X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4e7a0cc0a50e42a4197c0b3867f8b0fdb0c86f37..6428aaa0615924f69cf8050ab15eb1c60dd3fac1:/include/xbt/misc.h diff --git a/include/xbt/misc.h b/include/xbt/misc.h index ed4bc8ac6e..5a23b7355a 100644 --- a/include/xbt/misc.h +++ b/include/xbt/misc.h @@ -1,6 +1,6 @@ -/* xbt.h - Public interface to the xbt (gras's toolbox) */ +/* xbt.h - Public interface to the xbt (simgrid's toolbox) */ -/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team. +/* Copyright (c) 2004-2014. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it @@ -9,16 +9,32 @@ #ifndef XBT_MISC_H #define XBT_MISC_H +#include + +#include "simgrid_config.h" + +/* Define _GNU_SOURCE for getline, isfinite, etc. */ +#ifndef _GNU_SOURCE + #define _GNU_SOURCE +#endif + /* Attributes are only in recent versions of GCC */ #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))) + __attribute__((__format__ (__scanf__, format_idx, arg_idx))) # define _XBT_GNUC_NORETURN __attribute__((__noreturn__)) # define _XBT_GNUC_UNUSED __attribute__((__unused__)) -# define _XBT_GNUC_CONSTRUCTOR(prio) __attribute__((__constructor__ (prio))) -# define _XBT_GNUC_DESTRUCTOR(prio) __attribute__((__destructor__ (prio))) +/* 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__ */ @@ -56,11 +72,11 @@ # define XBT_INLINE # endif # else -# if defined (__VISUALC__) -# define XBT_INLINE __inline -# else -# define XBT_INLINE inline -# endif +# if defined (__VISUALC__) +# define XBT_INLINE __inline +# else +# define XBT_INLINE inline +# endif # endif /* __cplusplus */ #endif @@ -153,27 +169,32 @@ * DLL space. */ - /* Build the DLL */ #if defined(DLL_EXPORT) -# define XBT_PUBLIC(type) __declspec(dllexport) type +# define XBT_PUBLIC(type) extern __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 +# define XBT_PUBLIC_DATA(type) extern __declspec(dllexport) type +# define XBT_PUBLIC_CLASS class __declspec(dllexport) + /* Pack everything up statically */ #elif defined(DLL_STATIC) -# define XBT_PUBLIC(type) extern type +# 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 +# define XBT_PUBLIC_CLASS class + /* Link against the DLL */ #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 +# define XBT_PUBLIC(type) extern __declspec(dllimport) type +# define XBT_EXPORT_NO_IMPORT(type) type +# define XBT_IMPORT_NO_EXPORT(type) __declspec(dllimport) type +# define XBT_PUBLIC_DATA(type) extern __declspec(dllimport) type +# define XBT_PUBLIC_CLASS class __declspec(dllimport) + /* UNIX build */ #else @@ -181,13 +202,21 @@ # 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 + +#endif + +#ifdef _XBT_WIN32 +#define XBT_INTERNAL +#else +#define XBT_INTERNAL __attribute__((visibility ("hidden"))) #endif #if !defined (max) && !defined(__cplusplus) -# define max(a,b) (((a) > (b)) ? (a) : (b)) +# define max(a,b) (((a) > (b)) ? (a) : (b)) #endif #if !defined (min) && !defined(__cplusplus) -# define min(a,b) (((a) < (b)) ? (a) : (b)) +# define min(a,b) (((a) < (b)) ? (a) : (b)) #endif #define TRUE 1 @@ -213,9 +242,63 @@ SG_BEGIN_DECL() +/** Cache the size of a memory page for the current system. */ +XBT_PUBLIC_DATA(int) xbt_pagesize; + +/** Cache the number of bits of addresses inside a given page, log2(xbt_pagesize). */ +XBT_PUBLIC_DATA(int) xbt_pagebits; + XBT_PUBLIC(const char *) xbt_procname(void); +/** Retrieves the version numbers of the used dynamic library (so, DLL or dynlib) , while + SIMGRID_VERSION_MAJOR and friends give the version numbers of the used header files */ +XBT_PUBLIC(void) sg_version(int *major,int *minor,int *patch); + +typedef struct xbt_dynar_s s_xbt_dynar_t, *xbt_dynar_t; + +/** Contains all the parameters we got from the command line */ +XBT_PUBLIC_DATA(xbt_dynar_t) sg_cmdline; + #define XBT_BACKTRACE_SIZE 10 /* FIXME: better place? Do document */ +/* snprintf related functions */ +/** @addtogroup XBT_str + * @{ */ +/** @brief print to allocated string (reimplemented when not provided by the system) + * + * The functions asprintf() and vasprintf() are analogues of + * sprintf() and vsprintf(), except that they allocate a string large + * enough to hold the output including the terminating null byte, and + * return a pointer to it via the first parameter. This pointer + * should be passed to free(3) to release the allocated storage when + * it is no longer needed. + */ +#if defined(SIMGRID_NEED_ASPRINTF)||defined(DOXYGEN) +XBT_PUBLIC(int) asprintf(char **ptr, const char *fmt, /*args */ + ...) _XBT_GNUC_PRINTF(2, 3); +#endif +/** @brief print to allocated string (reimplemented when not provided by the system) + * + * See asprintf() + */ +#if defined(SIMGRID_NEED_VASPRINTF)||defined(DOXYGEN) +XBT_PUBLIC(int) vasprintf(char **ptr, const char *fmt, va_list ap); +#endif + +/** @brief print to allocated string + * + * Works just like vasprintf(), but returns a pointer to the newly + * created string, or aborts on error. + */ +XBT_PUBLIC(char *) bvprintf(const char *fmt, va_list ap); +/** @brief print to allocated string + * + * Works just like asprintf(), but returns a pointer to the newly + * created string, or aborts on error. + */ +XBT_PUBLIC(char *) bprintf(const char *fmt, ...) _XBT_GNUC_PRINTF(1, 2); +/** @} */ + SG_END_DECL() + #endif /* XBT_MISC_H */