1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Function program_location</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../boost_dll/reference.html#header.boost.dll.runtime_symbol_info_hpp" title="Header <boost/dll/runtime_symbol_info.hpp>"> 10<link rel="prev" href="this_line_location.html" title="Function this_line_location"> 11<link rel="next" href="shared_library.html" title="Class shared_library"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 16<td align="center"><a href="../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="this_line_location.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_dll/reference.html#header.boost.dll.runtime_symbol_info_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="shared_library.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.dll.program_location"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Function program_location</span></h2> 30<p>boost::dll::program_location</p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../boost_dll/reference.html#header.boost.dll.runtime_symbol_info_hpp" title="Header <boost/dll/runtime_symbol_info.hpp>">boost/dll/runtime_symbol_info.hpp</a>> 34 35</span> 36<span class="identifier">boost</span><span class="special">::</span><span class="identifier">dll</span><span class="special">::</span><span class="identifier">fs</span><span class="special">::</span><span class="identifier">path</span> <span class="identifier">program_location</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">dll</span><span class="special">::</span><span class="identifier">fs</span><span class="special">::</span><span class="identifier">error_code</span> <span class="special">&</span> ec<span class="special">)</span><span class="special">;</span> 37<span class="identifier">boost</span><span class="special">::</span><span class="identifier">dll</span><span class="special">::</span><span class="identifier">fs</span><span class="special">::</span><span class="identifier">path</span> <span class="identifier">program_location</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></div> 38<div class="refsect1"> 39<a name="id-1.3.15.8.2.5.7.4"></a><h2>Description</h2> 40<p>On success returns full path and name of the currently running program (the one which contains the <code class="computeroutput">main()</code> function).</p> 41<p>Return value can be used as a parameter for <code class="computeroutput"><a class="link" href="shared_library.html" title="Class shared_library">shared_library</a></code>. See Tutorial "Linking plugin into the executable" for usage example. Flag '-rdynamic' must be used when linking the plugin into the executable on Linux OS.</p> 42<p> 43 44</p> 45<div class="variablelist"><table border="0" class="variablelist compact"> 46<colgroup> 47<col align="left" valign="top"> 48<col> 49</colgroup> 50<tbody> 51<tr> 52<td><p><span class="term">Parameters:</span></p></td> 53<td><div class="variablelist"><table border="0" class="variablelist compact"> 54<colgroup> 55<col align="left" valign="top"> 56<col> 57</colgroup> 58<tbody><tr> 59<td><p><span class="term"><code class="computeroutput">ec</code></span></p></td> 60<td><p>Variable that will be set to the result of the operation. </p></td> 61</tr></tbody> 62</table></div></td> 63</tr> 64<tr> 65<td><p><span class="term">Throws:</span></p></td> 66<td>std::bad_alloc in case of insufficient memory. Overload that does not accept <a class="link" href="fs/error_code.html" title="Type definition error_code">boost::dll::fs::error_code</a> also throws <a class="link" href="fs/system_error.html" title="Type definition system_error">boost::dll::fs::system_error</a>. </td> 67</tr> 68</tbody> 69</table></div> 70</div> 71</div> 72<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 73<td align="left"></td> 74<td align="right"><div class="copyright-footer">Copyright © 2014 Renato Tegon Forti, Antony Polukhin<br>Copyright © 2015 Antony Polukhin<br>Copyright © 2016 Antony Polukhin, Klemens Morgenstern<br>Copyright © 2017-2019 Antony Polukhin<p> 75 Distributed under the Boost Software License, Version 1.0. (See accompanying 76 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 77 </p> 78</div></td> 79</tr></table> 80<hr> 81<div class="spirit-nav"> 82<a accesskey="p" href="this_line_location.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_dll/reference.html#header.boost.dll.runtime_symbol_info_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="shared_library.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 83</div> 84</body> 85</html> 86
