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(function() {var implementors = {};
implementors["os"] = [{"text":"impl&lt;'a, T&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/deref/trait.DerefMut.html\" title=\"trait core::ops::deref::DerefMut\">DerefMut</a> for <a class=\"struct\" href=\"os/sync/up/struct.UPIntrRefMut.html\" title=\"struct os::sync::up::UPIntrRefMut\">UPIntrRefMut</a>&lt;'a, T&gt;","synthetic":false,"types":["os::sync::up::UPIntrRefMut"]}];
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(function() {var implementors = {}; (function() {var implementors = {};
implementors["os"] = [{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/mm/frame_allocator/struct.FrameTracker.html\" title=\"struct os::mm::frame_allocator::FrameTracker\">FrameTracker</a>","synthetic":false,"types":["os::mm::frame_allocator::FrameTracker"]},{"text":"impl&lt;'a, T&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/sync/up/struct.UPIntrRefMut.html\" title=\"struct os::sync::up::UPIntrRefMut\">UPIntrRefMut</a>&lt;'a, T&gt;","synthetic":false,"types":["os::sync::up::UPIntrRefMut"]},{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/task/id/struct.PidHandle.html\" title=\"struct os::task::id::PidHandle\">PidHandle</a>","synthetic":false,"types":["os::task::id::PidHandle"]},{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/task/id/struct.KernelStack.html\" title=\"struct os::task::id::KernelStack\">KernelStack</a>","synthetic":false,"types":["os::task::id::KernelStack"]},{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/task/id/struct.TaskUserRes.html\" title=\"struct os::task::id::TaskUserRes\">TaskUserRes</a>","synthetic":false,"types":["os::task::id::TaskUserRes"]},{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/net/udp/struct.UDP.html\" title=\"struct os::net::udp::UDP\">UDP</a>","synthetic":false,"types":["os::net::udp::UDP"]}]; implementors["os"] = [{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/mm/frame_allocator/struct.FrameTracker.html\" title=\"struct os::mm::frame_allocator::FrameTracker\">FrameTracker</a>","synthetic":false,"types":["os::mm::frame_allocator::FrameTracker"]},{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/task/id/struct.PidHandle.html\" title=\"struct os::task::id::PidHandle\">PidHandle</a>","synthetic":false,"types":["os::task::id::PidHandle"]},{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/task/id/struct.KernelStack.html\" title=\"struct os::task::id::KernelStack\">KernelStack</a>","synthetic":false,"types":["os::task::id::KernelStack"]},{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/task/id/struct.TaskUserRes.html\" title=\"struct os::task::id::TaskUserRes\">TaskUserRes</a>","synthetic":false,"types":["os::task::id::TaskUserRes"]},{"text":"impl <a class=\"trait\" href=\"https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html\" title=\"trait core::ops::drop::Drop\">Drop</a> for <a class=\"struct\" href=\"os/net/udp/struct.UDP.html\" title=\"struct os::net::udp::UDP\">UDP</a>","synthetic":false,"types":["os::net::udp::UDP"]}];
if (window.register_implementors) {window.register_implementors(implementors);} else {window.pending_implementors = implementors;}})() if (window.register_implementors) {window.register_implementors(implementors);} else {window.pending_implementors = implementors;}})()

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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="API documentation for the Rust `open_file` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, open_file"><title>open_file in os::fs::inode - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::fs::inode</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">fs</a>::<wbr><a href="index.html">inode</a>::<wbr><a class="fn" href="#">open_file</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/fs/inode.rs.html#85-106">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn open_file(name: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.str.html">str</a>, flags: <a class="struct" href="struct.OpenFlags.html" title="struct os::fs::inode::OpenFlags">OpenFlags</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="struct.OSInode.html" title="struct os::fs::inode::OSInode">OSInode</a>&gt;&gt;</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html> <!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="API documentation for the Rust `open_file` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, open_file"><title>open_file in os::fs::inode - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::fs::inode</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">fs</a>::<wbr><a href="index.html">inode</a>::<wbr><a class="fn" href="#">open_file</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/fs/inode.rs.html#85-108">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn open_file(name: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.str.html">str</a>, flags: <a class="struct" href="struct.OpenFlags.html" title="struct os::fs::inode::OpenFlags">OpenFlags</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="struct.OSInode.html" title="struct os::fs::inode::OSInode">OSInode</a>&gt;&gt;</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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<span class="item-spacer"></span> fn <a href="#tymethod.writable" class="fnname">writable</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.bool.html">bool</a>; <span class="item-spacer"></span> fn <a href="#tymethod.writable" class="fnname">writable</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.bool.html">bool</a>;
<span class="item-spacer"></span> fn <a href="#tymethod.read" class="fnname">read</a>(&amp;self, buf: <a class="struct" href="../mm/page_table/struct.UserBuffer.html" title="struct os::mm::page_table::UserBuffer">UserBuffer</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>; <span class="item-spacer"></span> fn <a href="#tymethod.read" class="fnname">read</a>(&amp;self, buf: <a class="struct" href="../mm/page_table/struct.UserBuffer.html" title="struct os::mm::page_table::UserBuffer">UserBuffer</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>;
