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69 lines
3.3 KiB
HTML
69 lines
3.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Retrieve the error number set by the last posix function that failed</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.posix-get-last-error" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">posix_get_last_error</h1>
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<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">posix_get_last_error</span> — <span class="dc-title">Retrieve the error number set by the last posix function that failed</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.posix-get-last-error-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>posix_get_last_error</strong></span>
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( <span class="methodparam">void</span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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Retrieve the error number set by the last posix function that failed.
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The system error message associated with the errno may be checked with
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<span class="function"><a href="posix_strerror.html" class="function">posix_strerror()</a></span>.
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.posix-get-last-error-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the errno (error number) set by the last posix function that
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failed. If no errors exist, 0 is returned.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.posix-get-last-error-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-4333">
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<p><strong>Example #1 <span class="function"><strong>posix_get_last_error()</strong></span> example</strong></p>
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<div class="example-contents"><p>
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This example attempt to kill a bogus process id, which will set the
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last error. We will then print out the last errno.
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</p></div>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />posix_kill</span><span style="color: #007700">(</span><span style="color: #0000BB">999459</span><span style="color: #007700">,</span><span style="color: #0000BB">SIGKILL</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">'Your error returned was '</span><span style="color: #007700">.</span><span style="color: #0000BB">posix_get_last_error</span><span style="color: #007700">(); </span><span style="color: #FF8000">//Your error was ___<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.posix-get-last-error-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="posix_strerror.html" class="function" rel="rdfs-seeAlso">posix_strerror()</a> - Retrieve the system error message associated with the given errno</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |