/* $Id$ */
-/* xbt.h - Public interface to the xbt (gras's toolbox) */
+/* xbt.h - Public interface to the xbt (gras's toolbox) */
-/* Authors: Martin Quinson */
-/* Copyright (C) 2004 the OURAGAN project. */
+/* Copyright (c) 2004 Martin Quinson. */
+/* Copyright (c) 2004 Arnaud Legrand. */
+/* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
#ifndef XBT_MISC_H
#define XBT_MISC_H
-#define max(a, b) (((a) > (b))?(a):(b))
-#define min(a, b) (((a) < (b))?(a):(b))
+/* Attributes are only in recent versions of GCC */
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
+# define _XBT_GNUC_PRINTF( format_idx, arg_idx ) \
+ __attribute__((__format__ (__printf__, format_idx, arg_idx)))
+# define _XBT_GNUC_SCANF( format_idx, arg_idx ) \
+ __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
+# define _XBT_GNUC_FORMAT( arg_idx ) \
+ __attribute__((__format_arg__ (arg_idx)))
+# define _XBT_GNUC_NORETURN __attribute__((__noreturn__))
+# define _XBT_GNUC_UNUSED __attribute__((unused))
+
+#else /* !__GNUC__ */
+# define _XBT_GNUC_PRINTF( format_idx, arg_idx )
+# define _XBT_GNUC_SCANF( format_idx, arg_idx )
+# define _XBT_GNUC_FORMAT( arg_idx )
+# define _XBT_GNUC_NORETURN
+# define _XBT_GNUC_UNUSED
+
+#endif /* !__GNUC__ */
+
+/* inline and __FUNCTION__ are only in GCC when -ansi is off */
+
+#if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
+# define _XBT_FUNCTION __FUNCTION__
+#elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
+# define _XBT_FUNC__ __func__ /* ISO-C99 compliant */
+#else
+# define _XBT_FUNCTION "function"
+#endif
+
+#ifndef __cplusplus
+# if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
+# define XBT_INLINE inline
+# elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
+# define XBT_INLINE inline
+# elif defined(__BORLANDC__) && !defined(__STRICT_ANSI__)
+# define XBT_INLINE __inline
+# else
+# define XBT_INLINE
+# endif
+# else
+# define XBT_INLINE inline
+#endif
+
+/* improvable on gcc (by evaluating arguments only once), but wouldn't be portable */
+#ifdef MIN
+# undef MIN
+#endif
+#define MIN(a,b) ((a)<(b)?(a):(b))
+
+#ifdef MAX
+# undef MAX
+#endif
+#define MAX(a,b) ((a)>(b)?(a):(b))
+
+
+/*
+ * Function calling convention (not used for now)
+ */
+
+#ifdef _WIN32
+# ifndef _XBT_CALL
+# define _XBT_CALL __cdecl
+# endif
+#else
+# define _XBT_CALL
+#endif
+
+/* Handle import/export stuff
+ *
+ * Rational of XBT_PUBLIC:
+ * * This is for library symbols visible from the application-land.
+ * Basically, any symbols defined in the include/directory must be
+ * like this (plus some other globals).
+ *
+ * UNIX coders should just think of it as a special way to say "extern".
+ *
+ * * If you build the DLL, define the DLL_EXPORT symbol so that all symbols
+ * actually get exported by this file.
+
+ * * If you do a static windows compilation, define DLL_STATIC, both when
+ * compiling the application files and when compiling the library.
+ *
+ * * If you link your application against the DLL or if you do a UNIX build,
+ * don't do anything special. This file will do the right thing for you
+ * by default.
+ *
+ *
+ * Rational of XBT_EXPORT_NO_IMPORT: (windows-only cruft)
+ * * Symbols which must be exported in the DLL, but not imported from it.
+ *
+ * * This is obviously useful for initialized globals (which cannot be
+ * extern or similar).
+ * * This is also used in the log mecanism where a macro creates the
+ * variable automatically. When the macro is called from within SimGrid,
+ * the symbol must be exported, but when called from within the client
+ * code, it must not try to retrieve the symbol from the DLL since it's
+ * not in there.