<span class="item-spacer"></span> fn <a href="#tymethod.write" class="fnname">write</a>(&amp;self, buf: <a class="struct" href="../mm/page_table/struct.UserBuffer.html" title="struct os::mm::page_table::UserBuffer">UserBuffer</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>; <span class="item-spacer"></span> fn <a href="#tymethod.write" class="fnname">write</a>(&amp;self, buf: <a class="struct" href="../mm/page_table/struct.UserBuffer.html" title="struct os::mm::page_table::UserBuffer">UserBuffer</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>;
}</code></pre></div><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><div id="tymethod.readable" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/fs/mod.rs.html#8">source</a></div><h4 class="code-header">fn <a href="#tymethod.readable" class="fnname">readable</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.bool.html">bool</a></h4></div><div id="tymethod.writable" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/fs/mod.rs.html#9">source</a></div><h4 class="code-header">fn <a href="#tymethod.writable" class="fnname">writable</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.bool.html">bool</a></h4></div><div id="tymethod.read" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/fs/mod.rs.html#10">source</a></div><h4 class="code-header">fn <a href="#tymethod.read" class="fnname">read</a>(&amp;self, buf: <a class="struct" href="../mm/page_table/struct.UserBuffer.html" title="struct os::mm::page_table::UserBuffer">UserBuffer</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></div><div id="tymethod.write" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/fs/mod.rs.html#11">source</a></div><h4 class="code-header">fn <a href="#tymethod.write" class="fnname">write</a>(&amp;self, buf: <a class="struct" href="../mm/page_table/struct.UserBuffer.html" title="struct os::mm::page_table::UserBuffer">UserBuffer</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></div></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><section id="impl-File-for-UDP" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/net/udp.rs.html#31-88">source</a></span><a href="#impl-File-for-UDP" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="../net/udp/struct.UDP.html" title="struct os::net::udp::UDP">UDP</a></h3></section><section id="impl-File-for-OSInode" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/fs/inode.rs.html#108-139">source</a></span><a href="#impl-File-for-OSInode" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="inode/struct.OSInode.html" title="struct os::fs::inode::OSInode">OSInode</a></h3></section><section id="impl-File-for-Pipe" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/fs/pipe.rs.html#108-173">source</a></span><a href="#impl-File-for-Pipe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="pipe/struct.Pipe.html" title="struct os::fs::pipe::Pipe">Pipe</a></h3></section><section id="impl-File-for-Stdin" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/fs/stdio.rs.html#9-28">source</a></span><a href="#impl-File-for-Stdin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="stdio/struct.Stdin.html" title="struct os::fs::stdio::Stdin">Stdin</a></h3></section><section id="impl-File-for-Stdout" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/fs/stdio.rs.html#30-46">source</a></span><a href="#impl-File-for-Stdout" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="stdio/struct.Stdout.html" title="struct os::fs::stdio::Stdout">Stdout</a></h3></section></div><script type="text/javascript" src="../../implementors/os/fs/trait.File.js" data-ignore-extern-crates="" async></script></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html> }</code></pre></div><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><div id="tymethod.readable" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/fs/mod.rs.html#8">source</a></div><h4 class="code-header">fn <a href="#tymethod.readable" class="fnname">readable</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.bool.html">bool</a></h4></div><div id="tymethod.writable" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/fs/mod.rs.html#9">source</a></div><h4 class="code-header">fn <a href="#tymethod.writable" class="fnname">writable</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.bool.html">bool</a></h4></div><div id="tymethod.read" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/fs/mod.rs.html#10">source</a></div><h4 class="code-header">fn <a href="#tymethod.read" class="fnname">read</a>(&amp;self, buf: <a class="struct" href="../mm/page_table/struct.UserBuffer.html" title="struct os::mm::page_table::UserBuffer">UserBuffer</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></div><div id="tymethod.write" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/fs/mod.rs.html#11">source</a></div><h4 class="code-header">fn <a href="#tymethod.write" class="fnname">write</a>(&amp;self, buf: <a class="struct" href="../mm/page_table/struct.UserBuffer.html" title="struct os::mm::page_table::UserBuffer">UserBuffer</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></div></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><section id="impl-File-for-UDP" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/net/udp.rs.html#31-88">source</a></span><a href="#impl-File-for-UDP" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="../net/udp/struct.UDP.html" title="struct os::net::udp::UDP">UDP</a></h3></section><section id="impl-File-for-OSInode" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/fs/inode.rs.html#110-141">source</a></span><a href="#impl-File-for-OSInode" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="inode/struct.OSInode.html" title="struct os::fs::inode::OSInode">OSInode</a></h3></section><section id="impl-File-for-Pipe" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/fs/pipe.rs.html#108-173">source</a></span><a href="#impl-File-for-Pipe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="pipe/struct.Pipe.html" title="struct os::fs::pipe::Pipe">Pipe</a></h3></section><section id="impl-File-for-Stdin" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/fs/stdio.rs.html#9-28">source</a></span><a href="#impl-File-for-Stdin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="stdio/struct.Stdin.html" title="struct os::fs::stdio::Stdin">Stdin</a></h3></section><section id="impl-File-for-Stdout" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/os/fs/stdio.rs.html#30-46">source</a></span><a href="#impl-File-for-Stdout" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.File.html" title="trait os::fs::File">File</a> for <a class="struct" href="stdio/struct.Stdout.html" title="struct os::fs::stdio::Stdout">Stdout</a></h3></section></div><script type="text/javascript" src="../../implementors/os/fs/trait.File.js" data-ignore-extern-crates="" async></script></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `enable_intr` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, enable_intr"><title>enable_intr in os::sync::up - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::sync::up</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">sync</a>::<wbr><a href="index.html">up</a>::<wbr><a class="fn" href="#">enable_intr</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/sync/up.rs.html#19-23">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>#[no_mangle]
