X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fincludes%2FRtsAPI.h;h=f554b96061c7143ef8f649fbe90e6977f726531a;hb=03e2a10d05924ade9d9bfef230d3dc3502e5c762;hp=33da457de74866b18d7a037fdadcc88910c572a5;hpb=d1a47b329fd21ab5a7db1dbe47959a874e8648e6;p=ghc-hetmet.git

diff --git a/ghc/includes/RtsAPI.h b/ghc/includes/RtsAPI.h
index 33da457..f554b96 100644
--- a/ghc/includes/RtsAPI.h
+++ b/ghc/includes/RtsAPI.h
@@ -1,7 +1,6 @@
 /* ----------------------------------------------------------------------------
- * $Id: RtsAPI.h,v 1.6 1999/07/03 18:39:41 sof Exp $
  *
- * (c) The GHC Team, 1998-1999
+ * (c) The GHC Team, 1998-2004
  *
  * API for invoking Haskell functions via the RTS
  *
@@ -10,58 +9,99 @@
 #ifndef RTSAPI_H
 #define RTSAPI_H
 
-#include "SchedAPI.h"  /* for SchedulerStatus */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "HsFFI.h"
+
+/*
+ * Running the scheduler
+ */
+typedef enum {
+    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 getProgArgv            ( int *argc, char **argv[] );
+extern void setProgArgv            ( int argc, char *argv[] );
+
+
+/* ----------------------------------------------------------------------------
+   Locking.
+   
+   In a multithreaded environments, you have to surround all access to the
+   RtsAPI with these calls.
+   ------------------------------------------------------------------------- */
+   
+void
+rts_lock ( void );
+
+void
+rts_unlock ( void );
 
 /* ----------------------------------------------------------------------------
    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_mkFunPtr     ( HsFunPtr 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 );
+HsFunPtr     rts_getFunPtr    ( HaskellObj );
+HsFloat      rts_getFloat     ( HaskellObj );
+HsDouble     rts_getDouble    ( HaskellObj );
+HsStablePtr  rts_getStablePtr ( HaskellObj );
+HsBool       rts_getBool      ( HaskellObj );
 
 /* ----------------------------------------------------------------------------
    Evaluating Haskell expressions
 
    The versions ending in '_' allow you to specify an initial stack size.
+   Note that these calls may cause Garbage Collection, so all HaskellObj
+   references are rendered invalid by these calls.
    ------------------------------------------------------------------------- */
 SchedulerStatus 
 rts_eval ( HaskellObj p, /*out*/HaskellObj *ret );
@@ -72,10 +112,33 @@ rts_eval_ ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
 SchedulerStatus 
 rts_evalIO ( HaskellObj p, /*out*/HaskellObj *ret );
 
+SchedulerStatus
+rts_evalStableIO ( HsStablePtr s, /*out*/HsStablePtr *ret );
+
+SchedulerStatus 
+rts_evalLazyIO ( HaskellObj p, /*out*/HaskellObj *ret );
+
 SchedulerStatus 
-rts_evalLazyIO ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
+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 StgWord GHCziTopHandler_runIO_closure[];
+extern StgWord GHCziTopHandler_runNonIO_closure[];
+#define runIO_closure		  GHCziTopHandler_runIO_closure
+#define runNonIO_closure	  GHCziTopHandler_runNonIO_closure
+
+/* ------------------------------------------------------------------------ */
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* RTSAPI_H */