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<span class="in-band">List of all items</span></h1><h3 id="Structs">Structs</h3><ul class="structs docblock"><li><a href="struct.SigId.html">SigId</a></li></ul><h3 id="Functions">Functions</h3><ul class="functions docblock"><li><a href="fn.register.html">register</a></li><li><a href="fn.register_sigaction.html">register_sigaction</a></li><li><a href="fn.register_signal_unchecked.html">register_signal_unchecked</a></li><li><a href="fn.register_unchecked.html">register_unchecked</a></li><li><a href="fn.unregister.html">unregister</a></li></ul><h3 id="Constants">Constants</h3><ul class="constants docblock"><li><a href="constant.FORBIDDEN.html">FORBIDDEN</a></li></ul></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="signal_hook_registry"></div>
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<span class="in-band">List of all items</span></h1><h3 id="Structs">Structs</h3><ul class="structs docblock"><li><a href="struct.SigId.html">SigId</a></li></ul><h3 id="Functions">Functions</h3><ul class="functions docblock"><li><a href="fn.register.html">register</a></li><li><a href="fn.register_sigaction.html">register_sigaction</a></li><li><a href="fn.register_signal_unchecked.html">register_signal_unchecked</a></li><li><a href="fn.register_unchecked.html">register_unchecked</a></li><li><a href="fn.unregister.html">unregister</a></li></ul><h3 id="Constants">Constants</h3><ul class="constants docblock"><li><a href="constant.FORBIDDEN.html">FORBIDDEN</a></li></ul></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "signal_hook_registry";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
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@@ -1,10 +1,9 @@
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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="List of forbidden signals."><meta name="keywords" content="rust, rustlang, rust-lang, FORBIDDEN"><title>signal_hook_registry::FORBIDDEN - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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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 `FORBIDDEN` constant in crate `signal_hook_registry`."><meta name="keywords" content="rust, rustlang, rust-lang, FORBIDDEN"><title>signal_hook_registry::FORBIDDEN - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc constant"><!--[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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><div id="sidebar-vars" data-name="FORBIDDEN" data-ty="constant" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<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">Constant <a href="index.html">signal_hook_registry</a>::<wbr><a class="constant" href="">FORBIDDEN</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/signal_hook_registry/lib.rs.html#387" title="goto source code">[src]</a></span></h1><pre class="rust const">pub const FORBIDDEN: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>;</pre><div class="docblock"><p>List of forbidden signals.</p>
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<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc constant"><!--[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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><script>window.sidebarCurrent = {name: "FORBIDDEN", ty: "constant", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<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="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/signal_hook_registry/lib.rs.html#387" title="goto source code">[src]</a></span><span class="in-band">Constant <a href="index.html">signal_hook_registry</a>::<wbr><a class="constant" href="">FORBIDDEN</a></span></h1><pre class="rust const">pub const FORBIDDEN: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>;</pre><div class="docblock"><p>List of forbidden signals.</p>
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||||
<p>Some signals are impossible to replace according to POSIX and some are so special that this
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library refuses to handle them (eg. SIGSEGV). The routines panic in case registering one of
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||||
these signals is attempted.</p>
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||||
<p>See <a href="../signal_hook_registry/fn.register.html" title="register"><code>register</code></a>.</p>
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</div></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="signal_hook_registry"></div>
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<script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
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</div></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "signal_hook_registry";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
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@@ -1,12 +1,12 @@
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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="Registers an arbitrary action for the given signal."><meta name="keywords" content="rust, rustlang, rust-lang, register"><title>signal_hook_registry::register - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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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 `register` fn in crate `signal_hook_registry`."><meta name="keywords" content="rust, rustlang, rust-lang, register"><title>signal_hook_registry::register - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><div id="sidebar-vars" data-name="register" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<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">signal_hook_registry</a>::<wbr><a class="fn" href="">register</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/signal_hook_registry/lib.rs.html#494-499" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub unsafe fn register<F>(signal: <a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a>, action: F) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>() + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static, </span></pre><div class="docblock"><p>Registers an arbitrary action for the given signal.</p>
