-/* xbt.h - Public interface to the xbt (simgrid's toolbox) */
+/* xbt.h - Public interface to the xbt (simgrid's toolbox) */
-/* Copyright (c) 2004-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2004-2015. The SimGrid Team. 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. */
#ifndef XBT_BASE_H
#define XBT_BASE_H
-#include "simgrid_config.h"
-
/* Define _GNU_SOURCE for getline, isfinite, etc. */
#ifndef _GNU_SOURCE
- #define _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
+
+// Teach the compiler that some code path is unreacheable:
+#if defined(__has_builtin)
+# if __has_builtin(__builtin_unreachable)
+# define XBT_UNREACHABLE() __builtin_unreachable()
+# else
+# include <stdlib.h>
+# define XBT_UNREACHABLE() abort()
+# endif
+#elif (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+# define XBT_UNREACHABLE() __builtin_unreachable()
+#else
+# include <stdlib.h>
+# define XBT_UNREACHABLE() abort()
#endif
/* On MinGW, stdio.h defines __MINGW_PRINTF_FORMAT and __MINGW_SCANF_FORMAT
which are the suitable format style (either gnu_printf or ms_printf)
depending on which version is available (__USE_MINGW_ANSI_STDIO): */
#ifdef __MINGW32__
- #include <stdio.h>
-#endif
+# include <stdio.h>
-#if defined(__MINGW32__) && defined(__MINGW_PRINTF_FORMAT)
- # define XBT_ATTRIB_PRINTF( format_idx, arg_idx ) \
+# define XBT_ATTRIB_PRINTF( format_idx, arg_idx ) \
__attribute__((__format__ (__MINGW_PRINTF_FORMAT, format_idx, arg_idx)))
+# define XBT_ATTRIB_SCANF( format_idx, arg_idx ) \
+ __attribute__((__MINGW_SCANF_FORMAT (__scanf__, format_idx, arg_idx)))
#else
- # define XBT_ATTRIB_PRINTF( format_idx, arg_idx ) \
+# define XBT_ATTRIB_PRINTF( format_idx, arg_idx ) \
__attribute__((__format__ (__printf__, format_idx, arg_idx)))
+# define XBT_ATTRIB_SCANF( format_idx, arg_idx ) \
+ __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
#endif
-#if defined(__MINGW32__) && defined(__MINGW_SCANF_FORMAT)
- # define XBT_ATTRIB_SCANF( format_idx, arg_idx ) \
- __attribute__((__MINGW_SCANF_FORMAT (__scanf__, format_idx, arg_idx)))
-#else
- # define XBT_ATTRIB_SCANF( format_idx, arg_idx ) \
- __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
-#endif
-
-# define XBT_ATTRIB_NORETURN __attribute__((__noreturn__))
-# define XBT_ATTRIB_UNUSED __attribute__((__unused__))
+#define XBT_ATTRIB_NORETURN __attribute__((__noreturn__))
+#define XBT_ATTRIB_UNUSED __attribute__((__unused__))
+#define XBT_ATTRIB_DEPRECATED(m) __attribute__((__deprecated__(m)))
/* Constructor priorities exist since gcc 4.3. Apparently, they are however not
* supported on Macs. */
-# if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__APPLE__)
+#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__APPLE__)
# define _XBT_GNUC_CONSTRUCTOR(prio) __attribute__((__constructor__ (prio)))
# define _XBT_GNUC_DESTRUCTOR(prio) __attribute__((__destructor__ (prio)))
-# else
+#else
# define _XBT_GNUC_CONSTRUCTOR(prio) __attribute__((__constructor__))
# define _XBT_GNUC_DESTRUCTOR(prio) __attribute__((__destructor__))
-# endif
-# undef _XBT_NEED_INIT_PRAGMA
-
-/* inline and __FUNCTION__ are only in GCC when -ansi is off */
+#endif
-#if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
-# define _XBT_FUNCTION __FUNCTION__
-#elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
-# define _XBT_FUNCTION __func__ /* ISO-C99 compliant */
+#if defined(__GNUC__)
+# define XBT_ALWAYS_INLINE inline __attribute__ ((always_inline))
#else
-# define _XBT_FUNCTION "function"
+# define XBT_ALWAYS_INLINE inline
#endif
#if defined(__GNUC__)
-# define XBT_ALWAYS_INLINE inline __attribute__ ((always_inline))
+# define XBT_THREAD_LOCAL __thread
#else
-# define XBT_ALWAYS_INLINE inline
+# define XBT_THREAD_LOCAL No thread local on this architecture
#endif
/* improvable on gcc (by evaluating arguments only once), but wouldn't be portable */
#ifdef MIN
-# undef MIN
+# undef MIN
#endif
#define MIN(a,b) ((a)<(b)?(a):(b))
#ifdef MAX
-# undef MAX
+# undef MAX
#endif
#define MAX(a,b) ((a)>(b)?(a):(b))
# define XBT_IMPORT_NO_EXPORT(type) type
# define XBT_PUBLIC_DATA(type) extern type
# define XBT_PUBLIC_CLASS class
-# define XBT_PRIVATE
+# define XBT_PRIVATE /** @private */
#endif
#define TRUE 1
#define FALSE 0
-/*! C++ users need love */
+/* C++ users need love */
#ifndef SG_BEGIN_DECL
# ifdef __cplusplus
# define SG_BEGIN_DECL() extern "C" {