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

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>System.Posix.DynamicLinker.Prim</TITLE
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>unix-2.3.2.0: POSIX functionality</TD
><TD CLASS="topbut"
><A HREF="index.html"
>Contents</A
></TD
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>Index</A
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><FONT SIZE="6"
>System.Posix.DynamicLinker.Prim</FONT
></TD
><TD ALIGN="right"
><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0"
><TR
><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
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><TR
><TD
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="section4"
><B
>Contents</B
></TD
></TR
><TR
><TD
><DL
><DT
><A HREF="#1"
>low level API
</A
></DT
></DL
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Description</TD
></TR
><TR
><TD CLASS="doc"
>DLOpen and friend
  Derived from GModule.chs by M.Weber &amp; M.Chakravarty which is part of c2hs
  I left the API more or less the same, mostly the flags are different.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Synopsis</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="#v%3Ac_dlopen"
>c_dlopen</A
> :: <A HREF="../base/Foreign-C-String.html#t%3ACString"
>CString</A
> -&gt; <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<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="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Ac_dlsym"
>c_dlsym</A
> ::  <A HREF="../base/Foreign-Ptr.html#t%3APtr"
>Ptr</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> -&gt; <A HREF="../base/Foreign-C-String.html#t%3ACString"
>CString</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%3Ac_dlerror"
>c_dlerror</A
> :: <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../base/Foreign-C-String.html#t%3ACString"
>CString</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Ac_dlclose"
>c_dlclose</A
> :: <A HREF="../base/Foreign-Ptr.html#t%3APtr"
>Ptr</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AhaveRtldNext"
>haveRtldNext</A
> :: <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AhaveRtldLocal"
>haveRtldLocal</A
> :: <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ApackRTLDFlags"
>packRTLDFlags</A
> :: [<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
>] -&gt; <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3ARTLDFlags"
>RTLDFlags</A
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
>= <A HREF="#v%3ARTLD_LAZY"
>RTLD_LAZY</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3ARTLD_NOW"
>RTLD_NOW</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3ARTLD_GLOBAL"
>RTLD_GLOBAL</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3ARTLD_LOCAL"
>RTLD_LOCAL</A
></TD
></TR
></TABLE
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ApackDL"
>packDL</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
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3ADL"
>DL</A
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
>= <A HREF="#v%3ANull"
>Null</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3ANext"
>Next</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3ADefault"
>Default</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3ADLHandle"
>DLHandle</A
> (<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
></TABLE
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
><A NAME="1"
><A NAME="1"
>low level API
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:c_dlopen"
><A NAME="v%3Ac_dlopen"
></A
></A
><B
>c_dlopen</B
> :: <A HREF="../base/Foreign-C-String.html#t%3ACString"
>CString</A
> -&gt; <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<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="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:c_dlsym"
><A NAME="v%3Ac_dlsym"
></A
></A
><B
>c_dlsym</B
> ::  <A HREF="../base/Foreign-Ptr.html#t%3APtr"
>Ptr</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> -&gt; <A HREF="../base/Foreign-C-String.html#t%3ACString"
>CString</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="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:c_dlerror"
><A NAME="v%3Ac_dlerror"
></A
></A
><B
>c_dlerror</B
> :: <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../base/Foreign-C-String.html#t%3ACString"
>CString</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:c_dlclose"
><A NAME="v%3Ac_dlclose"
></A
></A
><B
>c_dlclose</B
> :: <A HREF="../base/Foreign-Ptr.html#t%3APtr"
>Ptr</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:haveRtldNext"
><A NAME="v%3AhaveRtldNext"
></A
></A
><B
>haveRtldNext</B
> :: <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:haveRtldLocal"
><A NAME="v%3AhaveRtldLocal"
></A
></A
><B
>haveRtldLocal</B
> :: <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:packRTLDFlags"
><A NAME="v%3ApackRTLDFlags"
></A
></A
><B
>packRTLDFlags</B
> :: [<A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
>] -&gt; <A HREF="../base/Foreign-C-Types.html#t%3ACInt"
>CInt</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:RTLDFlags"
><A NAME="t%3ARTLDFlags"
></A
></A
><B
>RTLDFlags</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="section4"
>Constructors</TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="arg"
><A NAME="v:RTLD_LAZY"
><A NAME="v%3ARTLD_LAZY"
></A
></A
><B
>RTLD_LAZY</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:RTLD_NOW"
><A NAME="v%3ARTLD_NOW"
></A
></A
><B
>RTLD_NOW</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:RTLD_GLOBAL"
><A NAME="v%3ARTLD_GLOBAL"
></A
></A
><B
>RTLD_GLOBAL</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:RTLD_LOCAL"
><A NAME="v%3ARTLD_LOCAL"
></A
></A
><B
>RTLD_LOCAL</B
></TD
><TD CLASS="rdoc"
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:RTLDFlags')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:RTLDFlags" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="../base/Text-Read.html#t%3ARead"
>Read</A
> <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Text-Show.html#t%3AShow"
>Show</A
> <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ARTLDFlags"
>RTLDFlags</A
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:packDL"
><A NAME="v%3ApackDL"
></A
></A
><B
>packDL</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="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:DL"
><A NAME="t%3ADL"
></A
></A
><B
>DL</B
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>Flags for System.Posix.DynamicLinker.dlsym. Notice that <TT
><A HREF="System-Posix-DynamicLinker-Prim.html#v%3ANext"
>Next</A
></TT
>
 might not be available on your particular platform!
</TD
></TR
><TR
><TD CLASS="section4"
>Constructors</TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="arg"
><A NAME="v:Null"
><A NAME="v%3ANull"
></A
></A
><B
>Null</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:Next"
><A NAME="v%3ANext"
></A
></A
><B
>Next</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:Default"
><A NAME="v%3ADefault"
></A
></A
><B
>Default</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:DLHandle"
><A NAME="v%3ADLHandle"
></A
></A
><B
>DLHandle</B
> (<A HREF="../base/Foreign-Ptr.html#t%3APtr"
>Ptr</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
>)</TD
><TD CLASS="rdoc"
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:DL')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:DL" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="../base/Text-Show.html#t%3AShow"
>Show</A
> <A HREF="System-Posix-DynamicLinker-Prim.html#t%3ADL"
>DL</A
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
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>Produced by <A HREF="http://www.haskell.org/haddock/"
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