extern &quot;C&quot; fn enable_intr()</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `swap_and_disable_intr` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, swap_and_disable_intr"><title>swap_and_disable_intr in os::sync::up - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::sync::up</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">sync</a>::<wbr><a href="index.html">up</a>::<wbr><a class="fn" href="#">swap_and_disable_intr</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/sync/up.rs.html#10-16">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>#[no_mangle]
extern &quot;C&quot; fn swap_and_disable_intr() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.bool.html">bool</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `sys_exec` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_exec"><title>sys_exec in os::syscall::process - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::process</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_exec</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#44-68">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_exec(path: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*const </a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>, args: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*const </a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html> <!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="API documentation for the Rust `sys_exec` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_exec"><title>sys_exec in os::syscall::process - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::process</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_exec</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#44-71">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_exec(path: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*const </a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>, args: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*const </a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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issue-104/os/syscall/process/fn.sys_kill.html
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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="API documentation for the Rust `sys_kill` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_kill"><title>sys_kill in os::syscall::process - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::process</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_kill</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#106-117">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_kill(pid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>, signal: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u32.html">u32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html> <!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="API documentation for the Rust `sys_kill` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_kill"><title>sys_kill in os::syscall::process - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::process</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_kill</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#109-120">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_kill(pid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>, signal: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u32.html">u32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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issue-104/os/syscall/process/fn.sys_waitpid.html
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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="If there is not a child process whose pid is same as given, return -1. Else if there is a child process but it is still running, return -2."><meta name="keywords" content="rust, rustlang, rust-lang, sys_waitpid"><title>sys_waitpid in os::syscall::process - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::process</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_waitpid</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#72-104">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_waitpid(pid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a>, exit_code_ptr: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.i32.html">i32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>If there is not a child process whose pid is same as given, return -1. <!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="If there is not a child process whose pid is same as given, return -1. Else if there is a child process but it is still running, return -2."><meta name="keywords" content="rust, rustlang, rust-lang, sys_waitpid"><title>sys_waitpid in os::syscall::process - 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 defer src="sidebar-items.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 fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::process</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_waitpid</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></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#75-107">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_waitpid(pid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a>, exit_code_ptr: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.i32.html">i32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>If there is not a child process whose pid is same as given, return -1.
