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>System.Daemon</TITLE
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>MissingH-1.1.0.3: Large utility library</TD
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>System.Daemon</FONT
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><TD CLASS="infohead"
>Portability</TD
><TD CLASS="infoval"
>portable to platforms with POSIX process\/signal tools</TD
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><TD CLASS="infohead"
>Stability</TD
><TD CLASS="infoval"
>provisional</TD
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><TD CLASS="infohead"
>Maintainer</TD
><TD CLASS="infoval"
>John Goerzen <jgoerzen@complete.org></TD
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><TD CLASS="section1"
>Description</TD
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><P
>Tools for writing daemons/server processes
</P
><P
>Written by John Goerzen, jgoerzen@complete.org
</P
><P
>Please note: Most of this module is not compatible with Hugs.
</P
><P
>Messages from this module are logged under <TT
>System.Daemon</TT
>. See
System.Log.Logger for details.
</P
><P
>Based on background
from <A HREF="http://www.erlenstar.demon.co.uk/unix/faq_2.html#SEC16"
>http://www.erlenstar.demon.co.uk/unix/faq_2.html#SEC16</A
> and
<A HREF="http://www.haskell.org/hawiki/HaskellUnixDaemon"
>http://www.haskell.org/hawiki/HaskellUnixDaemon</A
>.
</P
><P
>This module is not available on Windows.
</P
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>Synopsis</TD
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><TD CLASS="decl"
><A HREF="#v%3AdetachDaemon"
>detachDaemon</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
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>Documentation</TD
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><A NAME="v:detachDaemon"
><A NAME="v%3AdetachDaemon"
></A
></A
><B
>detachDaemon</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
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><A HREF="src/System-Daemon.html#detachDaemon"
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><P
>Detach the process from a controlling terminal and run it in the
background, handling it with standard Unix deamon semantics.
</P
><P
>After running this, please note the following side-effects:
</P
><UL
><LI
> The PID of the running process will change
</LI
><LI
> stdin, stdout, and stderr will not work (they'll be set to
/dev/null)
</LI
><LI
> CWD will be changed to /
</LI
></UL
><P
>I <EM
>highly</EM
> suggest running this function before starting any threads.
</P
><P
>Note that this is not intended for a daemon invoked from inetd(1).
</P
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>Produced by <A HREF="http://www.haskell.org/haddock/"
>Haddock</A
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