[project @ 2004-11-18 09:56:07 by tharris]

[ghc-hetmet.git] / ghc / compiler / prelude / primops.txt.pp

diff --git a/ghc/compiler/prelude/primops.txt.pp b/ghc/compiler/prelude/primops.txt.pp
index 4d7d4d9..04a7885 100644 (file)
--- a/ghc/compiler/prelude/primops.txt.pp
+++ b/ghc/compiler/prelude/primops.txt.pp
@@ -1,5 +1,5 @@
 -----------------------------------------------------------------------
--- $Id: primops.txt.pp,v 1.30 2003/10/01 10:57:39 wolfgang Exp $
+-- $Id: primops.txt.pp,v 1.31 2004/11/18 09:56:15 tharris Exp $
 --
 -- Primitive Operations
 --
@@ -1334,6 +1334,66 @@ primop  UnblockAsyncExceptionsOp "unblockAsyncExceptions#" GenPrimOp
    out_of_line = True
 
 ------------------------------------------------------------------------
+section "STM-accessible Mutable Variables"
+------------------------------------------------------------------------
+
+primop AtomicallyOp "atomically#" GenPrimOp
+      (State# RealWorld -> (# State# RealWorld, a #) )
+   -> State# RealWorld -> (# State# RealWorld, a #)
+   with
+   out_of_line = True
+   has_side_effects = True
+
+primop  RetryOp "retry#" GenPrimOp
+   State# RealWorld -> (# State# RealWorld, a #)
+   with 
+   out_of_line = True
+   has_side_effects = True
+
+primop  CatchRetryOp "catchRetry#" GenPrimOp
+      (State# RealWorld -> (# State# RealWorld, a #) )
+   -> (State# RealWorld -> (# State# RealWorld, a #) )
+   -> (State# RealWorld -> (# State# RealWorld, a #) )
+   with 
+   out_of_line = True
+   has_side_effects = True
+
+primop  CatchSTMOp "catchSTM#" GenPrimOp
+      (State# RealWorld -> (# State# RealWorld, a #) )
+   -> (b -> State# RealWorld -> (# State# RealWorld, a #) )
+   -> (State# RealWorld -> (# State# RealWorld, a #) )
+   with 
+   out_of_line = True
+   has_side_effects = True
+
+primop NewTVarOp "newTVar#" GenPrimOp
+       a
+    -> State# s -> (# State# s, TVar# s a #)
+   {Create a new Tar\# holding a specified initial value.}
+   with
+   out_of_line  = True
+
+primop ReadTVarOp "readTVar#" GenPrimOp
+       TVar# s a
+    -> State# s -> (# State# s, a #)
+   {Read contents of TVar\#.  Result is not yet evaluated.}
+   with
+   out_of_line = True
+
+primop WriteTVarOp "writeTVar#" GenPrimOp
+       TVar# s a
+    -> a
+    -> State# s -> State# s
+   {Write contents of TVar\#.}
+   with
+   out_of_line     = True
+   has_side_effects = True
+
+primop  SameTVarOp "sameTVar#" GenPrimOp
+   TVar# s a -> TVar# s a -> Bool
+
+
+------------------------------------------------------------------------
 section "Synchronized Mutable Variables"
        {Operations on MVar\#s, which are shared mutable variables
        ({\it not} the same as MutVar\#s!). (Note: in a non-concurrent implementation,