mirror of
https://github.com/neogeek23/rusty_snek_gaem.git
synced 2026-02-05 03:28:41 +00:00
23 lines
6.7 KiB
HTML
23 lines
6.7 KiB
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 `step` fn in crate `nix`."><meta name="keywords" content="rust, rustlang, rust-lang, step"><title>nix::sys::ptrace::step - Rust</title><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="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><div class="sidebar-elems"><p class='location'><a href='../../index.html'>nix</a>::<wbr><a href='../index.html'>sys</a>::<wbr><a href='index.html'>ptrace</a></p><script>window.sidebarCurrent = {name: 'step', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Function <a href='../../index.html'>nix</a>::<wbr><a href='../index.html'>sys</a>::<wbr><a href='index.html'>ptrace</a>::<wbr><a class="fn" href=''>step</a></span><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../../src/nix/sys/ptrace.rs.html#348-356' title='goto source code'>[src]</a></span></h1><pre class='rust fn'>pub fn step<T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="../../../nix/sys/signal/enum.Signal.html" title="enum nix::sys::signal::Signal">Signal</a>>>>(pid: <a class="struct" href="../../../nix/unistd/struct.Pid.html" title="struct nix::unistd::Pid">Pid</a>, sig: T) -> <a class="type" href="../../../nix/type.Result.html" title="type nix::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>></pre><div class='docblock'><p>Move the stopped tracee process forward by a single step as with
|
||
<code>ptrace(PTRACE_SINGLESTEP, ...)</code></p>
|
||
<p>Advances the execution of the process with PID <code>pid</code> by a single step optionally delivering a
|
||
signal specified by <code>sig</code>.</p>
|
||
<h1 id="example" class="section-header"><a href="#example">Example</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">nix</span>;
|
||
<span class="kw">use</span> <span class="ident">nix</span>::<span class="ident">sys</span>::<span class="ident">ptrace</span>::<span class="ident">step</span>;
|
||
<span class="kw">use</span> <span class="ident">nix</span>::<span class="ident">unistd</span>::<span class="ident">Pid</span>;
|
||
<span class="kw">use</span> <span class="ident">nix</span>::<span class="ident">sys</span>::<span class="ident">signal</span>::<span class="ident">Signal</span>;
|
||
<span class="kw">use</span> <span class="ident">nix</span>::<span class="ident">sys</span>::<span class="ident">wait</span>::<span class="kw-2">*</span>;
|
||
<span class="kw">fn</span> <span class="ident">main</span>() {
|
||
<span class="comment">// If a process changes state to the stopped state because of a SIGUSR1 </span>
|
||
<span class="comment">// signal, this will step the process forward and forward the user </span>
|
||
<span class="comment">// signal to the stopped process</span>
|
||
<span class="kw">match</span> <span class="ident">waitpid</span>(<span class="ident">Pid</span>::<span class="ident">from_raw</span>(<span class="op">-</span><span class="number">1</span>), <span class="prelude-val">None</span>) {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">WaitStatus</span>::<span class="ident">Stopped</span>(<span class="ident">pid</span>, <span class="ident">Signal</span>::<span class="ident">SIGUSR1</span>)) <span class="op">=></span> {
|
||
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">step</span>(<span class="ident">pid</span>, <span class="ident">Signal</span>::<span class="ident">SIGUSR1</span>);
|
||
}
|
||
<span class="kw">_</span> <span class="op">=></span> {},
|
||
}
|
||
}</pre>
|
||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../../";window.currentCrate = "nix";</script><script src="../../../aliases.js"></script><script src="../../../main.js"></script><script defer src="../../../search-index.js"></script></body></html> |