[project @ 2002-10-02 09:08:44 by wolfgang]

[ghc-hetmet.git] / ghc / includes / RtsAPI.h

diff --git a/ghc/includes/RtsAPI.h b/ghc/includes/RtsAPI.h
index 0e7883d..cf07923 100644 (file)
--- a/ghc/includes/RtsAPI.h
+++ b/ghc/includes/RtsAPI.h
@@ -1,5 +1,5 @@
 /* ----------------------------------------------------------------------------
- * $Id: RtsAPI.h,v 1.7 1999/07/06 09:42:39 sof Exp $
+ * $Id: RtsAPI.h,v 1.30 2002/09/05 08:58:55 simonmar Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -10,62 +10,76 @@
 #ifndef RTSAPI_H
 #define RTSAPI_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "HsFFI.h"
+
 /*
  * Running the scheduler
  */
 typedef enum {
-    Success,      
-    Killed,     /* another thread killed us                           */
-    Interrupted, /* stopped in response to a call to interruptStgRts   */
-    Deadlock,   
-    AllBlocked,  /* subtly different from Deadlock                     */
+    NoStatus,    /* not finished yet */
+    Success,    /* completed successfully */
+    Killed,     /* uncaught exception */
+    Interrupted  /* stopped in response to a call to interruptStgRts */
 } SchedulerStatus;
-      
+
 typedef StgClosure *HaskellObj;
 
 /* ----------------------------------------------------------------------------
    Starting up and shutting down the Haskell RTS.
    ------------------------------------------------------------------------- */
-extern void startupHaskell  ( int argc, char *argv[] );
-extern void shutdownHaskell ( void );
+extern void startupHaskell         ( int argc, char *argv[], 
+                                    void (*init_root)(void) );
+extern void shutdownHaskell        ( void );
 extern void shutdownHaskellAndExit ( int exitCode );
+extern void setProgArgv            ( int argc, char *argv[] );
+extern void getProgArgv            ( int *argc, char **argv[] );
 
 /* ----------------------------------------------------------------------------
    Building Haskell objects from C datatypes.
    ------------------------------------------------------------------------- */
-HaskellObj   rts_mkChar       ( char c );
-HaskellObj   rts_mkInt        ( int i );
-HaskellObj   rts_mkInt8       ( int i );
-HaskellObj   rts_mkInt16      ( int i );
-HaskellObj   rts_mkInt32      ( int i );
-HaskellObj   rts_mkInt64      ( long long i );
-HaskellObj   rts_mkWord       ( unsigned int w );
-HaskellObj   rts_mkWord8      ( unsigned int w );
-HaskellObj   rts_mkWord16     ( unsigned int w );
-HaskellObj   rts_mkWord32     ( unsigned int w );
-HaskellObj   rts_mkWord64     ( unsigned long long w );
-HaskellObj   rts_mkFloat      ( float f );
-HaskellObj   rts_mkDouble     ( double f );
-HaskellObj   rts_mkStablePtr  ( StgStablePtr s );
-HaskellObj   rts_mkAddr       ( void *a );
-HaskellObj   rts_mkBool       ( int b );
-HaskellObj   rts_mkString     ( char *s );
+HaskellObj   rts_mkChar       ( HsChar   c );
+HaskellObj   rts_mkInt        ( HsInt    i );
+HaskellObj   rts_mkInt8       ( HsInt8   i );
+HaskellObj   rts_mkInt16      ( HsInt16  i );
+HaskellObj   rts_mkInt32      ( HsInt32  i );
+HaskellObj   rts_mkInt64      ( HsInt64  i );
+HaskellObj   rts_mkWord       ( HsWord   w );
+HaskellObj   rts_mkWord8      ( HsWord8  w );
+HaskellObj   rts_mkWord16     ( HsWord16 w );
+HaskellObj   rts_mkWord32     ( HsWord32 w );
+HaskellObj   rts_mkWord64     ( HsWord64 w );
+HaskellObj   rts_mkPtr        ( HsPtr    a );
+HaskellObj   rts_mkFloat      ( HsFloat  f );
+HaskellObj   rts_mkDouble     ( HsDouble f );
+HaskellObj   rts_mkStablePtr  ( HsStablePtr s );
+HaskellObj   rts_mkBool       ( HsBool   b );
+HaskellObj   rts_mkString     ( char    *s );
 
 HaskellObj   rts_apply        ( HaskellObj, HaskellObj );
 
 /* ----------------------------------------------------------------------------
    Deconstructing Haskell objects
    ------------------------------------------------------------------------- */
-char         rts_getChar      ( HaskellObj );
-int          rts_getInt       ( HaskellObj );
-int          rts_getInt32     ( HaskellObj );
-unsigned int rts_getWord      ( HaskellObj );
-unsigned int rts_getWord32    ( HaskellObj );
-float        rts_getFloat     ( HaskellObj );
-double       rts_getDouble    ( HaskellObj );
-StgStablePtr rts_getStablePtr ( HaskellObj );
-void *       rts_getAddr      ( HaskellObj );
-int          rts_getBool      ( HaskellObj );
+HsChar       rts_getChar      ( HaskellObj );
+HsInt        rts_getInt       ( HaskellObj );
+HsInt8       rts_getInt8      ( HaskellObj );
+HsInt16      rts_getInt16     ( HaskellObj );
+HsInt32      rts_getInt32     ( HaskellObj );
+HsInt64      rts_getInt64     ( HaskellObj );
+HsWord       rts_getWord      ( HaskellObj );
+HsWord8      rts_getWord8     ( HaskellObj );
+HsWord16     rts_getWord16    ( HaskellObj );
+HsWord32     rts_getWord32    ( HaskellObj );
+HsWord64     rts_getWord64    ( HaskellObj );
+HsPtr        rts_getPtr       ( HaskellObj );
+HsFloat      rts_getFloat     ( HaskellObj );
+HsDouble     rts_getDouble    ( HaskellObj );
+HsStablePtr  rts_getStablePtr ( HaskellObj );
+HsBool       rts_getBool      ( HaskellObj );
 
 /* ----------------------------------------------------------------------------
    Evaluating Haskell expressions
@@ -81,10 +95,36 @@ rts_eval_ ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
 SchedulerStatus 
 rts_evalIO ( HaskellObj p, /*out*/HaskellObj *ret );
 
+#if defined(COMPILING_RTS_MAIN)
+/* Used by the RTS' main() only */
+SchedulerStatus 
+rts_mainEvalIO ( HaskellObj p, /*out*/HaskellObj *ret );
+#endif
+
+SchedulerStatus
+rts_evalStableIO ( HsStablePtr s, /*out*/HsStablePtr *ret );
+
 SchedulerStatus 
 rts_evalLazyIO ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
 
 void
 rts_checkSchedStatus ( char* site, SchedulerStatus rc);
 
+/* --------------------------------------------------------------------------
+   Wrapper closures
+
+   These are used by foreign export and foreign import "wrapper" stubs.
+   ----------------------------------------------------------------------- */
+
+extern StgClosure GHCziTopHandler_runIO_closure;
+extern StgClosure GHCziTopHandler_runNonIO_closure;
+#define runIO_closure            (&GHCziTopHandler_runIO_closure)
+#define runNonIO_closure         (&GHCziTopHandler_runNonIO_closure)
+
+/* ------------------------------------------------------------------------ */
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* RTSAPI_H */