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ghc-glib-devel-0.11.2-3.fc14.i686.rpm

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>System.Glib.MainLoop</TITLE
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>glib-0.11.2: Binding to the GLIB library for Gtk2Hs.</TD
><TD CLASS="topbut"
><A HREF="src/System-Glib-MainLoop.html"
>Source code</A
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><FONT SIZE="6"
>System.Glib.MainLoop</FONT
></TD
><TD ALIGN="right"
><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="infohead"
>Portability</TD
><TD CLASS="infoval"
>portable (depends on GHC)</TD
></TR
><TR
><TD CLASS="infohead"
>Stability</TD
><TD CLASS="infoval"
>provisional</TD
></TR
><TR
><TD CLASS="infohead"
>Maintainer</TD
><TD CLASS="infoval"
>gtk2hs-users@lists.sourceforge.net</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"
>main event loop, and events
</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"
><SPAN CLASS="keyword"
>type</SPAN
> <A HREF="#t%3AHandlerId"
>HandlerId</A
> = <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Foreign-C-Types.html#t%3ACUInt"
>CUInt</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtimeoutAdd"
>timeoutAdd</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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtimeoutAddFull"
>timeoutAddFull</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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtimeoutRemove"
>timeoutRemove</A
> :: <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
> -&gt; <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
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AidleAdd"
>idleAdd</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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AidleRemove"
>idleRemove</A
> :: <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
> -&gt; <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
></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%3AIOCondition"
>IOCondition</A
>  </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
>= <A HREF="#v%3AIOIn"
>IOIn</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3AIOOut"
>IOOut</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3AIOPri"
>IOPri</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3AIOErr"
>IOErr</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3AIOHup"
>IOHup</A
></TD
></TR
><TR
><TD CLASS="decl"
>| <A HREF="#v%3AIOInvalid"
>IOInvalid</A
></TD
></TR
></TABLE
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AinputAdd"
>inputAdd</A
> :: FD -&gt; [<A HREF="System-Glib-MainLoop.html#t%3AIOCondition"
>IOCondition</A
>] -&gt; <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
> -&gt; <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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AinputRemove"
>inputRemove</A
> :: <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
> -&gt; <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
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>type</SPAN
> <A HREF="#t%3APriority"
>Priority</A
> = <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ApriorityLow"
>priorityLow</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ApriorityDefaultIdle"
>priorityDefaultIdle</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ApriorityHighIdle"
>priorityHighIdle</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ApriorityDefault"
>priorityDefault</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ApriorityHigh"
>priorityHigh</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AMainLoop"
>MainLoop</A
> </TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmainLoopNew"
>mainLoopNew</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmainLoopRun"
>mainLoopRun</A
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
> -&gt; <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
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmainLoopQuit"
>mainLoopQuit</A
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
> -&gt; <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
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmainLoopIsRunning"
>mainLoopIsRunning</A
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
> -&gt; <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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AMainContext"
>MainContext</A
> </TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmainContextNew"
>mainContextNew</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmainContextDefault"
>mainContextDefault</A
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmainContextIteration"
>mainContextIteration</A
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmainContextFindSourceById"
>mainContextFindSourceById</A
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>newtype</SPAN
>  <A HREF="#t%3ASource"
>Source</A
>  = <A HREF="#v%3ASource"
>Source</A
> (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Foreign-ForeignPtr.html#t%3AForeignPtr"
>ForeignPtr</A
> <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
>)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsourceAttach"
>sourceAttach</A
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsourceSetPriority"
>sourceSetPriority</A
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
> -&gt; <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
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsourceGetPriority"
>sourceGetPriority</A
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsourceDestroy"
>sourceDestroy</A
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <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
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsourceIsDestroyed"
>sourceIsDestroyed</A
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</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="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><SPAN CLASS="keyword"
>type</SPAN
> <A NAME="t:HandlerId"
><A NAME="t%3AHandlerId"
></A
></A
><B
>HandlerId</B
> = <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Foreign-C-Types.html#t%3ACUInt"
>CUInt</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#HandlerId"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:timeoutAdd"
><A NAME="v%3AtimeoutAdd"
></A
></A
><B
>timeoutAdd</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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#timeoutAdd"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
><P
>Sets a function to be called at regular intervals, with the default
 priority <TT
><A HREF="System-Glib-MainLoop.html#v%3ApriorityDefault"
>priorityDefault</A
></TT
>. The function is called repeatedly until it
 returns <TT
>False</TT
>, after which point the timeout function will not be called
 again. The first call to the function will be at the end of the first interval.
