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<TITLE>Tcl API Reference -- ns_adp_abort</TITLE>
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<a name="145894">
</a><h3>ns_adp_abort</h3>
<a name="145895">
</a><h4>Overview</h4>
<p><a name="145896">
</a>Stop processing of ADP and throw away all output</p>
<a name="145897">
</a><h4>Syntax</h4>
<p><a name="145898">
</a><b>ns_adp_abort </b>?<i>return_value</i>?</p>
<a name="145899">
</a><h4>Description</h4>
<p><a name="146957">
</a>This function aborts processing of the ADP file and any pending output up to that point is deleted. However, if a streaming script was processed before <b>ns_adp_abort</b> was called, the data will already have been output. Also, if any functions that cause output (such as <b>ns_return</b> or <b>ns_write</b>) were called before <b>ns_adp_abort</b>, their output will already have been output also.</p>
<p><a name="216553">
</a><b>ns_adp_abort</b> closes the connection without returning an empty HTML page. Every <b>ns_return</b><i>xxx</i> call in an ADP should be followed with a call to <b>ns_adp_abort</b>.</p>
<p><a name="216535">
</a>The <i>return_value</i>, if specified, becomes the return value of the ADP.</p>
<p><a name="296626">
</a>Note that this function returns all the way up the call stack. For example, suppose a.adp includes b.adp which includes c.adp, and c.adp calls <b>ns_adp_abort</b>. No code in b.adp or a.adp after the includes will be executed. You can get around this in one of two ways:</p>
<ul><li>You can execute these calls in a.adp and b.adp, respectively:<a name="296631">
</a>
<p><pre> <a name="296640"></a>catch {ns_adp_include b.adp} retval
<a name="296647"></a>catch {ns_adp_include c.adp} retval
</pre><p><li>Or, you can execute this call in c.adp:<a name="296636">
</a>
<p><pre> <a name="296643"></a>ns_adp_return ?retval?
</pre><p><dl>
<dt>The <b>ns_adp_return</b> function returns up only one level.<a name="296644">
</a>
<p></dl>
</ul>
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