|
||||
<p>This makes sure there’s a signal handler for the given signal. It then adds the action to the
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><script>window.sidebarCurrent = {name: "register", 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!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<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="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/signal_hook_registry/lib.rs.html#494-499" title="goto source code">[src]</a></span><span class="in-band">Function <a href="index.html">signal_hook_registry</a>::<wbr><a class="fn" href="">register</a></span></h1><pre class="rust fn">pub unsafe fn register<F>(signal: <a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a>, action: F) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>() + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static, </span></pre><div class="docblock"><p>Registers an arbitrary action for the given signal.</p>
|
||||
<p>This makes sure there's a signal handler for the given signal. It then adds the action to the
|
||||
ones called each time the signal is delivered. If multiple actions are set for the same signal,
|
||||
all are called, in the order of registration.</p>
|
||||
<p>If there was a previous signal handler for the given signal, it is chained ‒ it will be called
|
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as part of this library’s signal handler, before any actions set through this function.</p>
|
||||
as part of this library's signal handler, before any actions set through this function.</p>
|
||||
<p>On success, the function returns an ID that can be used to remove the action again with
|
||||
<a href="../signal_hook_registry/fn.unregister.html" title="unregister"><code>unregister</code></a>.</p>
|
||||
<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
|
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@@ -21,8 +21,8 @@ as part of this library’s signal handler, before any actions set through this
|
||||
<p>The first two are not possible to override (and the underlying C functions simply ignore all
|
||||
requests to do so, which smells of possible bugs, or return errors). The rest can be set, but
|
||||
generally needs very special handling to do so correctly (direct manipulation of the
|
||||
application’s address space, <code>longjmp</code> and similar). Unless you know very well what you’re
|
||||
doing, you’ll shoot yourself into the foot and this library won’t help you with that.</p>
|
||||
application's address space, <code>longjmp</code> and similar). Unless you know very well what you're
|
||||
doing, you'll shoot yourself into the foot and this library won't help you with that.</p>
|
||||
<h1 id="errors" class="section-header"><a href="#errors">Errors</a></h1>
|
||||
<p>Since the library manipulates signals using the low-level C functions, all these can return
|
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errors. Generally, the errors mean something like the specified signal does not exist on the
|
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@@ -36,8 +36,8 @@ functions allowed to be called from within is very limited (they are called asyn
|
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functions by POSIX). These specifically do <em>not</em> contain mutexes and memory
|
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allocation/deallocation. They <em>do</em> contain routines to terminate the program, to further
|
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manipulate signals (by the low-level functions, not by this library) and to read and write file
|
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descriptors. Calling program’s own functions consisting only of these is OK, as is manipulating
|
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program’s variables ‒ however, as the action can be called on any thread that does not have the
|
||||
descriptors. Calling program's own functions consisting only of these is OK, as is manipulating
|
||||
program's variables ‒ however, as the action can be called on any thread that does not have the
|
||||
given signal masked (by default no signal is masked on any thread), and mutexes are a no-go,
|
||||
this is harder than it looks like at first.</p>
|
||||
<p>As panicking from within a signal handler would be a panic across FFI boundary (which is
|
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@@ -46,7 +46,7 @@ undefined behavior), the passed handler must not panic.</p>
|
||||
<a href="https://docs.rs/signal-hook">signal-hook</a> crate ‒ these provide safe interface to use some
|
||||
common signal handling patters.</p>
|
||||
<h1 id="race-condition" class="section-header"><a href="#race-condition">Race condition</a></h1>
|
||||
<p>Upon registering the first hook for a given signal into this library, there’s a short race
|
||||
<p>Upon registering the first hook for a given signal into this library, there's a short race
|
||||
condition under the following circumstances:</p>
|
||||
<ul>
|
||||
