrow"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow"class="fnname">borrow</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&</a>T</h4></section></summary><divclass='docblock'><p>Immutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-BorrowMut%3CT%3E-for-ProcessControlBlock"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218">source</a></span><ahref="#impl-BorrowMut%3CT%3E-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html"title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.borrow_mut"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/91522"title="Tracking issue for const_borrow">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219">source</a></span><ahref="#method.borrow_mut"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut"class="fnname">borrow_mut</a>(&mut self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&mut </a>T</h4></section></summary><divclass='docblock'><p>Mutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-TryFrom%3CU%3E-for-ProcessControlBlock"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#598">source</a></span><ahref="#impl-TryFrom%3CU%3E-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">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 <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error"class="associatedtype trait-impl has-srclink"><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'><p>The type returned in the event of a conversion error.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-TryInto%3CU%3E-for-ProcessControlBlock"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#583">source</a></span><ahref="#impl-TryInto%3CU%3E-for-ProcessControlBlock"class="anchor"></a><h3class="code-header in-band">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 <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error-1"class="associatedtype trait-impl has-srclink"><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'><p>The type returned in the event of a conversion error.</p>
