X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6613d5a1da400fda1d9c4fc36c0e232ae7aabaef..4c04b128260c38d0d28a1fc70cd8cf02f06c15c1:/include/xbt/misc.h diff --git a/include/xbt/misc.h b/include/xbt/misc.h index 51e23cfb65..529bfc6365 100644 --- a/include/xbt/misc.h +++ b/include/xbt/misc.h @@ -1,10 +1,7 @@ -/* $Id$ */ - /* xbt.h - Public interface to the xbt (gras's toolbox) */ -/* Copyright (c) 2004 Martin Quinson. */ -/* Copyright (c) 2004 Arnaud Legrand. */ -/* All rights reserved. */ +/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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. */ @@ -12,37 +9,55 @@ #ifndef XBT_MISC_H #define XBT_MISC_H +/* Define _GNU_SOURCE for getline, isfinite, etc. */ +#ifndef _GNU_SOURCE + #define _GNU_SOURCE +#endif + /* Attributes are only in recent versions of GCC */ -#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4) +#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)) # define _XBT_GNUC_PRINTF( format_idx, arg_idx ) \ - __attribute__((__format__ (__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))) + __attribute__((__format__ (__scanf__, format_idx, arg_idx))) # define _XBT_GNUC_NORETURN __attribute__((__noreturn__)) -# define _XBT_GNUC_UNUSED __attribute__((unused)) +# define _XBT_GNUC_UNUSED __attribute__((__unused__)) +/* 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__) +# define _XBT_GNUC_CONSTRUCTOR(prio) __attribute__((__constructor__ (prio))) +# define _XBT_GNUC_DESTRUCTOR(prio) __attribute__((__destructor__ (prio))) +# else +# define _XBT_GNUC_CONSTRUCTOR(prio) __attribute__((__constructor__)) +# define _XBT_GNUC_DESTRUCTOR(prio) __attribute__((__destructor__)) +# endif +# undef _XBT_NEED_INIT_PRAGMA -#else /* !__GNUC__ */ +#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 +# define _XBT_GNUC_CONSTRUCTOR(prio) +# define _XBT_GNUC_DESTRUCTOR(prio) +# define _XBT_NEED_INIT_PRAGMA 1 -#endif /* !__GNUC__ */ +#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 */ +# define _XBT_FUNCTION __func__ /* ISO-C99 compliant */ #else # define _XBT_FUNCTION "function" #endif -#ifndef __cplusplus +#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) @@ -52,19 +67,60 @@ # else # define XBT_INLINE # endif -# else -# define XBT_INLINE inline +# else +# if defined (__VISUALC__) +# define XBT_INLINE __inline +# else +# define XBT_INLINE inline +# endif +# endif /* __cplusplus */ #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)) + +/* + * Expands to `one' if there is only one argument for the variadic part. + * Otherwise, expands to `more'. + * Works with up to 63 arguments, which is the maximum mandated by the C99 + * standard. + */ +#define _XBT_IF_ONE_ARG(one, more, ...) \ + _XBT_IF_ONE_ARG_(__VA_ARGS__, \ + more, more, more, more, more, more, more, more, \ + more, more, more, more, more, more, more, more, \ + more, more, more, more, more, more, more, more, \ + more, more, more, more, more, more, more, more, \ + more, more, more, more, more, more, more, more, \ + more, more, more, more, more, more, more, more, \ + more, more, more, more, more, more, more, more, \ + more, more, more, more, more, more, more, one) +#define _XBT_IF_ONE_ARG_(a64, a63, a62, a61, a60, a59, a58, a57, \ + a56, a55, a54, a53, a52, a51, a50, a49, \ + a48, a47, a46, a45, a44, a43, a42, a41, \ + a40, a39, a38, a37, a36, a35, a34, a33, \ + a32, a31, a30, a29, a28, a27, a26, a25, \ + a24, a23, a22, a21, a20, a19, a18, a17, \ + a16, a15, a14, a13, a12, a11, a10, a9, \ + a8, a7, a6, a5, a4, a3, a2, a1, N, ...) N + /* * Function calling convention (not used for now) */ - -#ifdef _WIN32 + +#ifdef _XBT_WIN32 # ifndef _XBT_CALL # define _XBT_CALL __cdecl # endif -#else +#else # define _XBT_CALL #endif @@ -111,73 +167,67 @@ /* Build the DLL */ -#if defined(DLL_EXPORT) +#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_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 +#elif defined(DLL_STATIC) +# define XBT_PUBLIC(type) extern type # define XBT_EXPORT_NO_IMPORT(type) type -# define XBT_IMPORT_NO_EXPORT(type) type +# define XBT_IMPORT_NO_EXPORT(type) type +# define XBT_PUBLIC_DATA(type) extern type /* Link against the DLL */ -#elif defined(_WIN32) -# define XBT_PUBLIC(type) __declspec(dllimport) type -# define XBT_EXPORT_NO_IMPORT(type) type -# define XBT_IMPORT_NO_EXPORT(type) __declspec(dllimport) type +#elif (defined(_XBT_WIN32) && !defined(DLL_EXPORT) && !defined(DLL_STATIC)) +# 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 -/* Non-UNIX build. Let's keep sain here ;) */ -#else +/* UNIX build */ +#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 - - - -#ifndef max -# define max(a, b) (((a) > (b))?(a):(b)) +#if !defined (max) && !defined(__cplusplus) +# define max(a,b) (((a) > (b)) ? (a) : (b)) #endif -#ifndef min -# define min(a, b) (((a) < (b))?(a):(b)) +#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 SG_BEGIN_DECL # ifdef __cplusplus # define SG_BEGIN_DECL() extern "C" { # else -# define SG_BEGIN_DECL() +# define SG_BEGIN_DECL() # endif #endif -/*! C++ users need love */ #ifndef SG_END_DECL # ifdef __cplusplus # define SG_END_DECL() } # else -# define SG_END_DECL() +# define SG_END_DECL() # endif #endif /* End of cruft for C++ */ SG_BEGIN_DECL() -XBT_PUBLIC(const char *)xbt_procname(void); - -#define XBT_BACKTRACE_SIZE 10 /* FIXME: better place? Do document */ - -SG_END_DECL() - -#endif /* XBT_MISC_H */ - - +XBT_PUBLIC(const char *) xbt_procname(void); +#define XBT_BACKTRACE_SIZE 10 /* FIXME: better place? Do document */ +SG_END_DECL() +#endif /* XBT_MISC_H */