<li>The program already has a signal handler installed for this particular signal (through some
|
||||
@@ -55,7 +55,7 @@ other library, possibly).</li>
|
||||
installed by this library.</li>
|
||||
<li>At the same time, the signal is delivered.</li>
|
||||
</ul>
|
||||
<p>Under such conditions signal-hook might wrongly “chain” to the older signal handler for a short
|
||||
<p>Under such conditions signal-hook might wrongly "chain" to the older signal handler for a short
|
||||
while (until the registration is fully complete).</p>
|
||||
<p>Note that the exact conditions of the race condition might change in future versions of the
|
||||
library. The recommended way to avoid it is to register signals before starting any additional
|
||||
@@ -64,7 +64,7 @@ threads, or at least not to register signals concurrently.</p>
|
||||
<h1 id="performance" class="section-header"><a href="#performance">Performance</a></h1>
|
||||
<p>Even when it is possible to repeatedly install and remove actions during the lifetime of a
|
||||
program, the installation and removal is considered a slow operation and should not be done
|
||||
very often. Also, there’s limited (though huge) amount of distinct IDs (they are <code>u128</code>).</p>
|
||||
very often. Also, there's limited (though huge) amount of distinct IDs (they are <code>u128</code>).</p>
|
||||
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
|
||||
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
||||
<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">signal_hook_registry</span>;
|
||||
@@ -80,5 +80,4 @@ very often. Also, there’s limited (though huge) amount of distinct IDs (they a
|
||||
<span class="ident">signal_hook_registry</span>::<span class="ident">unregister</span>(<span class="ident">signal</span>); <span class="comment">// Not really necessary.</span>
|
||||
<span class="prelude-val">Ok</span>(())
|
||||
}</pre></div>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="signal_hook_registry"></div>
|
||||
<script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "signal_hook_registry";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
@@ -1,11 +1,10 @@
|
||||
<!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="Register a signal action."><meta name="keywords" content="rust, rustlang, rust-lang, register_sigaction"><title>signal_hook_registry::register_sigaction - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<!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 `register_sigaction` fn in crate `signal_hook_registry`."><meta name="keywords" content="rust, rustlang, rust-lang, register_sigaction"><title>signal_hook_registry::register_sigaction - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-16x16.png">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><div id="sidebar-vars" data-name="register_sigaction" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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">signal_hook_registry</a>::<wbr><a class="fn" href="">register_sigaction</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/signal_hook_registry/lib.rs.html#511-516" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub unsafe fn register_sigaction<F>(<br> signal: <a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a>, <br> action: F<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(&<a class="struct" href="../libc/unix/linux_like/linux/gnu/b64/x86_64/struct.siginfo_t.html" title="struct libc::unix::linux_like::linux::gnu::b64::x86_64::siginfo_t">siginfo_t</a>) + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static, </span></pre><div class="docblock"><p>Register a signal action.</p>
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><script>window.sidebarCurrent = {name: "register_sigaction", 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!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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="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/signal_hook_registry/lib.rs.html#511-516" title="goto source code">[src]</a></span><span class="in-band">Function <a href="index.html">signal_hook_registry</a>::<wbr><a class="fn" href="">register_sigaction</a></span></h1><pre class="rust fn">pub unsafe fn register_sigaction<F>(<br> signal: <a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a>, <br> action: F<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(&<a class="struct" href="../libc/unix/linux_like/linux/gnu/b64/x86_64/struct.siginfo_t.html" title="struct libc::unix::linux_like::linux::gnu::b64::x86_64::siginfo_t">siginfo_t</a>) + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static, </span></pre><div class="docblock"><p>Register a signal action.</p>
|
||||
<p>This acts in the same way as <a href="../signal_hook_registry/fn.register.html" title="register"><code>register</code></a>, including the drawbacks, panics and performance
|
||||
characteristics. The only difference is the provided action accepts a <a href="../libc/unix/linux_like/linux/gnu/b64/x86_64/struct.siginfo_t.html" title="siginfo_t"><code>siginfo_t</code></a> argument,
|
||||
providing information about the received signal.</p>
|
||||
<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
|
||||
<p>See the details of <a href="../signal_hook_registry/fn.register.html" title="register"><code>register</code></a>.</p>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="signal_hook_registry"></div>
|
||||
<script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "signal_hook_registry";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
@@ -1,11 +1,10 @@
|
||||
