1 /* ----------------------------------------------------------------------------
2 * $Id: RtsAPI.h,v 1.14 2000/06/15 13:16:16 daan Exp $
4 * (c) The GHC Team, 1998-1999
6 * API for invoking Haskell functions via the RTS
8 * --------------------------------------------------------------------------*/
13 /* Make this compilable with Visual C++ */
17 typedef __int64 int64;
18 typedef unsigned __int64 nat64;
20 typedef long long int64;
21 typedef unsigned long long nat64;
26 * Running the scheduler
29 NoStatus, /* not finished yet */
30 Success, /* completed successfully */
31 Killed, /* uncaught exception */
32 Interrupted, /* stopped in response to a call to interruptStgRts */
33 Deadlock /* no threads to run, but main thread hasn't finished */
36 typedef StgClosure *HaskellObj;
38 /* ----------------------------------------------------------------------------
39 Starting up and shutting down the Haskell RTS.
40 ------------------------------------------------------------------------- */
41 extern void startupHaskell ( int argc, char *argv[], void *init_root );
42 extern void shutdownHaskell ( void );
43 extern void shutdownHaskellAndExit ( int exitCode );
44 extern void setProgArgv ( int argc, char *argv[] );
45 extern void getProgArgv ( int *argc, char **argv[] );
47 /* ----------------------------------------------------------------------------
48 Building Haskell objects from C datatypes.
49 ------------------------------------------------------------------------- */
50 HaskellObj rts_mkChar ( char c );
51 HaskellObj rts_mkInt ( int i );
52 HaskellObj rts_mkInt8 ( int i );
53 HaskellObj rts_mkInt16 ( int i );
54 HaskellObj rts_mkInt32 ( int i );
55 HaskellObj rts_mkInt64 ( int64 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_mkWord64 ( nat64 w );
61 HaskellObj rts_mkFloat ( float f );
62 HaskellObj rts_mkDouble ( double f );
63 HaskellObj rts_mkStablePtr ( StgStablePtr s );
64 HaskellObj rts_mkAddr ( void *a );
65 HaskellObj rts_mkBool ( int b );
66 HaskellObj rts_mkString ( char *s );
68 HaskellObj rts_apply ( HaskellObj, HaskellObj );
70 /* ----------------------------------------------------------------------------
71 Deconstructing Haskell objects
72 ------------------------------------------------------------------------- */
73 char rts_getChar ( HaskellObj );
74 int rts_getInt ( HaskellObj );
75 int rts_getInt32 ( HaskellObj );
76 unsigned int rts_getWord ( HaskellObj );
77 unsigned int rts_getWord32 ( HaskellObj );
78 float rts_getFloat ( HaskellObj );
79 double rts_getDouble ( HaskellObj );
80 StgStablePtr rts_getStablePtr ( HaskellObj );
81 void * rts_getAddr ( HaskellObj );
82 int rts_getBool ( HaskellObj );
84 /* ----------------------------------------------------------------------------
85 Evaluating Haskell expressions
87 The versions ending in '_' allow you to specify an initial stack size.
88 ------------------------------------------------------------------------- */
90 rts_eval ( HaskellObj p, /*out*/HaskellObj *ret );
93 rts_eval_ ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
96 rts_evalIO ( HaskellObj p, /*out*/HaskellObj *ret );
99 rts_evalLazyIO ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
101 #if defined(PAR) || defined(SMP)
103 rts_evalNothing(unsigned int stack_size);
107 rts_checkSchedStatus ( char* site, SchedulerStatus rc);
109 #endif /* RTSAPI_H */