</P
><P
>Note that timeout functions may be delayed, due to the processing of other
 event sources. Thus they should not be relied on for precise timing. After
 each call to the timeout function, the time of the next timeout is
 recalculated based on the current time and the given interval (it does not
 try to 'catch up' time lost in delays).
</P
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:timeoutAddFull"
><A NAME="v%3AtimeoutAddFull"
></A
></A
><B
>timeoutAddFull</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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#timeoutAddFull"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
><P
>Sets a function to be called at regular intervals, with the given
 priority. The function is called repeatedly until it returns <TT
>False</TT
>, after
 which point the timeout function will not be called again. The first call
 to the function will be at the end of the first interval.
</P
><P
>Note that timeout functions may be delayed, due to the processing of other
 event sources. Thus they should not be relied on for precise timing. After
 each call to the timeout function, the time of the next timeout is
 recalculated based on the current time and the given interval (it does not
 try to 'catch up' time lost in delays).
</P
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:timeoutRemove"
><A NAME="v%3AtimeoutRemove"
></A
></A
><B
>timeoutRemove</B
> :: <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
> -&gt; <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
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#timeoutRemove"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Remove a previously added timeout handler by its <TT
><A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TT
>.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:idleAdd"
><A NAME="v%3AidleAdd"
></A
></A
><B
>idleAdd</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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#idleAdd"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
><P
>Add a callback that is called whenever the system is idle.
</P
><UL
><LI
> A priority can be specified via an integer. This should usually be
 <TT
><A HREF="System-Glib-MainLoop.html#v%3ApriorityDefaultIdle"
>priorityDefaultIdle</A
></TT
>.
</LI
><LI
> If the function returns <TT
>False</TT
> it will be removed.
</LI
></UL
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:idleRemove"
><A NAME="v%3AidleRemove"
></A
></A
><B
>idleRemove</B
> :: <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
> -&gt; <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
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#idleRemove"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Remove a previously added idle handler by its <TT
><A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TT
>.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:IOCondition"
><A NAME="t%3AIOCondition"
></A
></A
><B
>IOCondition</B
>  </TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#IOCondition"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
><P
>Flags representing a condition to watch for on a file descriptor.
</P
><DL
><DT
><TT
>IOIn</TT
></DT
><DD
> There is data to read.
 [<TT
>IOOut</TT
>] Data can be written (without blocking).
 [<TT
>IOPri</TT
>] There is urgent data to read.
 [<TT
>IOErr</TT
>] Error condition.
 [<TT
>IOHup</TT
>] Hung up (the connection has been broken, usually for
 pipes and sockets).
 [<TT
>IOInvalid</TT
>] Invalid request. The file descriptor is not open.