Else if there is a child process but it is still running, return -2.</p> Else if there is a child process but it is still running, return -2.</p>
</div></details></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html> </div></details></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">super</span>::File</span>; </pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">super</span>::File</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::drivers::BLOCK_DEVICE</span>; <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::drivers::BLOCK_DEVICE</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::mm::UserBuffer</span>; <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::mm::UserBuffer</span>;
@ -222,9 +224,11 @@
} }
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">open_file</span>(<span class="ident">name</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>, <span class="ident">flags</span>: <span class="ident">OpenFlags</span>) -&gt; <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Arc</span><span class="op">&lt;</span><span class="ident">OSInode</span><span class="op">&gt;</span><span class="op">&gt;</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">open_file</span>(<span class="ident">name</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>, <span class="ident">flags</span>: <span class="ident">OpenFlags</span>) -&gt; <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Arc</span><span class="op">&lt;</span><span class="ident">OSInode</span><span class="op">&gt;</span><span class="op">&gt;</span> {
<span class="macro">println!</span>(<span class="string">&quot;open_file :1&quot;</span>);
<span class="kw">let</span> (<span class="ident">readable</span>, <span class="ident">writable</span>) <span class="op">=</span> <span class="ident">flags</span>.<span class="ident">read_write</span>(); <span class="kw">let</span> (<span class="ident">readable</span>, <span class="ident">writable</span>) <span class="op">=</span> <span class="ident">flags</span>.<span class="ident">read_write</span>();
<span class="kw">if</span> <span class="ident">flags</span>.<span class="ident">contains</span>(<span class="ident">OpenFlags::CREATE</span>) { <span class="kw">if</span> <span class="ident">flags</span>.<span class="ident">contains</span>(<span class="ident">OpenFlags::CREATE</span>) {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">inode</span>) <span class="op">=</span> <span class="ident">ROOT_INODE</span>.<span class="ident">find</span>(<span class="ident">name</span>) { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">inode</span>) <span class="op">=</span> <span class="ident">ROOT_INODE</span>.<span class="ident">find</span>(<span class="ident">name</span>) {
<span class="macro">println!</span>(<span class="string">&quot;open_file :2&quot;</span>);
<span class="comment">// clear size</span> <span class="comment">// clear size</span>
<span class="ident">inode</span>.<span class="ident">clear</span>(); <span class="ident">inode</span>.<span class="ident">clear</span>();
<span class="prelude-val">Some</span>(<span class="ident">Arc::new</span>(<span class="ident">OSInode::new</span>(<span class="ident">readable</span>, <span class="ident">writable</span>, <span class="ident">inode</span>))) <span class="prelude-val">Some</span>(<span class="ident">Arc::new</span>(<span class="ident">OSInode::new</span>(<span class="ident">readable</span>, <span class="ident">writable</span>, <span class="ident">inode</span>)))

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<span id="24">24</span> </pre><pre class="rust"><code><span class="kw">pub</span> <span class="kw">use</span> <span class="ident">ksync</span>::{<span class="ident">UPIntrFreeCell</span>, <span class="ident">UPIntrRefMut</span>};
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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">core::cell</span>::{<span class="ident">RefCell</span>, <span class="ident">RefMut</span>, <span class="ident">UnsafeCell</span>};
<span class="kw">use</span> <span class="ident">core::ops</span>::{<span class="ident">Deref</span>, <span class="ident">DerefMut</span>};
<span class="kw">use</span> <span class="ident">lazy_static</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">riscv::register::sstatus</span>; <span class="kw">use</span> <span class="ident">riscv::register::sstatus</span>;
<span class="comment">/* <span class="comment">// extern &quot;C&quot; {</span>
/// Wrap a static data structure inside it so that we are <span class="comment">// fn swap_and_disable_intr() -&gt; bool;</span>
/// able to access it without any `unsafe`. <span class="comment">// fn enable_intr();</span>
/// <span class="comment">// }</span>
/// We should only use it in uniprocessor.
