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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html><head><title>Suspend Execution For A Short Time</title><style type="text/css">body { margin: auto; font-family: "Verdana" "sans-serif"; padding: 8px 1%;}a { color: #45735f }a:visited { color: #734559 }.logo { position:absolute; margin:3px; }.tagline { float:right; text-align:right; font-style:italic; width:240px; margin:12px; margin-top:58px;}.toolbar { font-variant: small-caps; text-align: center; line-height: 1.6em; margin: 0; padding:1px 8px;}.toolbar a { color: white; text-decoration: none; padding: 6px 12px; }.toolbar a:visited { color: white; }.toolbar a:hover { color: #80a796; background: white; }.content { margin: 5%; }.content dt { font-weight:bold; }.content dd { margin-bottom: 25px; margin-left:20%; }.content ul { padding:0px; padding-left: 15px; margin:0px; }/* rounded corners */.se { background: url(../images/se.png) 100% 100% no-repeat #80a796}.sw { background: url(../images/sw.png) 0% 100% no-repeat }.ne { background: url(../images/ne.png) 100% 0% no-repeat }.nw { background: url(../images/nw.png) 0% 0% no-repeat }</style><meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head><body><div><!-- container div to satisfy validator --><a href="../index.html"><img class="logo" src="../images/SQLite.gif" alt="SQLite Logo" border="0"></a><div><!-- IE hack to prevent disappearing logo--></div><div class="tagline">Small. Fast. Reliable.<br>Choose any three.</div><table width=100% style="clear:both"><tr><td> <div class="se"><div class="sw"><div class="ne"><div class="nw"> <div class="toolbar"> <a href="../about.html">About</a> <a href="../sitemap.html">Sitemap</a> <a href="../docs.html">Documentation</a> <a href="../download.html">Download</a> <a href="../copyright.html">License</a> <a href="../news.html">News</a> <a href="http://www.sqlite.org/cvstrac/index">Developers</a> <a href="../support.html">Support</a> </div></div></div></div></div></td></tr></table> <a href="intro.html"><h2>SQLite C Interface</h2></a><h2>Suspend Execution For A Short Time</h2><blockquote><pre>int sqlite3_sleep(int);</pre></blockquote><p>The sqlite3_sleep() functioncauses the current thread to suspend executionfor at least a number of milliseconds specified in its parameter.</p><p>If the operating system does not support sleep requests withmillisecond time resolution, then the time will be rounded up tothe nearest second. The number of milliseconds of sleep actuallyrequested from the operating system is returned.</p><p>SQLite implements this interface by calling the xSleep()method of the default <a href="../c3ref/vfs.html">sqlite3_vfs</a> object.</p><p><h3>Invariants:</h3><table border="0" cellpadding="5" cellspacing="0"><tr><td valign="top">F10533</td> <td valign="top">The <a href="../c3ref/sleep.html">sqlite3_sleep(M)</a> interface invokes the xSleepmethod of the default <a href="../c3ref/vfs.html">VFS</a> in order tosuspend execution of the current thread for at leastM milliseconds.</td></tr><tr><td valign="top">F10536</td> <td valign="top">The <a href="../c3ref/sleep.html">sqlite3_sleep(M)</a> interface returns the number ofmilliseconds of sleep actually requested of the operatingsystem, which might be larger than the parameter M.</td></tr></table></p><p>See also lists of <a href="objlist.html">Objects</a>, <a href="constlist.html">Constants</a>, and <a href="funclist.html">Functions</a>.</p><hr><small><i>This page last modified 2008/02/21 17:46:11 UTC</i></small></div></body></html>?? 快捷鍵說明
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