</DD
></DL
></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:IOIn"
><A NAME="v%3AIOIn"
></A
></A
><B
>IOIn</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:IOOut"
><A NAME="v%3AIOOut"
></A
></A
><B
>IOOut</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:IOPri"
><A NAME="v%3AIOPri"
></A
></A
><B
>IOPri</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:IOErr"
><A NAME="v%3AIOErr"
></A
></A
><B
>IOErr</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:IOHup"
><A NAME="v%3AIOHup"
></A
></A
><B
>IOHup</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:IOInvalid"
><A NAME="v%3AIOInvalid"
></A
></A
><B
>IOInvalid</B
></TD
><TD CLASS="rdoc"
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:IOCondition')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:IOCondition" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ABounded"
>Bounded</A
> <A HREF="System-Glib-MainLoop.html#t%3AIOCondition"
>IOCondition</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AEnum"
>Enum</A
> <A HREF="System-Glib-MainLoop.html#t%3AIOCondition"
>IOCondition</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq"
>Eq</A
> <A HREF="System-Glib-MainLoop.html#t%3AIOCondition"
>IOCondition</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="System-Glib-Flags.html#t%3AFlags"
>Flags</A
> <A HREF="System-Glib-MainLoop.html#t%3AIOCondition"
>IOCondition</A
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:inputAdd"
><A NAME="v%3AinputAdd"
></A
></A
><B
>inputAdd</B
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#inputAdd"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="arg"
>:: FD</TD
><TD CLASS="rdoc"
>a file descriptor
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; [<A HREF="System-Glib-MainLoop.html#t%3AIOCondition"
>IOCondition</A
>]</TD
><TD CLASS="rdoc"
>the condition to watch for
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
></TD
><TD CLASS="rdoc"
>the priority of the event source
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
></TD
><TD CLASS="rdoc"
>the function to call when the condition is satisfied.
 The function should return False if the event source
 should be removed.
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
><TD CLASS="rdoc"
>the event source id
</TD
></TR
><TR
><TD CLASS="ndoc" COLSPAN="2"
>Adds the file descriptor into the main event loop with the given priority.
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:inputRemove"
><A NAME="v%3AinputRemove"
></A
></A
><B
>inputRemove</B
> :: <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
> -&gt; <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
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#inputRemove"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><SPAN CLASS="keyword"
>type</SPAN
> <A NAME="t:Priority"
><A NAME="t%3APriority"
></A
></A
><B
>Priority</B
> = <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#Priority"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Priorities for installing callbacks.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:priorityLow"
><A NAME="v%3ApriorityLow"
></A
></A
><B
>priorityLow</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#priorityLow"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:priorityDefaultIdle"
><A NAME="v%3ApriorityDefaultIdle"
></A
></A
><B
>priorityDefaultIdle</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#priorityDefaultIdle"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:priorityHighIdle"
><A NAME="v%3ApriorityHighIdle"
></A
></A
><B
>priorityHighIdle</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#priorityHighIdle"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:priorityDefault"
><A NAME="v%3ApriorityDefault"
></A
></A
><B
>priorityDefault</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#priorityDefault"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:priorityHigh"
><A NAME="v%3ApriorityHigh"
></A
></A
><B
>priorityHigh</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#priorityHigh"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:MainLoop"
><A NAME="t%3AMainLoop"
></A
></A
><B
>MainLoop</B
>  </TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#MainLoop"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>A main event loop abstraction.
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:mainLoopNew"
><A NAME="v%3AmainLoopNew"
></A
></A
><B
>mainLoopNew</B
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#mainLoopNew"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="arg"
>:: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
></TD
><TD CLASS="rdoc"
><TT
>context</TT
> - the context to use, or <TT
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#v%3ANothing"
>Nothing</A
></TT
> to use the default context
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
></TD
><TD CLASS="rdoc"
><TT
>isRunning</TT
> - <TT
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#v%3ATrue"
>True</A
></TT
> to indicate that the loop is running; <TT
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#v%3AFalse"
>False</A
></TT
> otherwise
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
></TD
><TD CLASS="rdoc"
>the new <TT
><A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
></TT
>
</TD
></TR
><TR
><TD CLASS="ndoc" COLSPAN="2"
>Create a new <TT
><A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
></TT
>.
