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/* -----------------------------------------------------------------------------
*
* (c) The GHC Team, 1998-2004
*
* Top-level include file for the RTS itself
*
* ---------------------------------------------------------------------------*/
#ifndef RTS_H
#define RTS_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef IN_STG_CODE
#define IN_STG_CODE 0
#endif
#include "Stg.h"
#include "RtsTypes.h"
#if __GNUC__ >= 3
/* Assume that a flexible array member at the end of a struct
* can be defined thus: T arr[]; */
#define FLEXIBLE_ARRAY
#else
/* Assume that it must be defined thus: T arr[0]; */
#define FLEXIBLE_ARRAY 0
#endif
#if defined(SMP) || defined(THREADED_RTS)
#define RTS_SUPPORTS_THREADS 1
#endif
/* Fix for mingw stat problem (done here so it's early enough) */
#ifdef mingw32_HOST_OS
#define __MSVCRT__ 1
#endif
/*
* We often want to know the size of something in units of an
* StgWord... (rounded up, of course!)
*/
#define sizeofW(t) ((sizeof(t)+sizeof(W_)-1)/sizeof(W_))
/*
* It's nice to be able to grep for casts
*/
#define stgCast(ty,e) ((ty)(e))
/* -----------------------------------------------------------------------------
Assertions and Debuggery
-------------------------------------------------------------------------- */
#ifndef DEBUG
#define ASSERT(predicate) /* nothing */
#else
extern void _assertFail (char *, unsigned int);
#define ASSERT(predicate) \
if (predicate) \
/*null*/; \
else \
_assertFail(__FILE__, __LINE__)
#endif /* DEBUG */
/*
* Use this on the RHS of macros which expand to nothing
* to make sure that the macro can be used in a context which
* demands a non-empty statement.
*/
#define doNothing() do { } while (0)
/* -----------------------------------------------------------------------------
Include everything STG-ish
-------------------------------------------------------------------------- */
/* System headers: stdlib.h is eeded so that we can use NULL. It must
* come after MachRegs.h, because stdlib.h might define some inline
* functions which may only be defined after register variables have
* been declared.
*/
#include <stdlib.h>
/* Global constaints */
#include "Constants.h"
/* Profiling information */
#include "StgProf.h"
#include "StgLdvProf.h"
/* Storage format definitions */
#include "StgFun.h"
#include "Closures.h"
#include "Liveness.h"
#include "ClosureTypes.h"
#include "InfoTables.h"
#include "TSO.h"
/* Info tables, closures & code fragments defined in the RTS */
#include "StgMiscClosures.h"
/* Simulated-parallel information */
#include "GranSim.h"
/* Parallel information */
#include "Parallel.h"
/* STG/Optimised-C related stuff */
#include "SMP.h"
#include "Block.h"
#ifdef SMP
#include <pthread.h>
#endif
/* GNU mp library */
#include "gmp.h"
/* Macros for STG/C code */
#include "ClosureMacros.h"
#include "StgTicky.h"
#include "Stable.h"
/* Runtime-system hooks */
#include "Hooks.h"
#include "RtsMessages.h"
#include "ieee-flpt.h"
#include "Signals.h"
/* Misc stuff without a home */
DLL_IMPORT_RTS extern char **prog_argv; /* so we can get at these from Haskell */
DLL_IMPORT_RTS extern int prog_argc;
DLL_IMPORT_RTS extern char *prog_name;
extern void stackOverflow(void);
extern void __decodeDouble (MP_INT *man, I_ *_exp, StgDouble dbl);
extern void __decodeFloat (MP_INT *man, I_ *_exp, StgFloat flt);
#if defined(WANT_DOTNET_SUPPORT)
#include "DNInvoke.h"
#endif
/* Initialising the whole adjustor thunk machinery. */
extern void initAdjustor(void);
extern void stg_exit(int n) GNU_ATTRIBUTE(__noreturn__);
/* -----------------------------------------------------------------------------
RTS Exit codes
-------------------------------------------------------------------------- */
/* 255 is allegedly used by dynamic linkers to report linking failure */
#define EXIT_INTERNAL_ERROR 254
#define EXIT_DEADLOCK 253
#define EXIT_INTERRUPTED 252
#define EXIT_HEAPOVERFLOW 251
#define EXIT_KILLED 250
/* -----------------------------------------------------------------------------
Miscellaneous garbage
-------------------------------------------------------------------------- */
/* declarations for runtime flags/values */
#define MAX_RTS_ARGS 32
/* -----------------------------------------------------------------------------
Assertions and Debuggery
-------------------------------------------------------------------------- */
#define IF_RTSFLAGS(c,s) if (RtsFlags.c) { s; }
/* -----------------------------------------------------------------------------
Assertions and Debuggery
-------------------------------------------------------------------------- */
#ifdef DEBUG
#define IF_DEBUG(c,s) if (RtsFlags.DebugFlags.c) { s; }
#else
#define IF_DEBUG(c,s) doNothing()
#endif
#ifdef DEBUG
#define DEBUG_ONLY(s) s
#else
#define DEBUG_ONLY(s) doNothing()
#endif
#if defined(GRAN) && defined(DEBUG)
#define IF_GRAN_DEBUG(c,s) if (RtsFlags.GranFlags.Debug.c) { s; }
#else
#define IF_GRAN_DEBUG(c,s) doNothing()
#endif
#if defined(PAR) && defined(DEBUG)
#define IF_PAR_DEBUG(c,s) if (RtsFlags.ParFlags.Debug.c) { s; }
#else
#define IF_PAR_DEBUG(c,s) doNothing()
#endif
/* -----------------------------------------------------------------------------
Useful macros and inline functions
-------------------------------------------------------------------------- */
#if defined(__GNUC__)
#define SUPPORTS_TYPEOF
#endif
#if defined(SUPPORTS_TYPEOF)
#define stg_min(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _a : _b; })
#define stg_max(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _b : _a; })
#else
#define stg_min(a,b) ((a) <= (b) ? (a) : (b))
#define stg_max(a,b) ((a) <= (b) ? (b) : (a))
#endif
/* -------------------------------------------------------------------------- */
#ifdef __cplusplus
}
#endif
#endif /* RTS_H */
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