1 /* xbt.h - Public interface to the xbt (gras's toolbox) */
3 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "gras_config.h"
14 /* Attributes are only in recent versions of GCC */
15 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4))
16 # define _XBT_GNUC_PRINTF( format_idx, arg_idx ) \
17 __attribute__((__format__ (__printf__, format_idx, arg_idx)))
18 # define _XBT_GNUC_SCANF( format_idx, arg_idx ) \
19 __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
20 # define _XBT_GNUC_FORMAT( arg_idx ) \
21 __attribute__((__format_arg__ (arg_idx)))
22 # define _XBT_GNUC_NORETURN __attribute__((__noreturn__))
23 # define _XBT_GNUC_UNUSED __attribute__((unused))
24 # define _XBT_GNUC_CONSTRUCTOR __attribute__((__constructor__))
25 # define _XBT_GNUC_DESTRUCTOR __attribute__((__destructor__))
26 # undef _XBT_NEED_INIT_PRAGMA
29 # define _XBT_GNUC_PRINTF( format_idx, arg_idx )
30 # define _XBT_GNUC_SCANF( format_idx, arg_idx )
31 # define _XBT_GNUC_FORMAT( arg_idx )
32 # define _XBT_GNUC_NORETURN
33 # define _XBT_GNUC_UNUSED
34 # define _XBT_GNUC_CONSTRUCTOR
35 # define _XBT_GNUC_DESTRUCTOR
36 # define _XBT_NEED_INIT_PRAGMA 1
38 #endif /* !__GNUC__ */
40 /* inline and __FUNCTION__ are only in GCC when -ansi is off */
42 #if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
43 # define _XBT_FUNCTION __FUNCTION__
44 #elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
45 # define _XBT_FUNC__ __func__ /* ISO-C99 compliant */
47 # define _XBT_FUNCTION "function"
51 # if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
52 # define XBT_INLINE inline
53 # elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
54 # define XBT_INLINE inline
55 # elif defined(__BORLANDC__) && !defined(__STRICT_ANSI__)
56 # define XBT_INLINE __inline
61 # if defined (__VISUALC__)
62 # define XBT_INLINE __inline
64 # define XBT_INLINE inline
68 /* improvable on gcc (by evaluating arguments only once), but wouldn't be portable */
72 #define MIN(a,b) ((a)<(b)?(a):(b))
77 #define MAX(a,b) ((a)>(b)?(a):(b))
81 * Function calling convention (not used for now)
86 # define _XBT_CALL __cdecl
92 /* Handle import/export stuff
94 * Rational of XBT_PUBLIC:
95 * * This is for library symbols visible from the application-land.
96 * Basically, any symbols defined in the include/directory must be
97 * like this (plus some other globals).
99 * UNIX coders should just think of it as a special way to say "extern".
101 * * If you build the DLL, define the DLL_EXPORT symbol so that all symbols
102 * actually get exported by this file.
104 * * If you do a static windows compilation, define DLL_STATIC, both when
105 * compiling the application files and when compiling the library.
107 * * If you link your application against the DLL or if you do a UNIX build,
108 * don't do anything special. This file will do the right thing for you
112 * Rational of XBT_EXPORT_NO_IMPORT: (windows-only cruft)
113 * * Symbols which must be exported in the DLL, but not imported from it.
115 * * This is obviously useful for initialized globals (which cannot be
116 * extern or similar).
117 * * This is also used in the log mecanism where a macro creates the
118 * variable automatically. When the macro is called from within SimGrid,
119 * the symbol must be exported, but when called from within the client
120 * code, it must not try to retrieve the symbol from the DLL since it's
123 * Rational of XBT_IMPORT_NO_EXPORT: (windows-only cruft)
124 * * Symbols which must be imported from the DLL, but not explicitely
127 * * The root log category is already exported, but not imported explicitely
128 * when creating a subcategory since we cannot import the parent category
129 * to deal with the fact that the parent may be in application space, not
135 #if defined(DLL_EXPORT)
136 # define XBT_PUBLIC(type) __declspec(dllexport) type
137 # define XBT_EXPORT_NO_IMPORT(type) __declspec(dllexport) type
138 # define XBT_IMPORT_NO_EXPORT(type) type
139 # define XBT_PUBLIC_DATA(type) __declspec(dllexport) type
141 /* Pack everything up statically */
142 #elif defined(DLL_STATIC)
143 # define XBT_PUBLIC(type) extern type
144 # define XBT_EXPORT_NO_IMPORT(type) type
145 # define XBT_IMPORT_NO_EXPORT(type) type
146 # define XBT_PUBLIC_DATA(type) extern type
148 /* Link against the DLL */
149 #elif (defined(_WIN32) && !defined(DLL_EXPORT) && !defined(DLL_STATIC))
150 # define XBT_PUBLIC(type) __declspec(dllimport) type
151 # define XBT_EXPORT_NO_IMPORT(type) type
152 # define XBT_IMPORT_NO_EXPORT(type) __declspec(dllimport) type
153 # define XBT_PUBLIC_DATA(type) __declspec(dllimport) type
157 # define XBT_PUBLIC(type) extern type
158 # define XBT_EXPORT_NO_IMPORT(type) type
159 # define XBT_IMPORT_NO_EXPORT(type) type
160 # define XBT_PUBLIC_DATA(type) extern type
163 #if !defined (max) && !defined(__cplusplus)
164 # define max(a,b) (((a) > (b)) ? (a) : (b))
166 #if !defined (min) && !defined(__cplusplus)
167 # define min(a,b) (((a) < (b)) ? (a) : (b))
173 #define XBT_MAX_CHANNEL 10 /* FIXME: killme */
174 /*! C++ users need love */
175 #ifndef SG_BEGIN_DECL
177 # define SG_BEGIN_DECL() extern "C" {
179 # define SG_BEGIN_DECL()
185 # define SG_END_DECL() }
187 # define SG_END_DECL()
190 /* End of cruft for C++ */
194 XBT_PUBLIC(const char *) xbt_procname(void);
196 #define XBT_BACKTRACE_SIZE 10 /* FIXME: better place? Do document */
199 #endif /* XBT_MISC_H */