+ *
+ * Rational of XBT_IMPORT_NO_EXPORT: (windows-only cruft)
+ * * Symbols which must be imported from the DLL, but not explicitely
+ * exported from it.
+ *
+ * * The root log category is already exported, but not imported explicitely
+ * when creating a subcategory since we cannot import the parent category
+ * to deal with the fact that the parent may be in application space, not
+ * DLL space.
+ */
+
+
+/* Build the DLL */
+#if defined(DLL_EXPORT)
+# define XBT_PUBLIC(type) __declspec(dllexport) type
+# define XBT_EXPORT_NO_IMPORT(type) __declspec(dllexport) type
+# define XBT_IMPORT_NO_EXPORT(type) type
+# define XBT_PUBLIC_DATA(type) __declspec(dllexport) type
+
+/* Pack everything up statically */
+#elif defined(DLL_STATIC)
+# define XBT_PUBLIC(type) type
+# define XBT_EXPORT_NO_IMPORT(type) type
+# define XBT_IMPORT_NO_EXPORT(type) type
+# define XBT_PUBLIC_DATA(type) type
+
+
+/* Link against the DLL */
+#elif (defined(_WIN32) && !defined(DLL_EXPORT))
+# define XBT_PUBLIC(type) __declspec(dllimport) type
+# define XBT_EXPORT_NO_IMPORT(type) type
+# define XBT_IMPORT_NO_EXPORT(type) __declspec(dllimport) type
+# define XBT_PUBLIC_DATA(type) __declspec(dllimport) type
+
+/* UNIX build. Let's keep sain here ;) */
+#else
+# define XBT_PUBLIC(type) extern type
+# define XBT_EXPORT_NO_IMPORT(type) type
+# define XBT_IMPORT_NO_EXPORT(type) type
+# define XBT_PUBLIC_DATA(type) extern type
+#endif
+
+#if !defined (max) && !defined(__cplusplus)
+# define max(a,b) (((a) > (b)) ? (a) : (b))
+#endif
+#if !defined (min) && !defined(__cplusplus)
+# define min(a,b) (((a) < (b)) ? (a) : (b))
+#endif
#define TRUE 1
#define FALSE 0
#define XBT_MAX_CHANNEL 10 /* FIXME: killme */
/*! C++ users need love */
-#ifndef BEGIN_DECL
+#ifndef SG_BEGIN_DECL
# ifdef __cplusplus
-# define BEGIN_DECL extern "C" {
+# define SG_BEGIN_DECL() extern "C" {
# else
-# define BEGIN_DECL
+# define SG_BEGIN_DECL()
# endif
#endif
-/*! C++ users need love */
-#ifndef END_DECL
+#ifndef SG_END_DECL
# ifdef __cplusplus
-# define END_DECL }
+# define SG_END_DECL() }
# else
-# define END_DECL
+# define SG_END_DECL()
# endif
#endif
/* End of cruft for C++ */
-BEGIN_DECL
-/* Dunno where to place this: needed by config and amok */
-typedef struct {
- char *name;
- int port;
-} xbt_host_t;
+SG_BEGIN_DECL()
-/* pointer to a function freeing something */
-typedef void (void_f_ppvoid_t)(void**);
-typedef void (void_f_pvoid_t) (void*);
+XBT_PUBLIC(const char *)xbt_procname(void);
-/* The following two definitions concern the type of the keys used for
- the heaps. That should be handled via configure (FIXME). */
-typedef long double xbt_heap_float_t;
-#define XBT_HEAP_FLOAT_T "%Lg" /* for printing purposes */
+#define XBT_BACKTRACE_SIZE 10 /* FIXME: better place? Do document */
+
+SG_END_DECL()
+
+#endif /* XBT_MISC_H */
-typedef long double xbt_maxmin_float_t;
-#define XBT_MAXMIN_FLOAT_T "%Lg" /* for printing purposes */
-END_DECL
-#endif /* XBT_MISC_H */