[project @ 2003-09-23 15:38:35 by simonmar]

[ghc-hetmet.git] / ghc / includes / Rts.h

diff --git a/ghc/includes/Rts.h b/ghc/includes/Rts.h
index 2fa8591..d6f5eb9 100644 (file)
--- a/ghc/includes/Rts.h
+++ b/ghc/includes/Rts.h
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: Rts.h,v 1.13 2000/04/05 14:26:31 panne Exp $
+ * $Id: Rts.h,v 1.22 2002/12/19 17:57:39 panne Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -10,6 +10,10 @@
 #ifndef RTS_H
 #define RTS_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef IN_STG_CODE
 #define IN_STG_CODE 0
 #endif
@@ -19,14 +23,6 @@
    RTS Exit codes
    -------------------------------------------------------------------------- */
 
-#if ! defined(EXIT_SUCCESS) || ! defined(EXIT_FAILURE)
-/* "stdlib.h" should have defined these; but at least
-   on SunOS 4.1.3, this is not so.
-*/
-#define EXIT_SUCCESS 0
-#define EXIT_FAILURE 1
-#endif
-
 /* 255 is allegedly used by dynamic linkers to report linking failure */
 #define EXIT_INTERNAL_ERROR 254
 #define EXIT_DEADLOCK       253
@@ -41,6 +37,14 @@
 /* declarations for runtime flags/values */
 #define MAX_RTS_ARGS 32
 
+#ifdef _WIN32
+/* On the yucky side..suppress -Wmissing-declarations warnings when
+ * including <windows.h>
+ */
+extern void* GetCurrentFiber ( void );
+extern void* GetFiberData ( void );
+#endif
+
 /* -----------------------------------------------------------------------------
    Assertions and Debuggery
    -------------------------------------------------------------------------- */
@@ -57,6 +61,12 @@
 #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
@@ -74,7 +84,7 @@
    -------------------------------------------------------------------------- */
 
 #ifdef __GNUC__     /* Avoid spurious warnings                             */
-#if __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
+#if (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || __GNUC__ >= 3
 #define STG_NORETURN  __attribute__ ((noreturn))
 #define STG_UNUSED    __attribute__ ((unused))
 #else
@@ -90,15 +100,13 @@
    Useful macros and inline functions
    -------------------------------------------------------------------------- */
 
-/* 
- * 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)
-
 #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; })
 
+/* -------------------------------------------------------------------------- */
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* RTS_H */