1 /* ----------------------------------------------------------------------------
2 * $Id: RtsAPI.h,v 1.15 2000/06/27 09:18:04 sewardj Exp $
4 * (c) The GHC Team, 1998-1999
6 * API for invoking Haskell functions via the RTS
8 * --------------------------------------------------------------------------*/
14 * Running the scheduler
17 NoStatus, /* not finished yet */
18 Success, /* completed successfully */
19 Killed, /* uncaught exception */
20 Interrupted, /* stopped in response to a call to interruptStgRts */
21 Deadlock /* no threads to run, but main thread hasn't finished */
24 typedef StgClosure *HaskellObj;
27 /* Make this compilable with Visual C++. We can't just use StgInt64 here,
28 because this file should be compilable without reference to the rest
32 typedef __int64 int64;
33 typedef unsigned __int64 nat64;
35 typedef long long int64;
36 typedef unsigned long long nat64;
39 /* ----------------------------------------------------------------------------
40 Starting up and shutting down the Haskell RTS.
41 ------------------------------------------------------------------------- */
42 extern void startupHaskell ( int argc, char *argv[], void *init_root );
43 extern void shutdownHaskell ( void );
44 extern void shutdownHaskellAndExit ( int exitCode );
45 extern void setProgArgv ( int argc, char *argv[] );
46 extern void getProgArgv ( int *argc, char **argv[] );
48 /* ----------------------------------------------------------------------------
49 Building Haskell objects from C datatypes.
50 ------------------------------------------------------------------------- */
51 HaskellObj rts_mkChar ( char c );
52 HaskellObj rts_mkInt ( int i );
53 HaskellObj rts_mkInt8 ( int i );
54 HaskellObj rts_mkInt16 ( int i );
55 HaskellObj rts_mkInt32 ( int i );
56 HaskellObj rts_mkWord ( unsigned int w );
57 HaskellObj rts_mkWord8 ( unsigned int w );
58 HaskellObj rts_mkWord16 ( unsigned int w );
59 HaskellObj rts_mkWord32 ( unsigned int w );
60 HaskellObj rts_mkInt64 ( int64 i );
61 HaskellObj rts_mkWord64 ( nat64 w );
62 HaskellObj rts_mkFloat ( float f );
63 HaskellObj rts_mkDouble ( double f );
64 HaskellObj rts_mkStablePtr ( StgStablePtr s );
65 HaskellObj rts_mkAddr ( void *a );
66 HaskellObj rts_mkBool ( int b );
67 HaskellObj rts_mkString ( char *s );
69 HaskellObj rts_apply ( HaskellObj, HaskellObj );
71 /* ----------------------------------------------------------------------------
72 Deconstructing Haskell objects
73 ------------------------------------------------------------------------- */
74 char rts_getChar ( HaskellObj );
75 int rts_getInt ( HaskellObj );
76 int rts_getInt32 ( HaskellObj );
77 unsigned int rts_getWord ( HaskellObj );
78 unsigned int rts_getWord32 ( HaskellObj );
79 float rts_getFloat ( HaskellObj );
80 double rts_getDouble ( HaskellObj );
81 StgStablePtr rts_getStablePtr ( HaskellObj );
82 void * rts_getAddr ( HaskellObj );
83 int rts_getBool ( HaskellObj );
85 /* ----------------------------------------------------------------------------
86 Evaluating Haskell expressions
88 The versions ending in '_' allow you to specify an initial stack size.
89 ------------------------------------------------------------------------- */
91 rts_eval ( HaskellObj p, /*out*/HaskellObj *ret );
94 rts_eval_ ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
97 rts_evalIO ( HaskellObj p, /*out*/HaskellObj *ret );
100 rts_evalLazyIO ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
102 #if defined(PAR) || defined(SMP)
104 rts_evalNothing(unsigned int stack_size);
108 rts_checkSchedStatus ( char* site, SchedulerStatus rc);
110 #endif /* RTSAPI_H */