X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b5e582ab2e3d739814ccfbb0cf4d2ac8078985a5..7bc340a73928fe73a57a9664aeba0cf5a92b654c:/include/xbt/base.h diff --git a/include/xbt/base.h b/include/xbt/base.h index 8365b1dbb1..8528c62589 100644 --- a/include/xbt/base.h +++ b/include/xbt/base.h @@ -1,7 +1,6 @@ -/* 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) 2004-2017. 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. */ @@ -9,124 +8,103 @@ #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 -/* Attributes are only in recent versions of GCC */ -#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)) +// 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 +# define XBT_UNREACHABLE() abort() +# endif +#elif (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) +# define XBT_UNREACHABLE() __builtin_unreachable() +#else +# include +# 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 -#endif +# include -#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))) +#if defined(__cplusplus) +#if __cplusplus >= 201103L +#define XBT_ATTRIB_NORETURN [[noreturn]] +#endif +#if __cplusplus >= 201703L +#define XBT_ATTRIB_UNUSED [[maybe_unused]] +#endif +#if __cplusplus >= 201402L +#define XBT_ATTRIB_DEPRECATED(msg) [[deprecated(msg)]] +#endif +#elif defined(__STDC_VERSION__) +#if __STDC_VERSION__ >= 201112L +#define XBT_ATTRIB_NORETURN _Noreturn +#endif +#endif + +#ifndef XBT_ATTRIB_NORETURN +#define XBT_ATTRIB_NORETURN __attribute__((noreturn)) +#endif +#ifndef XBT_ATTRIB_UNUSED +#define XBT_ATTRIB_UNUSED __attribute__((unused)) +#endif +#ifndef XBT_ATTRIB_DEPRECATED +#define XBT_ATTRIB_DEPRECATED(msg) __attribute__((deprecated(msg))) #endif -# define XBT_ATTRIB_NORETURN __attribute__((__noreturn__)) -# define XBT_ATTRIB_UNUSED __attribute__((__unused__)) +#define XBT_ATTRIB_DEPRECATED_v319(msg) XBT_ATTRIB_DEPRECATED(msg) /* Will be dropped in v3.19 */ +#define XBT_ATTRIB_DEPRECATED_v320(msg) XBT_ATTRIB_DEPRECATED(msg) /* Will be dropped in v3.20 */ +#define XBT_ATTRIB_DEPRECATED_v321(msg) XBT_ATTRIB_DEPRECATED(msg) /* Will be dropped in v3.21 */ /* 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 - -#elif defined(_MSC_VER) /* Microsoft Visual Thing */ -# define XBT_ATTRIB_PRINTF( format_idx, arg_idx ) -# define XBT_ATTRIB_SCANF( format_idx, arg_idx ) -# define XBT_ATTRIB_NORETURN __declspec(noreturn) -# define XBT_ATTRIB_UNUSED -# define _XBT_GNUC_CONSTRUCTOR(prio) -# define _XBT_GNUC_DESTRUCTOR(prio) -# define _XBT_NEED_INIT_PRAGMA 1 -#else -# define XBT_ATTRIB_PRINTF( format_idx, arg_idx ) -# define XBT_ATTRIB_SCANF( format_idx, arg_idx ) -# define XBT_ATTRIB_NORETURN -# define XBT_ATTRIB_UNUSED -# define _XBT_GNUC_CONSTRUCTOR(prio) -# define _XBT_GNUC_DESTRUCTOR(prio) -# define _XBT_NEED_INIT_PRAGMA 1 - -#endif /* gcc or MSVC else */ - -/* 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_FUNCTION __func__ /* ISO-C99 compliant */ -#else -# define _XBT_FUNCTION "function" -#endif - -#ifdef DOXYGEN -# define XBT_INLINE -#else -# 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 -# else -# define XBT_INLINE -# endif -# else -# if defined (_MSC_VER) -# define XBT_INLINE __inline -# else -# define XBT_INLINE inline -# endif -# endif /* __cplusplus */ #endif #if defined(__GNUC__) -# define XBT_ALWAYS_INLINE inline __attribute__ ((always_inline)) +# define XBT_ALWAYS_INLINE inline __attribute__ ((always_inline)) #else -# define XBT_ALWAYS_INLINE XBT_INLINE +# define XBT_ALWAYS_INLINE inline #endif #if defined(__GNUC__) -# define XBT_THREAD_LOCAL __thread -#elif defined(_MSC_VER) -# define XBT_THREAD_LOCAL __declspec(thread) +# define XBT_THREAD_LOCAL __thread #else -# define XBT_THREAD_LOCAL No thread local on this architecture +# 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)) @@ -185,6 +163,7 @@ /* Build the DLL */ #if defined(DLL_EXPORT) +# define XBT_ATTRIB_PUBLIC __declspec(dllexport) # define XBT_PUBLIC(type) __declspec(dllexport) type # define XBT_EXPORT_NO_IMPORT(type) __declspec(dllexport) type # define XBT_IMPORT_NO_EXPORT(type) type @@ -194,6 +173,7 @@ /* Link against the DLL */ #elif (defined(_WIN32) && !defined(DLL_EXPORT)) +# define XBT_ATTRIB_PUBLIC __declspec(dllimport) # define XBT_PUBLIC(type) __declspec(dllimport) type # define XBT_EXPORT_NO_IMPORT(type) type # define XBT_IMPORT_NO_EXPORT(type) __declspec(dllimport) type @@ -201,7 +181,8 @@ # define XBT_PUBLIC_CLASS class __declspec(dllimport) # define XBT_PRIVATE -#elif defined(__ELF__) +#elif defined(__ELF__) +# define XBT_ATTRIB_PUBLIC __attribute__((visibility("default"))) # define XBT_PUBLIC(type) __attribute__((visibility("default"))) type # define XBT_EXPORT_NO_IMPORT(type) __attribute__((visibility("default"))) type # define XBT_IMPORT_NO_EXPORT(type) __attribute__((visibility("default"))) type @@ -210,26 +191,20 @@ # define XBT_PRIVATE __attribute__((visibility("hidden"))) #else +# define XBT_ATTRIB_PUBLIC /* public */ # define XBT_PUBLIC(type) type # define XBT_EXPORT_NO_IMPORT(type) type # 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 -#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 -/*! C++ users need love */ +/* C++ users need love */ #ifndef SG_BEGIN_DECL # ifdef __cplusplus # define SG_BEGIN_DECL() extern "C" {