| <!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="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/ctrlc-3.4.0/src/error.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>error.rs - source</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" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.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 source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../ctrlc/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../ctrlc/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><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"><a href="../../help.html">?</a></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><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="kw">use </span><span class="kw">crate</span>::platform; |
| <span class="kw">use </span>std::fmt; |
| |
| <span class="doccomment">/// Ctrl-C error. |
| </span><span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub enum </span>Error { |
| <span class="doccomment">/// Signal could not be found from the system. |
| </span>NoSuchSignal(<span class="kw">crate</span>::SignalType), |
| <span class="doccomment">/// Ctrl-C signal handler already registered. |
| </span>MultipleHandlers, |
| <span class="doccomment">/// Unexpected system error. |
| </span>System(std::io::Error), |
| } |
| |
| <span class="kw">impl </span>Error { |
| <span class="kw">fn </span>describe(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Error::NoSuchSignal(<span class="kw">_</span>) => <span class="string">"Signal could not be found from the system"</span>, |
| Error::MultipleHandlers => <span class="string">"Ctrl-C signal handler already registered"</span>, |
| Error::System(<span class="kw">_</span>) => <span class="string">"Unexpected system error"</span>, |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>From<platform::Error> <span class="kw">for </span>Error { |
| <span class="kw">fn </span>from(e: platform::Error) -> Error { |
| <span class="attribute">#[cfg(not(windows))] |
| </span><span class="kw">if </span>e == platform::Error::EEXIST { |
| <span class="kw">return </span>Error::MultipleHandlers; |
| } |
| |
| <span class="kw">let </span>system_error = std::io::Error::new(std::io::ErrorKind::Other, e); |
| Error::System(system_error) |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Display <span class="kw">for </span>Error { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { |
| <span class="macro">write!</span>(f, <span class="string">"Ctrl-C error: {}"</span>, <span class="self">self</span>.describe()) |
| } |
| } |
| |
| <span class="kw">impl </span>std::error::Error <span class="kw">for </span>Error { |
| <span class="kw">fn </span>description(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str { |
| <span class="self">self</span>.describe() |
| } |
| |
| <span class="kw">fn </span>cause(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="kw">dyn </span>std::error::Error> { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Error::System(<span class="kw-2">ref </span>e) => <span class="prelude-val">Some</span>(e), |
| <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| } |
| } |
| } |
| </code></pre></div> |
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