<!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="Register a signal action without checking for forbidden signals."><meta name="keywords" content="rust, rustlang, rust-lang, register_signal_unchecked"><title>signal_hook_registry::register_signal_unchecked - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<!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 `register_signal_unchecked` fn in crate `signal_hook_registry`."><meta name="keywords" content="rust, rustlang, rust-lang, register_signal_unchecked"><title>signal_hook_registry::register_signal_unchecked - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-16x16.png">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><div id="sidebar-vars" data-name="register_signal_unchecked" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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">signal_hook_registry</a>::<wbr><a class="fn" href="">register_signal_unchecked</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/signal_hook_registry/lib.rs.html#539-544" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub unsafe fn register_signal_unchecked<F>(<br> signal: <a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a>, <br> action: F<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>() + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static, </span></pre><div class="docblock"><p>Register a signal action without checking for forbidden signals.</p>
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><script>window.sidebarCurrent = {name: "register_signal_unchecked", 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!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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="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/signal_hook_registry/lib.rs.html#539-544" title="goto source code">[src]</a></span><span class="in-band">Function <a href="index.html">signal_hook_registry</a>::<wbr><a class="fn" href="">register_signal_unchecked</a></span></h1><pre class="rust fn">pub unsafe fn register_signal_unchecked<F>(<br> signal: <a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a>, <br> action: F<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>() + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static, </span></pre><div class="docblock"><p>Register a signal action without checking for forbidden signals.</p>
|
||||
<p>This acts in the same way as <a href="../signal_hook_registry/fn.register_unchecked.html" title="register_unchecked"><code>register_unchecked</code></a>, including the drawbacks, panics and
|
||||
performance characteristics. The only difference is the provided action doesn’t accept a
|
||||
performance characteristics. The only difference is the provided action doesn't accept a
|
||||
<a href="../libc/unix/linux_like/linux/gnu/b64/x86_64/struct.siginfo_t.html" title="siginfo_t"><code>siginfo_t</code></a> argument.</p>
|
||||
<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
|
||||
<p>See the details of <a href="../signal_hook_registry/fn.register.html" title="register"><code>register</code></a>.</p>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="signal_hook_registry"></div>
|
||||
<script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "signal_hook_registry";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
@@ -1,14 +1,13 @@
|
||||
<!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="Register a signal action without checking for forbidden signals."><meta name="keywords" content="rust, rustlang, rust-lang, register_unchecked"><title>signal_hook_registry::register_unchecked - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<!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 `register_unchecked` fn in crate `signal_hook_registry`."><meta name="keywords" content="rust, rustlang, rust-lang, register_unchecked"><title>signal_hook_registry::register_unchecked - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-16x16.png">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><div id="sidebar-vars" data-name="register_unchecked" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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">signal_hook_registry</a>::<wbr><a class="fn" href="">register_unchecked</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/signal_hook_registry/lib.rs.html#560-565" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub unsafe fn register_unchecked<F>(<br> signal: <a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a>, <br> action: F<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(&<a class="struct" href="../libc/unix/linux_like/linux/gnu/b64/x86_64/struct.siginfo_t.html" title="struct libc::unix::linux_like::linux::gnu::b64::x86_64::siginfo_t">siginfo_t</a>) + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static, </span></pre><div class="docblock"><p>Register a signal action without checking for forbidden signals.</p>
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><script>window.sidebarCurrent = {name: "register_unchecked", 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!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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="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/signal_hook_registry/lib.rs.html#560-565" title="goto source code">[src]</a></span><span class="in-band">Function <a href="index.html">signal_hook_registry</a>::<wbr><a class="fn" href="">register_unchecked</a></span></h1><pre class="rust fn">pub unsafe fn register_unchecked<F>(<br> signal: <a class="type" href="../libc/unix/type.c_int.html" title="type libc::unix::c_int">c_int</a>, <br> action: F<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>> <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(&<a class="struct" href="../libc/unix/linux_like/linux/gnu/b64/x86_64/struct.siginfo_t.html" title="struct libc::unix::linux_like::linux::gnu::b64::x86_64::siginfo_t">siginfo_t</a>) + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static, </span></pre><div class="docblock"><p>Register a signal action without checking for forbidden signals.</p>