/// <span class="attribute">#[<span class="ident">no_mangle</span>]</span>
/// In order to get mutable reference of inner data, call <span class="kw">extern</span> <span class="string">&quot;C&quot;</span> <span class="kw">fn</span> <span class="ident">swap_and_disable_intr</span>() -&gt; <span class="ident">bool</span> {
/// `exclusive_access`. <span class="kw">let</span> <span class="ident">sie</span> <span class="op">=</span> <span class="ident">sstatus::read</span>().<span class="ident">sie</span>();
pub struct UPSafeCell&lt;T&gt; { <span class="kw">unsafe</span> {
/// inner data <span class="ident">sstatus::clear_sie</span>();
inner: RefCell&lt;T&gt;, }
<span class="ident">sie</span>
} }
unsafe impl&lt;T&gt; Sync for UPSafeCell&lt;T&gt; {} <span class="attribute">#[<span class="ident">no_mangle</span>]</span>
<span class="kw">extern</span> <span class="string">&quot;C&quot;</span> <span class="kw">fn</span> <span class="ident">enable_intr</span>() {
impl&lt;T&gt; UPSafeCell&lt;T&gt; { <span class="kw">unsafe</span> {
/// User is responsible to guarantee that inner struct is only used in <span class="ident">sstatus::set_sie</span>();
/// uniprocessor.
pub unsafe fn new(value: T) -&gt; Self {
Self {
inner: RefCell::new(value),
}
} }
/// Panic if the data has been borrowed. }</code></pre></div>
pub fn exclusive_access(&amp;self) -&gt; RefMut&lt;&#39;_, T&gt; {
self.inner.borrow_mut()
}
}
*/</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">UPSafeCellRaw</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
<span class="ident">inner</span>: <span class="ident">UnsafeCell</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span>,
}
<span class="kw">unsafe</span> <span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> <span class="ident">Sync</span> <span class="kw">for</span> <span class="ident">UPSafeCellRaw</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {}
<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> <span class="ident">UPSafeCellRaw</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">value</span>: <span class="ident">T</span>) -&gt; <span class="self">Self</span> {
<span class="self">Self</span> {
<span class="ident">inner</span>: <span class="ident">UnsafeCell::new</span>(<span class="ident">value</span>),
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_mut</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut</span> <span class="ident">T</span> {
<span class="kw">unsafe</span> { <span class="kw-2">&amp;mut</span> (<span class="kw-2">*</span><span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">get</span>()) }
}
}
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">IntrMaskingInfo</span> {
<span class="ident">nested_level</span>: <span class="ident">usize</span>,
<span class="ident">sie_before_masking</span>: <span class="ident">bool</span>,
}
<span class="macro">lazy_static!</span> {
<span class="kw">static</span> <span class="kw-2">ref</span> <span class="ident">INTR_MASKING_INFO</span>: <span class="ident">UPSafeCellRaw</span><span class="op">&lt;</span><span class="ident">IntrMaskingInfo</span><span class="op">&gt;</span> <span class="op">=</span>
<span class="kw">unsafe</span> { <span class="ident">UPSafeCellRaw::new</span>(<span class="ident">IntrMaskingInfo::new</span>()) };
}
<span class="kw">impl</span> <span class="ident">IntrMaskingInfo</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() -&gt; <span class="self">Self</span> {
<span class="self">Self</span> {
<span class="ident">nested_level</span>: <span class="number">0</span>,
<span class="ident">sie_before_masking</span>: <span class="bool-val">false</span>,
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">enter</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) {
<span class="kw">let</span> <span class="ident">sie</span> <span class="op">=</span> <span class="ident">sstatus::read</span>().<span class="ident">sie</span>();
<span class="kw">unsafe</span> {
<span class="ident">sstatus::clear_sie</span>();
}
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">nested_level</span> <span class="op">==</span> <span class="number">0</span> {
<span class="self">self</span>.<span class="ident">sie_before_masking</span> <span class="op">=</span> <span class="ident">sie</span>;
}
<span class="self">self</span>.<span class="ident">nested_level</span> <span class="op">+</span><span class="op">=</span> <span class="number">1</span>;
