<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>System.Posix.DynamicLinker.Prim</title><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean" /><script src="haddock-util.js" type="text/javascript"></script><script type="text/javascript">//<![CDATA[ window.onload = function () {pageLoad();setSynopsis("mini_System-Posix-DynamicLinker-Prim.html");}; //]]> </script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">unix-2.5.1.1: POSIX functionality</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Portability</th><td>non-portable (requires POSIX)</td></tr><tr><th>Stability</th><td>provisional</td></tr><tr><th>Maintainer</th><td>vs@foldr.org</td></tr><tr><th>Safe Haskell</th><td>Trustworthy</td></tr></table><p class="caption">System.Posix.DynamicLinker.Prim</p></div><div id="table-of-contents"><p class="caption">Contents</p><ul><li><a href="#g:1">low level API </a></li></ul></div><div id="description"><p class="caption">Description</p><div class="doc"><p>DLOpen and friend Derived from GModule.chs by M.Weber & M.Chakravarty which is part of c2hs I left the API more or less the same, mostly the flags are different. </p></div></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><a href="#v:c_dlopen">c_dlopen</a> :: <a href="../base-4.5.1.0/Foreign-C-String.html#t:CString">CString</a> -> <a href="../base-4.5.1.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> ())</li><li class="src short"><a href="#v:c_dlsym">c_dlsym</a> :: <a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> () -> <a href="../base-4.5.1.0/Foreign-C-String.html#t:CString">CString</a> -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:FunPtr">FunPtr</a> a)</li><li class="src short"><a href="#v:c_dlerror">c_dlerror</a> :: <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> <a href="../base-4.5.1.0/Foreign-C-String.html#t:CString">CString</a></li><li class="src short"><a href="#v:c_dlclose">c_dlclose</a> :: <a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> () -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> <a href="../base-4.5.1.0/Foreign-C-Types.html#t:CInt">CInt</a></li><li class="src short"><a href="#v:haveRtldNext">haveRtldNext</a> :: <a href="../base-4.5.1.0/Data-Bool.html#t:Bool">Bool</a></li><li class="src short"><a href="#v:haveRtldLocal">haveRtldLocal</a> :: <a href="../base-4.5.1.0/Data-Bool.html#t:Bool">Bool</a></li><li class="src short"><a href="#v:packRTLDFlags">packRTLDFlags</a> :: [<a href="System-Posix-DynamicLinker-Prim.html#t:RTLDFlags">RTLDFlags</a>] -> <a href="../base-4.5.1.0/Foreign-C-Types.html#t:CInt">CInt</a></li><li class="src short"><span class="keyword">data</span> <a href="#t:RTLDFlags">RTLDFlags</a> <ul class="subs"><li>= <a href="#v:RTLD_LAZY">RTLD_LAZY</a> </li><li>| <a href="#v:RTLD_NOW">RTLD_NOW</a> </li><li>| <a href="#v:RTLD_GLOBAL">RTLD_GLOBAL</a> </li><li>| <a href="#v:RTLD_LOCAL">RTLD_LOCAL</a> </li></ul></li><li class="src short"><a href="#v:packDL">packDL</a> :: <a href="System-Posix-DynamicLinker-Prim.html#t:DL">DL</a> -> <a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> ()</li><li class="src short"><span class="keyword">data</span> <a href="#t:DL">DL</a> <ul class="subs"><li>= <a href="#v:Null">Null</a> </li><li>| <a href="#v:Next">Next</a> </li><li>| <a href="#v:Default">Default</a> </li><li>| <a href="#v:DLHandle">DLHandle</a> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> ()) </li></ul></li></ul></div><div id="interface"><h1 id="g:1">low level API </h1><div class="top"><p class="src"><a name="v:c_dlopen" class="def">c_dlopen</a> :: <a href="../base-4.5.1.0/Foreign-C-String.html#t:CString">CString</a> -> <a href="../base-4.5.1.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> ())</p></div><div class="top"><p class="src"><a name="v:c_dlsym" class="def">c_dlsym</a> :: <a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> () -> <a href="../base-4.5.1.0/Foreign-C-String.html#t:CString">CString</a> -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:FunPtr">FunPtr</a> a)</p></div><div class="top"><p class="src"><a name="v:c_dlerror" class="def">c_dlerror</a> :: <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> <a href="../base-4.5.1.0/Foreign-C-String.html#t:CString">CString</a></p></div><div class="top"><p class="src"><a name="v:c_dlclose" class="def">c_dlclose</a> :: <a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> () -> <a href="../base-4.5.1.0/System-IO.html#t:IO">IO</a> <a href="../base-4.5.1.0/Foreign-C-Types.html#t:CInt">CInt</a></p></div><div class="top"><p class="src"><a name="v:haveRtldNext" class="def">haveRtldNext</a> :: <a href="../base-4.5.1.0/Data-Bool.html#t:Bool">Bool</a></p></div><div class="top"><p class="src"><a name="v:haveRtldLocal" class="def">haveRtldLocal</a> :: <a href="../base-4.5.1.0/Data-Bool.html#t:Bool">Bool</a></p></div><div class="top"><p class="src"><a name="v:packRTLDFlags" class="def">packRTLDFlags</a> :: [<a href="System-Posix-DynamicLinker-Prim.html#t:RTLDFlags">RTLDFlags</a>] -> <a href="../base-4.5.1.0/Foreign-C-Types.html#t:CInt">CInt</a></p></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:RTLDFlags" class="def">RTLDFlags</a> </p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:RTLD_LAZY" class="def">RTLD_LAZY</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:RTLD_NOW" class="def">RTLD_NOW</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:RTLD_GLOBAL" class="def">RTLD_GLOBAL</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:RTLD_LOCAL" class="def">RTLD_LOCAL</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:RTLDFlags" class="caption collapser" onclick="toggleSection('i:RTLDFlags')">Instances</p><div id="section.i:RTLDFlags" class="show"><table><tr><td class="src"><a href="../base-4.5.1.0/Text-Read.html#t:Read">Read</a> <a href="System-Posix-DynamicLinker-Prim.html#t:RTLDFlags">RTLDFlags</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="../base-4.5.1.0/Text-Show.html#t:Show">Show</a> <a href="System-Posix-DynamicLinker-Prim.html#t:RTLDFlags">RTLDFlags</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><a name="v:packDL" class="def">packDL</a> :: <a href="System-Posix-DynamicLinker-Prim.html#t:DL">DL</a> -> <a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> ()</p></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:DL" class="def">DL</a> </p><div class="doc"><p>Flags for <code><a href="System-Posix-DynamicLinker.html#v:dlsym">dlsym</a></code>. Notice that <code><a href="System-Posix-DynamicLinker-Prim.html#v:Next">Next</a></code> might not be available on your particular platform! </p></div><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:Null" class="def">Null</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Next" class="def">Next</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Default" class="def">Default</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:DLHandle" class="def">DLHandle</a> (<a href="../base-4.5.1.0/Foreign-Ptr.html#t:Ptr">Ptr</a> ())</td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:DL" class="caption collapser" onclick="toggleSection('i:DL')">Instances</p><div id="section.i:DL" class="show"><table><tr><td class="src"><a href="../base-4.5.1.0/Text-Show.html#t:Show">Show</a> <a href="System-Posix-DynamicLinker-Prim.html#t:DL">DL</a></td><td class="doc empty"> </td></tr></table></div></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.11.0</p></div></body></html>