[ceph.git] / ceph / src / boost / libs / exception / doc / current_exception_diagnostic_information.html

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<h1>Boost Exception</h1>
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<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
<div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>current_exception_diagnostic_information</h3>
</div>
<div class="RenoIncludeDIV"><p><span class="RenoEscape">&#35;<!--<wiki>`&#35;</wiki>--></span>include &lt;<span class="RenoLink"><a href="boost_exception_diagnostic_information_hpp.html">boost/exception/diagnostic_information.hpp</a></span>&gt;<span class="RenoBR">&nbsp;</span><br/></p>
<pre>namespace
boost
    {
<span class="RenoIncludeSPAN">    std::string <span class="RenoLink">current_exception_diagnostic_information</span>();</span>
    }</pre>
</div><h4>Requirements:</h4>
<p>This function must not be called outside of a catch block.</p>
<h4>Returns:</h4>
<p>If the current exception object can be converted to boost::<span class="RenoLink"><a href="exception.html">exception</a></span> or std::exception, this function returns the same string value returned by <span class="RenoLink"><a href="diagnostic_information.html">diagnostic_information</a></span> for the current exception object. Otherwise, an unspecified non-empty string is returned.</p>
<p>Typical use is to call <span class="RenoLink">current_exception_diagnostic_information</span> from a top-level function to output diagnostic information about unhandled exceptions:</p>
<pre>int
main()
    {
    try
        {
        run_program();
        }
    catch(
    error &amp; e )
        {
        //handle error
        }
    catch(
    ...)
        {
        std::cerr &lt;&lt; "Unhandled exception!" &lt;&lt; std::endl &lt;&lt;
            boost::<span class="RenoLink">current_exception_diagnostic_information</span>();
        }
    }</pre>
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See also: <span class="RenoPageList"><a href="boost-exception.html">Boost Exception</a>&nbsp;| <a href="boost_exception_diagnostic_information_hpp.html">boost/exception/diagnostic_information.hpp</a>&nbsp;| <a href="diagnostic_information.html">diagnostic_information</a>&nbsp;| <a href="frequently_asked_questions.html">Frequently Asked Questions</a></span>
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<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
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<small>Copyright (c) 2006-2009 by Emil Dotchevski and Reverge Studios, Inc.<br/>
Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small>
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Commit	Line	Data
7c673cae FG	1	<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN'
	2	'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>
	3	<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>
	4	<head>
	5	<meta http-equiv='Content-Type' content='text/html; charset=utf-8'/>
	6	<title>current_exception_diagnostic_information</title>
	7	<link href='reno.css' type='text/css' rel='stylesheet'/>
	8	</head>
	9	<body>
	10	<div class="body-0">
	11	<div class="body-1">
	12	<div class="body-2">
	13	<div>
	14	<div id="boost_logo">
	15	<a href="http://www.boost.org"><img style="border:0" src="../../../boost.png" alt="Boost" width="277" height="86"/></a>
	16	</div>
	17	<h1>Boost Exception</h1>
	18	</div>
	19	<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
	20	<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
	21	<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
	22	<div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>current_exception_diagnostic_information</h3>
	23	</div>
	24	<div class="RenoIncludeDIV"><p><span class="RenoEscape">#<!--<wiki>`#</wiki>--></span>include <<span class="RenoLink"><a href="boost_exception_diagnostic_information_hpp.html">boost/exception/diagnostic_information.hpp</a></span>><span class="RenoBR"> </span><br/></p>
	25	<pre>namespace
	26	boost
	27	{
	28	<span class="RenoIncludeSPAN"> std::string <span class="RenoLink">current_exception_diagnostic_information</span>();</span>
	29	}</pre>
	30	</div><h4>Requirements:</h4>
	31	<p>This function must not be called outside of a catch block.</p>
	32	<h4>Returns:</h4>
	33	<p>If the current exception object can be converted to boost::<span class="RenoLink"><a href="exception.html">exception</a></span> or std::exception, this function returns the same string value returned by <span class="RenoLink"><a href="diagnostic_information.html">diagnostic_information</a></span> for the current exception object. Otherwise, an unspecified non-empty string is returned.</p>
	34	<p>Typical use is to call <span class="RenoLink">current_exception_diagnostic_information</span> from a top-level function to output diagnostic information about unhandled exceptions:</p>
	35	<pre>int
	36	main()
	37	{
	38	try
	39	{
	40	run_program();
	41	}
	42	catch(
	43	error & e )
	44	{
	45	//handle error
	46	}
	47	catch(
	48	...)
	49	{
	50	std::cerr << "Unhandled exception!" << std::endl <<
	51	boost::<span class="RenoLink">current_exception_diagnostic_information</span>();
	52	}
	53	}</pre>
	54	</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
	55	See also: <span class="RenoPageList"><a href="boost-exception.html">Boost Exception</a> \| <a href="boost_exception_diagnostic_information_hpp.html">boost/exception/diagnostic_information.hpp</a> \| <a href="diagnostic_information.html">diagnostic_information</a> \| <a href="frequently_asked_questions.html">Frequently Asked Questions</a></span>
	56	</div>
	57	<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
	58	<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
	59	<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
	60	<div id="footer">
	61	<p>
	62	<a class="logo" href="http://jigsaw.w3.org/css-validator/check/referer"><img class="logo_pic" src="valid-css.png" alt="Valid CSS" height="31" width="88"/></a>
	63	<a class="logo" href="http://validator.w3.org/check?uri=referer"><img class="logo_pic" src="valid-xhtml.png" alt="Valid XHTML 1.0" height="31" width="88"/></a>
	64	<small>Copyright (c) 2006-2009 by Emil Dotchevski and Reverge Studios, Inc.<br/>
65	Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small>
66	</p>
67	</div>
68	</div>
69	</div>
70	</div>
71	</body>
72	</html>