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ghc-6.10.4-1mdv2010.0.i586.rpm

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>System.Posix.DynamicLinker</TITLE
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>unix-2.3.2.0: POSIX functionality</TD
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><A HREF="index.html"
>Contents</A
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>Index</A
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>System.Posix.DynamicLinker</FONT
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><TD ALIGN="right"
><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0"
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><TD CLASS="infohead"
>Portability</TD
><TD CLASS="infoval"
>non-portable (requires POSIX)</TD
></TR
><TR
><TD CLASS="infohead"
>Stability</TD
><TD CLASS="infoval"
>provisional</TD
></TR
><TR
><TD CLASS="infohead"
>Maintainer</TD
><TD CLASS="infoval"
>vs@foldr.org</TD
></TR
></TABLE
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Description</TD
></TR
><TR
><TD CLASS="doc"
>Dynamic linker support through dlopen()
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Synopsis</TD
></TR
><TR
><TD CLASS="s15"
></TD
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><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
>module <A HREF="System-Posix-DynamicLinker-Prim.html"
>System.Posix.DynamicLinker.Prim</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Adlopen"
>dlopen</A
> :: <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; [<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
>] -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Adlsym"
>dlsym</A
> ::  <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Foreign-Ptr.html#t%3AFunPtr"
>FunPtr</A
> a)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Adlerror"
>dlerror</A
> :: <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Adlclose"
>dlclose</A
> :: <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AwithDL"
>withDL</A
> ::  <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; [<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
>] -&gt; (<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> a) -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AwithDL_"
>withDL_</A
> ::  <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; [<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
>] -&gt; (<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> a) -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Aundl"
>undl</A
> :: <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/Foreign-Ptr.html#t%3APtr"
>Ptr</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Documentation</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
>module <A HREF="System-Posix-DynamicLinker-Prim.html"
>System.Posix.DynamicLinker.Prim</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:dlopen"
><A NAME="v%3Adlopen"
></A
></A
><B
>dlopen</B
> :: <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; [<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
>] -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:dlsym"
><A NAME="v%3Adlsym"
></A
></A
><B
>dlsym</B
> ::  <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Foreign-Ptr.html#t%3AFunPtr"
>FunPtr</A
> a)</TD
></TR
><TR
><TD CLASS="doc"
><TT
><A HREF="System-Posix-DynamicLinker.html#v%3Adlsym"
>dlsym</A
></TT
> returns the address binding of the symbol described in <TT
>symbol</TT
>,
 as it occurs in the shared object identified by <TT
>source</TT
>.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:dlerror"
><A NAME="v%3Adlerror"
></A
></A
><B
>dlerror</B
> :: <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../base/Data-Char.html#t%3AString"
>String</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:dlclose"
><A NAME="v%3Adlclose"
></A
></A
><B
>dlclose</B
> :: <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:withDL"
><A NAME="v%3AwithDL"
></A
></A
><B
>withDL</B
> ::  <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; [<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
>] -&gt; (<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> a) -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:withDL_"
><A NAME="v%3AwithDL_"
></A
></A
><B
>withDL_</B
> ::  <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; [<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
>] -&gt; (<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> a) -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:undl"
><A NAME="v%3Aundl"
></A
></A
><B
>undl</B
> :: <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
> -&gt; <A HREF="../base/Foreign-Ptr.html#t%3APtr"
>Ptr</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="doc"
><TT
><A HREF="System-Posix-DynamicLinker.html#v%3Aundl"
>undl</A
></TT
> obtains the raw handle. You mustn't do something like
 <TT
>withDL mod flags $ liftM undl &gt;&gt;=  p -&gt; use p</TT
>
</TD
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>Produced by <A HREF="http://www.haskell.org/haddock/"
>Haddock</A
> version 2.4.2</TD
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