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:mainLoopRun"
><A NAME="v%3AmainLoopRun"
></A
></A
><B
>mainLoopRun</B
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
> -&gt; <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
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#mainLoopRun"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Runs a main loop until <TT
><A HREF="System-Glib-MainLoop.html#v%3AmainLoopQuit"
>mainLoopQuit</A
></TT
> is called on the
 loop. If this is called for the thread of the loop's
 <TT
><A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
></TT
>, it will process events from the loop, otherwise it
 will simply wait.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:mainLoopQuit"
><A NAME="v%3AmainLoopQuit"
></A
></A
><B
>mainLoopQuit</B
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
> -&gt; <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
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#mainLoopQuit"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Stops a <TT
><A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
></TT
> from running. Any calls to mainLoopRun for the
 loop will return.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:mainLoopIsRunning"
><A NAME="v%3AmainLoopIsRunning"
></A
></A
><B
>mainLoopIsRunning</B
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainLoop"
>MainLoop</A
> -&gt; <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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#mainLoopIsRunning"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Checks to see if the main loop is currently being run via mainLoopRun.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:MainContext"
><A NAME="t%3AMainContext"
></A
></A
><B
>MainContext</B
>  </TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#MainContext"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>An opaque datatype representing a set of sources to be handled in
 a main loop.
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:mainContextNew"
><A NAME="v%3AmainContextNew"
></A
></A
><B
>mainContextNew</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#mainContextNew"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Creates a new <TT
><A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
></TT
>.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:mainContextDefault"
><A NAME="v%3AmainContextDefault"
></A
></A
><B
>mainContextDefault</B
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#mainContextDefault"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>The default <TT
><A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
></TT
>. This is the main context used for main
 loop functions when a main loop is not explicitly specified.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:mainContextIteration"
><A NAME="v%3AmainContextIteration"
></A
></A
><B
>mainContextIteration</B
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
> -&gt; <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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#mainContextIteration"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Runs a single iteration for the given main loop. This involves
 checking to see if any event sources are ready to be processed,
 then if no events sources are ready and <TT
>mayBlock</TT
> is <TT
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#v%3ATrue"
>True</A
></TT
>,
 waiting for a source to become ready, then dispatching the
 highest priority events sources that are ready. Note that even
 when <TT
>mayBlock</TT
> is <TT
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#v%3ATrue"
>True</A
></TT
>, it is still possible for
 <TT
><A HREF="System-Glib-MainLoop.html#v%3AmainContextIteration"
>mainContextIteration</A
></TT
> to return (0), since the the wait
 may be interrupted for other reasons than an event source
 becoming ready.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:mainContextFindSourceById"
><A NAME="v%3AmainContextFindSourceById"
></A
></A
><B
>mainContextFindSourceById</B
> :: <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#mainContextFindSourceById"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><SPAN CLASS="keyword"
>newtype</SPAN
>  <A NAME="t:Source"
><A NAME="t%3ASource"
></A
></A
><B
>Source</B
>  </TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#Source"
>Source</A
></TD
></TR
></TABLE
></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:Source"
><A NAME="v%3ASource"
></A
></A
><B
>Source</B
> (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Foreign-ForeignPtr.html#t%3AForeignPtr"
>ForeignPtr</A
> <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
>)</TD
><TD CLASS="rdoc"
></TD
></TR
></TABLE
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:sourceAttach"
><A NAME="v%3AsourceAttach"
></A
></A
><B
>sourceAttach</B
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3AMainContext"
>MainContext</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3AHandlerId"
>HandlerId</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#sourceAttach"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:sourceSetPriority"
><A NAME="v%3AsourceSetPriority"
></A
></A
><B
>sourceSetPriority</B
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
> -&gt; <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
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#sourceSetPriority"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:sourceGetPriority"
><A NAME="v%3AsourceGetPriority"
></A
></A
><B
>sourceGetPriority</B
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="System-Glib-MainLoop.html#t%3APriority"
>Priority</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#sourceGetPriority"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:sourceDestroy"
><A NAME="v%3AsourceDestroy"
></A
></A
><B
>sourceDestroy</B
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <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
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#sourceDestroy"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:sourceIsDestroyed"
><A NAME="v%3AsourceIsDestroyed"
></A
></A
><B
>sourceIsDestroyed</B
> :: <A HREF="System-Glib-MainLoop.html#t%3ASource"
>Source</A
> -&gt; <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/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
></TD
><TD CLASS="declbut"
><A HREF="src/System-Glib-MainLoop.html#sourceIsDestroyed"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="botbar"
>Produced by <A HREF="http://www.haskell.org/haddock/"
>Haddock</A
> version 2.6.1</TD
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