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">exit</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) {
<span class="self">self</span>.<span class="ident">nested_level</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">nested_level</span> <span class="op">==</span> <span class="number">0</span> <span class="op">&amp;&amp;</span> <span class="self">self</span>.<span class="ident">sie_before_masking</span> {
<span class="kw">unsafe</span> {
<span class="ident">sstatus::set_sie</span>();
}
}
}
}
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">UPIntrFreeCell</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
<span class="doccomment">/// inner data</span>
<span class="ident">inner</span>: <span class="ident">RefCell</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span>,
}
<span class="kw">unsafe</span> <span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> <span class="ident">Sync</span> <span class="kw">for</span> <span class="ident">UPIntrFreeCell</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {}
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">UPIntrRefMut</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="ident">T</span><span class="op">&gt;</span>(<span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">RefMut</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="ident">T</span><span class="op">&gt;</span><span class="op">&gt;</span>);
<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> <span class="ident">UPIntrFreeCell</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">value</span>: <span class="ident">T</span>) -&gt; <span class="self">Self</span> {
<span class="self">Self</span> {
<span class="ident">inner</span>: <span class="ident">RefCell::new</span>(<span class="ident">value</span>),
}
}
<span class="doccomment">/// Panic if the data has been borrowed.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">exclusive_access</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="ident">UPIntrRefMut</span><span class="op">&lt;</span><span class="lifetime">&#39;_</span>, <span class="ident">T</span><span class="op">&gt;</span> {
<span class="ident">INTR_MASKING_INFO</span>.<span class="ident">get_mut</span>().<span class="ident">enter</span>();
<span class="ident">UPIntrRefMut</span>(<span class="prelude-val">Some</span>(<span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">borrow_mut</span>()))
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">exclusive_session</span><span class="op">&lt;</span><span class="ident">F</span>, <span class="ident">V</span><span class="op">&gt;</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">f</span>: <span class="ident">F</span>) -&gt; <span class="ident">V</span>
<span class="kw">where</span>
<span class="ident">F</span>: <span class="ident">FnOnce</span>(<span class="kw-2">&amp;mut</span> <span class="ident">T</span>) -&gt; <span class="ident">V</span>,
{
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">inner</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">exclusive_access</span>();
<span class="ident">f</span>(<span class="ident">inner</span>.<span class="ident">deref_mut</span>())
}
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="ident">T</span><span class="op">&gt;</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">UPIntrRefMut</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="ident">T</span><span class="op">&gt;</span> {
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) {
<span class="self">self</span>.<span class="number">0</span> <span class="op">=</span> <span class="prelude-val">None</span>;
<span class="ident">INTR_MASKING_INFO</span>.<span class="ident">get_mut</span>().<span class="ident">exit</span>();
}
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="ident">T</span><span class="op">&gt;</span> <span class="ident">Deref</span> <span class="kw">for</span> <span class="ident">UPIntrRefMut</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="ident">T</span><span class="op">&gt;</span> {
<span class="kw">type</span> <span class="ident">Target</span> <span class="op">=</span> <span class="ident">T</span>;
<span class="kw">fn</span> <span class="ident">deref</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span><span class="ident"><span class="self">Self</span>::Target</span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>().<span class="ident">deref</span>()
