1 /* ----------------------------------------------------------------------------
2 * $Id: RtsAPI.h,v 1.21 2001/03/22 03:51:09 hwloidl Exp $
4 * (c) The GHC Team, 1998-1999
6 * API for invoking Haskell functions via the RTS
8 * --------------------------------------------------------------------------*/
16 * Running the scheduler
19 NoStatus, /* not finished yet */
20 Success, /* completed successfully */
21 Killed, /* uncaught exception */
22 Interrupted, /* stopped in response to a call to interruptStgRts */
23 Deadlock /* no threads to run, but main thread hasn't finished */
26 typedef StgClosure *HaskellObj;
28 /* ----------------------------------------------------------------------------
29 Starting up and shutting down the Haskell RTS.
30 ------------------------------------------------------------------------- */
31 extern void startupHaskell ( int argc, char *argv[],
32 void (*init_root)(void) );
33 extern void shutdownHaskell ( void );
34 extern void shutdownHaskellAndExit ( int exitCode );
35 extern void setProgArgv ( int argc, char *argv[] );
36 extern void getProgArgv ( int *argc, char **argv[] );
38 /* ----------------------------------------------------------------------------
39 Building Haskell objects from C datatypes.
40 ------------------------------------------------------------------------- */
41 HaskellObj rts_mkChar ( HsChar c );
42 HaskellObj rts_mkInt ( HsInt i );
43 HaskellObj rts_mkInt8 ( HsInt8 i );
44 HaskellObj rts_mkInt16 ( HsInt16 i );
45 HaskellObj rts_mkInt32 ( HsInt32 i );
46 HaskellObj rts_mkInt64 ( HsInt64 i );
47 HaskellObj rts_mkWord ( HsWord w );
48 HaskellObj rts_mkWord8 ( HsWord8 w );
49 HaskellObj rts_mkWord16 ( HsWord16 w );
50 HaskellObj rts_mkWord32 ( HsWord32 w );
51 HaskellObj rts_mkWord64 ( HsWord64 w );
52 HaskellObj rts_mkPtr ( HsPtr a );
53 HaskellObj rts_mkFloat ( HsFloat f );
54 HaskellObj rts_mkDouble ( HsDouble f );
55 HaskellObj rts_mkStablePtr ( HsStablePtr s );
56 HaskellObj rts_mkBool ( HsBool b );
57 HaskellObj rts_mkString ( char *s );
59 HaskellObj rts_apply ( HaskellObj, HaskellObj );
61 /* DEPRECATED (use rts_mkPtr): */
62 HaskellObj rts_mkAddr ( HsAddr a );
64 /* ----------------------------------------------------------------------------
65 Deconstructing Haskell objects
66 ------------------------------------------------------------------------- */
67 HsChar rts_getChar ( HaskellObj );
68 HsInt rts_getInt ( HaskellObj );
69 HsInt32 rts_getInt32 ( HaskellObj );
70 HsWord rts_getWord ( HaskellObj );
71 HsWord32 rts_getWord32 ( HaskellObj );
72 HsPtr rts_getPtr ( HaskellObj );
73 HsFloat rts_getFloat ( HaskellObj );
74 HsDouble rts_getDouble ( HaskellObj );
75 HsStablePtr rts_getStablePtr ( HaskellObj );
76 HsBool rts_getBool ( HaskellObj );
78 /* DEPRECATED (use rts_getPtr): */
79 HsAddr rts_getAddr ( HaskellObj );
81 /* ----------------------------------------------------------------------------
82 Evaluating Haskell expressions
84 The versions ending in '_' allow you to specify an initial stack size.
85 ------------------------------------------------------------------------- */
87 rts_eval ( HaskellObj p, /*out*/HaskellObj *ret );
90 rts_eval_ ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
93 rts_evalIO ( HaskellObj p, /*out*/HaskellObj *ret );
96 rts_evalLazyIO ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
99 rts_checkSchedStatus ( char* site, SchedulerStatus rc);
101 #endif /* RTSAPI_H */