|
||||
<p>This acts the same way as <a href="../signal_hook_registry/fn.register_sigaction.html" title="register_sigaction"><code>register_sigaction</code></a>, but without checking for the <a href="../signal_hook_registry/constant.FORBIDDEN.html" title="FORBIDDEN"><code>FORBIDDEN</code></a>
|
||||
signals. All the signals passed are registered and it is up to the caller to make some sense of
|
||||
them.</p>
|
||||
<p>Note that you really need to know what you’re doing if you change eg. the <code>SIGSEGV</code> signal
|
||||
handler. Generally, you don’t want to do that. But unlike the other functions here, this
|
||||
<p>Note that you really need to know what you're doing if you change eg. the <code>SIGSEGV</code> signal
|
||||
handler. Generally, you don't want to do that. But unlike the other functions here, this
|
||||
function still allows you to do it.</p>
|
||||
<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
|
||||
<p>See the details of <a href="../signal_hook_registry/fn.register.html" title="register"><code>register</code></a>.</p>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="signal_hook_registry"></div>
|
||||
<script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "signal_hook_registry";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
@@ -1,9 +1,9 @@
|
||||
<!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="Removes a previously installed action."><meta name="keywords" content="rust, rustlang, rust-lang, unregister"><title>signal_hook_registry::unregister - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<!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 `unregister` fn in crate `signal_hook_registry`."><meta name="keywords" content="rust, rustlang, rust-lang, unregister"><title>signal_hook_registry::unregister - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-16x16.png">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><div id="sidebar-vars" data-name="unregister" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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">signal_hook_registry</a>::<wbr><a class="fn" href="">unregister</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/signal_hook_registry/lib.rs.html#632-644" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn unregister(id: <a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></pre><div class="docblock"><p>Removes a previously installed action.</p>
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="index.html">signal_hook_registry</a></p><script>window.sidebarCurrent = {name: "unregister", 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!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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="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/signal_hook_registry/lib.rs.html#632-644" title="goto source code">[src]</a></span><span class="in-band">Function <a href="index.html">signal_hook_registry</a>::<wbr><a class="fn" href="">unregister</a></span></h1><pre class="rust fn">pub fn unregister(id: <a class="struct" href="../signal_hook_registry/struct.SigId.html" title="struct signal_hook_registry::SigId">SigId</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></pre><div class="docblock"><p>Removes a previously installed action.</p>
|
||||
<p>This function does nothing if the action was already removed. It returns true if it was removed
|
||||
and false if the action wasn’t found.</p>
|
||||
and false if the action wasn't found.</p>
|
||||
<p>It can unregister all the actions installed by <a href="../signal_hook_registry/fn.register.html" title="register"><code>register</code></a> as well as the ones from downstream
|
||||
crates (like <a href="https://docs.rs/signal-hook"><code>signal-hook</code></a>).</p>
|
||||
<h1 id="warning" class="section-header"><a href="#warning">Warning</a></h1>
|
||||
@@ -14,5 +14,4 @@ terminate on them as is the default action. This is OK if you remove it as part
|
||||
but it is not recommended to remove termination actions during the normal runtime of
|
||||
application (unless the desired effect is to create something that can be terminated only by
|
||||
SIGKILL).</p>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="signal_hook_registry"></div>
|
||||
<script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "signal_hook_registry";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
@@ -1,7 +1,7 @@
|
||||
<!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="Backend of the signal-hook crate."><meta name="keywords" content="rust, rustlang, rust-lang, signal_hook_registry"><title>signal_hook_registry - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<!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 `signal_hook_registry` crate."><meta name="keywords" content="rust, rustlang, rust-lang, signal_hook_registry"><title>signal_hook_registry - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-16x16.png">