}
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="ident">T</span><span class="op">&gt;</span> <span class="ident">DerefMut</span> <span class="kw">for</span> <span class="ident">UPIntrRefMut</span><span class="op">&lt;</span><span class="lifetime">&#39;a</span>, <span class="ident">T</span><span class="op">&gt;</span> {
<span class="kw">fn</span> <span class="ident">deref_mut</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut</span> <span class="ident"><span class="self">Self</span>::Target</span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>().<span class="ident">deref_mut</span>()
}
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html> </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

6
issue-104/src/os/syscall/process.rs.html
View File

@ -115,6 +115,9 @@
<span id="115">115</span> <span id="115">115</span>
<span id="116">116</span> <span id="116">116</span>
<span id="117">117</span> <span id="117">117</span>
<span id="118">118</span>
<span id="119">119</span>
<span id="120">120</span>
</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::fs</span>::{<span class="ident">open_file</span>, <span class="ident">OpenFlags</span>}; </pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::fs</span>::{<span class="ident">open_file</span>, <span class="ident">OpenFlags</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::mm</span>::{<span class="ident">translated_ref</span>, <span class="ident">translated_refmut</span>, <span class="ident">translated_str</span>}; <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::mm</span>::{<span class="ident">translated_ref</span>, <span class="ident">translated_refmut</span>, <span class="ident">translated_str</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::task</span>::{ <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::task</span>::{
@ -172,8 +175,11 @@
<span class="ident">args</span> <span class="op">=</span> <span class="ident">args</span>.<span class="ident">add</span>(<span class="number">1</span>); <span class="ident">args</span> <span class="op">=</span> <span class="ident">args</span>.<span class="ident">add</span>(<span class="number">1</span>);
} }
} }
<span class="macro">println!</span>(<span class="string">&quot;sys_exec :1&quot;</span>);
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">app_inode</span>) <span class="op">=</span> <span class="ident">open_file</span>(<span class="ident">path</span>.<span class="ident">as_str</span>(), <span class="ident">OpenFlags::RDONLY</span>) { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">app_inode</span>) <span class="op">=</span> <span class="ident">open_file</span>(<span class="ident">path</span>.<span class="ident">as_str</span>(), <span class="ident">OpenFlags::RDONLY</span>) {
<span class="macro">println!</span>(<span class="string">&quot;sys_exec :2&quot;</span>);
<span class="kw">let</span> <span class="ident">all_data</span> <span class="op">=</span> <span class="ident">app_inode</span>.<span class="ident">read_all</span>(); <span class="kw">let</span> <span class="ident">all_data</span> <span class="op">=</span> <span class="ident">app_inode</span>.<span class="ident">read_all</span>();
<span class="macro">println!</span>(<span class="string">&quot;sys_exec :3&quot;</span>);
<span class="kw">let</span> <span class="ident">process</span> <span class="op">=</span> <span class="ident">current_process</span>(); <span class="kw">let</span> <span class="ident">process</span> <span class="op">=</span> <span class="ident">current_process</span>();
<span class="kw">let</span> <span class="ident">argc</span> <span class="op">=</span> <span class="ident">args_vec</span>.<span class="ident">len</span>(); <span class="kw">let</span> <span class="ident">argc</span> <span class="op">=</span> <span class="ident">args_vec</span>.<span class="ident">len</span>();
<span class="ident">process</span>.<span class="ident">exec</span>(<span class="ident">all_data</span>.<span class="ident">as_slice</span>(), <span class="ident">args_vec</span>); <span class="ident">process</span>.<span class="ident">exec</span>(<span class="ident">all_data</span>.<span class="ident">as_slice</span>(), <span class="ident">args_vec</span>);