/* -----------------------------------------------------------------------------
- * $Id: Stg.h,v 1.17 1999/07/06 09:42:39 sof Exp $
+ * $Id: Stg.h,v 1.29 2000/04/14 15:10:20 sewardj Exp $
*
* (c) The GHC Team, 1998-1999
*
#define STG_H
#ifndef NON_POSIX_SOURCE
-#define _POSIX_SOURCE
+#define _POSIX_SOURCE 1
+#define _POSIX_C_SOURCE 199309L
+#define _ISOC9X_SOURCE
+#endif
+
+/* Let's be ISO C9X too... */
+
+/* If we include "Stg.h" directly, we're in STG code, and we therefore
+ * get all the global register variables, macros etc. that go along
+ * with that. If "Stg.h" is included via "Rts.h", we're assumed to
+ * be in vanilla C.
+ */
+#ifndef IN_STG_CODE
+# define IN_STG_CODE 1
+#endif
+
+#if IN_STG_CODE == 0
+# ifndef NO_REGS
+# define NO_REGS /* don't define fixed registers */
+# endif
#endif
/* Configuration */
* For now, do lazy and not eager.
*/
-#define LAZY_BLACKHOLING
-/* #define EAGER_BLACKHOLING */
-
-#ifdef TICKY_TICKY
-/* TICKY_TICKY needs EAGER_BLACKHOLING to verify no double-entries of single-entry thunks. */
-# undef LAZY_BLACKHOLING
-# define EAGER_BLACKHOLING
+/* TICKY_TICKY needs EAGER_BLACKHOLING to verify no double-entries of
+ * single-entry thunks.
+ *
+ * SMP needs EAGER_BLACKHOLING because it has to lock thunks
+ * synchronously, in case another thread is trying to evaluate the
+ * same thunk simultaneously.
+ */
+#if defined(SMP) || defined(TICKY_TICKY)
+# define EAGER_BLACKHOLING
+#else
+# define LAZY_BLACKHOLING
#endif
/* ToDo: Set this flag properly: COMPILER and INTERPRETER should not be mutually exclusive. */
/* Global type definitions*/
#include "StgTypes.h"
+#include "RtsTypes.h"
/* Global constaints */
#include "Constants.h"
/* Profiling information */
-#include "Profiling.h"
+#include "StgProf.h"
/* Storage format definitions */
#include "Closures.h"
#include "InfoTables.h"
#include "TSO.h"
+/* Simulated-parallel information */
+#include "GranSim.h"
+
+/* Parallel information */
+#include "Parallel.h"
+
/* STG/Optimised-C related stuff */
+#include "SMP.h"
#include "MachRegs.h"
#include "Regs.h"
#include "TailCalls.h"
+#include "Block.h"
/* RTS public interface */
#include "RtsAPI.h"
#include <unistd.h>
#endif
+#ifdef SMP
+#include <pthread.h>
+#endif
+
/* GNU mp library */
#include "gmp.h"
-/* Wired-in Prelude identifiers */
-#include "Prelude.h"
-
/* Storage Manager */
#include "StgStorage.h"
#include "ClosureMacros.h"
#include "InfoMacros.h"
#include "StgMacros.h"
-#include "StgProf.h"
#include "PrimOps.h"
#include "Updates.h"
#include "StgTicky.h"
#include "Hooks.h"
/* Misc stuff without a home */
-#if defined(ENABLE_WIN32_DLL_SUPPOT) && !defined(COMPILING_RTS)
-extern DLLIMPORT char **prog_argv; /* so we can get at these from Haskell */
-extern DLLIMPORT int prog_argc;
-#else
-extern char **prog_argv; /* so we can get at these from Haskell */
-extern int prog_argc;
-#endif
+DLL_IMPORT_RTS extern char **prog_argv; /* so we can get at these from Haskell */
+DLL_IMPORT_RTS extern int prog_argc;
extern char **environ;