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc mod"><!--[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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><p class="location">Crate signal_hook_registry</p><div class="block version"><p>Version 1.3.0</p></div><div class="sidebar-elems"><a id="all-types" href="all.html"><p>See all signal_hook_registry's items</p></a><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#constants">Constants</a></li><li><a href="#functions">Functions</a></li></ul></div><p class="location"></p><div id="sidebar-vars" data-name="signal_hook_registry" data-ty="mod" data-relpath="../"></div></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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">Crate <a class="mod" href="">signal_hook_registry</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/signal_hook_registry/lib.rs.html#1-782" title="goto source code">[src]</a></span></h1><div class="docblock"><p>Backend of the <a href="https://docs.rs/signal-hook">signal-hook</a> crate.</p>
|
||||
<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc mod"><!--[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><a href='../signal_hook_registry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><p class="location">Crate signal_hook_registry</p><div class="block version"><p>Version 1.3.0</p></div><div class="sidebar-elems"><a id="all-types" href="all.html"><p>See all signal_hook_registry's items</p></a><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#constants">Constants</a></li><li><a href="#functions">Functions</a></li></ul></div><p class="location"></p><script>window.sidebarCurrent = {name: "signal_hook_registry", ty: "mod", relpath: "../"};</script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||||
<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="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/signal_hook_registry/lib.rs.html#1-782" title="goto source code">[src]</a></span><span class="in-band">Crate <a class="mod" href="">signal_hook_registry</a></span></h1><div class="docblock"><p>Backend of the <a href="https://docs.rs/signal-hook">signal-hook</a> crate.</p>
|
||||
<p>The <a href="https://docs.rs/signal-hook">signal-hook</a> crate tries to provide an API to the unix signals, which are a global
|
||||
resource. Therefore, it is desirable an application contains just one version of the crate
|
||||
which manages this global resource. But that makes it impossible to make breaking changes in
|
||||
@@ -25,20 +25,20 @@ signals. The <a href="https://docs.rs/signal-hook">signal-hook</a> is the genera
|
||||
application and provides several safe patterns of doing so.</p>
|
||||
<h1 id="rust-version-compatibility" class="section-header"><a href="#rust-version-compatibility">Rust version compatibility</a></h1>
|
||||
<p>Currently builds on 1.26.0 an newer and this is very unlikely to change. However, tests
|
||||
require dependencies that don’t build there, so tests need newer Rust version (they are run on
|
||||
require dependencies that don't build there, so tests need newer Rust version (they are run on
|
||||
stable).</p>
|
||||
<h1 id="portability" class="section-header"><a href="#portability">Portability</a></h1>
|
||||
<p>This crate includes a limited support for Windows, based on <code>signal</code>/<code>raise</code> in the CRT.
|
||||
There are differences in both API and behavior:</p>
|
||||
<ul>
|
||||
<li>Due to lack of <code>siginfo_t</code>, we don’t provide <code>register_sigaction</code> or <code>register_unchecked</code>.</li>
|
||||
<li>Due to lack of signal blocking, there’s a race condition.
|
||||
After the call to <code>signal</code>, there’s a moment where we miss a signal.
|
||||
<li>Due to lack of <code>siginfo_t</code>, we don't provide <code>register_sigaction</code> or <code>register_unchecked</code>.</li>
|
||||
<li>Due to lack of signal blocking, there's a race condition.
|
||||
After the call to <code>signal</code>, there's a moment where we miss a signal.
|
||||
That means when you register a handler, there may be a signal which invokes
|
||||
neither the default handler or the handler you register.</li>
|
||||
<li>Handlers registered by <code>signal</code> in Windows are cleared on first signal.
|
||||
To match behavior in other platforms, we re-register the handler each time the handler is
|
||||
called, but there’s a moment where we miss a handler.
|
||||
called, but there's a moment where we miss a handler.
|
||||
That means when you receive two signals in a row, there may be a signal which invokes
|
||||
the default handler, nevertheless you certainly have registered the handler.</li>
|
||||
</ul>
|
||||
@@ -52,5 +52,4 @@ the default handler, nevertheless you certainly have registered the handler.</li
|
||||
</td></tr><tr class="module-item"><td><a class="fn" href="fn.register_signal_unchecked.html" title="signal_hook_registry::register_signal_unchecked fn">register_signal_unchecked</a><a title="unsafe function" href="#"><sup>⚠</sup></a></td><td class="docblock-short"><p>Register a signal action without checking for forbidden signals.</p>
|
||||
</td></tr><tr class="module-item"><td><a class="fn" href="fn.register_unchecked.html" title="signal_hook_registry::register_unchecked fn">register_unchecked</a><a title="unsafe function" href="#"><sup>⚠</sup></a></td><td class="docblock-short"><p>Register a signal action without checking for forbidden signals.</p>
|
||||
</td></tr><tr class="module-item"><td><a class="fn" href="fn.unregister.html" title="signal_hook_registry::unregister fn">unregister</a></td><td class="docblock-short"><p>Removes a previously installed action.</p>
|
||||
</td></tr></table></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="signal_hook_registry"></div>
|
||||
<script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
</td></tr></table></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "signal_hook_registry";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
|
||||
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Reference in New Issue
Block a user