libs101.htm
来自「ST20 Embedded Toolset R2.0.5用于开发基于ST20芯片」· HTM 代码 · 共 137 行
HTM
137 行
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<meta name="GENERATOR" content="Quadralay WebWorks Publisher Professional Edition 6.0.5">
<meta name="TEMPLATEBASE" content="book_html">
<meta name="LASTUPDATED" content="12/01/03 14:15:58">
<title>semaphore_delete</title>
<STYLE TYPE="text/css">
<!--
span.Signal { text-transform: uppercase; font-family: Verdana }
-->
</STYLE>
</head>
<body link="#3366CC" vlink="#9999CC" text="#000000" alink="#0000CC" bgcolor="#FFFFFF"
background="images/backgrnd.gif">
<p><img src="images/stlogo.gif" width="106" height="83" align="left"
alt="logo here!"> </p>
<table width="331" border="0" align="right" cellpadding="0" cellspacing="0">
<tr>
<td><a href="os20toc.htm"><img src="images/navtoc.gif" width="84" height="23"
border="0" alt="TOC"> </a></td>
<td><a href="libs100.htm"><img src="images/navprev.gif" width="80" height="23"
border="0" alt="PREV"> </a></td>
<td><a href="libs102.htm"><img src="images/navnext.gif" width="83" height="23"
border="0" alt="NEXT"> </a></td>
<td><a href="os20ix.htm"><img src="images/navidx.gif" width="84" height="23"
border="0" alt="INDEX"> </a></td>
</tr>
</table>
<p><br clear="all">
</p>
<hr align="left">
<blockquote>
<h2>
<a name="1208458"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">semaphore_delete</font>
</h2><hr>
<p>
<a name="1208459"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Delete a semaphore</font>
</p>
<h3>
<a name="1208460"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Synopsis</font>
</h3>
<a name="1208461"> </a><font size=2 face=Courier><strong>#include <semaphor.h><br></strong></font>
<a name="1208462"> </a><font size=2 face=Courier><strong>void semaphore_delete( semaphore_t <font size=2 face=Courier><strong><em>*sem</em></strong></font> );<br></strong></font>
<h3>
<a name="1208463"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Arguments</font>
</h3>
<p>
<a name="1233325"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><b><font size=2 face=Courier><strong>semaphore_t </strong></font><font size=2 face=Courier><strong><em>*sem</em></strong></font></b></font>
<br>
<dl><dl> <dl>
<dt> <a name="1233327"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Semaphore to delete</font>
</dl>
</dl></dl>
<h3>
<a name="1208466"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Results</font>
</h3>
<p>
<a name="1208467"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">None</font>
</p>
<h3>
<a name="1208468"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Errors</font>
</h3>
<p>
<a name="1208469"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">None</font>
</p>
<h3>
<a name="1208470"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Description</font>
</h3>
<p>
<a name="1208471"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">This function allows a semaphore to be deleted. If the semaphore was created using <font size=2 face=Courier><strong>semaphore_create</strong></font> then this also frees the memory used by the semaphore. If it was created using <font size=2 face=Courier><strong>semaphore_init</strong></font> then the user is responsible for freeing the semaphore data structure.</font>
</p>
<p>
<a name="1208472"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><em>Note: If any tasks are waiting on the semaphore when it is deleted, this causes the following fatal error to be reported:</em></font>
</p>
<a name="1239469"> </a><font size=2 face=Courier><strong>delete handler- operation on deleted object attempted<br></strong></font>
<p>
<a name="1239470"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><em>Similarly any attempt to use the deleted semaphore will report the same error.</em></font>
</p>
<h3>
<a name="1239471"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">Callable from</font>
</h3>
<p>
<a name="1226438"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Tasks only</font>
</p>
<h3>
<a name="1226439"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">See also</font>
</h3>
<p>
<a name="1226440"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif"><a href="libs97.htm#1208374"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>semaphore_create_fifo</i></font></a>, <a href="libs99.htm#1208416"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>semaphore_create_priority</i></font></a>, <a href="libs102.htm#1208481"><font color="#0000ff" face="Verdana, Arial, Helvetica, sans-serif"><i>semaphore_init_fifo</i></font></a>,⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?