X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fincludes%2FRtsAPI.h;h=f554b96061c7143ef8f649fbe90e6977f726531a;hb=423d477bfecd490de1449c59325c8776f91d7aac;hp=b3ea1d622b7fc48376f9d3bd7aae7fbf96c1b42b;hpb=20fc2f0ced64a12d8e44956931b2ac341ed2186f;p=ghc-hetmet.git diff --git a/ghc/includes/RtsAPI.h b/ghc/includes/RtsAPI.h index b3ea1d6..f554b96 100644 --- a/ghc/includes/RtsAPI.h +++ b/ghc/includes/RtsAPI.h @@ -1,7 +1,6 @@ /* ---------------------------------------------------------------------------- - * $Id: RtsAPI.h,v 1.21 2001/03/22 03:51:09 hwloidl Exp $ * - * (c) The GHC Team, 1998-1999 + * (c) The GHC Team, 1998-2004 * * API for invoking Haskell functions via the RTS * @@ -10,6 +9,10 @@ #ifndef RTSAPI_H #define RTSAPI_H +#ifdef __cplusplus +extern "C" { +#endif + #include "HsFFI.h" /* @@ -19,8 +22,7 @@ typedef enum { NoStatus, /* not finished yet */ Success, /* completed successfully */ Killed, /* uncaught exception */ - Interrupted, /* stopped in response to a call to interruptStgRts */ - Deadlock /* no threads to run, but main thread hasn't finished */ + Interrupted /* stopped in response to a call to interruptStgRts */ } SchedulerStatus; typedef StgClosure *HaskellObj; @@ -32,8 +34,22 @@ 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[] ); +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. @@ -50,6 +66,7 @@ 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 ); @@ -58,30 +75,33 @@ HaskellObj rts_mkString ( char *s ); HaskellObj rts_apply ( HaskellObj, HaskellObj ); -/* DEPRECATED (use rts_mkPtr): */ -HaskellObj rts_mkAddr ( HsAddr a ); - /* ---------------------------------------------------------------------------- Deconstructing Haskell objects ------------------------------------------------------------------------- */ 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 ); -/* DEPRECATED (use rts_getPtr): */ -HsAddr rts_getAddr ( 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 ); @@ -92,10 +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 */