3 /* xbt.h - Public interface to the xbt (gras's toolbox) */
5 /* Copyright (c) 2004 Martin Quinson. */
6 /* Copyright (c) 2004 Arnaud Legrand. */
7 /* All rights reserved. */
9 /* This program is free software; you can redistribute it and/or modify it
10 * under the terms of the license (GNU LGPL) which comes with this package. */
15 /* Attributes are only in recent versions of GCC */
16 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
17 # define _XBT_GNUC_PRINTF( format_idx, arg_idx ) \
18 __attribute__((__format__ (__printf__, format_idx, arg_idx)))
19 # define _XBT_GNUC_SCANF( format_idx, arg_idx ) \
20 __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
21 # define _XBT_GNUC_FORMAT( arg_idx ) \
22 __attribute__((__format_arg__ (arg_idx)))
23 # define _XBT_GNUC_NORETURN __attribute__((__noreturn__))
24 # define _XBT_GNUC_UNUSED __attribute__((unused))
27 # define _XBT_GNUC_PRINTF( format_idx, arg_idx )
28 # define _XBT_GNUC_SCANF( format_idx, arg_idx )
29 # define _XBT_GNUC_FORMAT( arg_idx )
30 # define _XBT_GNUC_NORETURN
31 # define _XBT_GNUC_UNUSED
33 #endif /* !__GNUC__ */
35 /* inline and __FUNCTION__ are only in GCC when -ansi is off */
37 #if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
38 # define _XBT_FUNCTION __FUNCTION__
39 #elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
40 # define _XBT_FUNC__ __func__ /* ISO-C99 compliant */
42 # define _XBT_FUNCTION "function"
46 # if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
47 # define XBT_INLINE inline
48 # elif (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
49 # define XBT_INLINE inline
50 # elif defined(__BORLANDC__) && !defined(__STRICT_ANSI__)
51 # define XBT_INLINE __inline
56 # define XBT_INLINE inline
60 * Function calling convention (not used for now)
65 # define _XBT_CALL __cdecl
71 /* Handle import/export stuff
73 * Rational of XBT_PUBLIC:
74 * * This is for library symbols visible from the application-land.
75 * Basically, any symbols defined in the include/directory must be
76 * like this (plus some other globals).
78 * UNIX coders should just think of it as a special way to say "extern".
80 * * If you build the DLL, define the DLL_EXPORT symbol so that all symbols
81 * actually get exported by this file.
83 * * If you do a static windows compilation, define DLL_STATIC, both when
84 * compiling the application files and when compiling the library.
86 * * If you link your application against the DLL or if you do a UNIX build,
87 * don't do anything special. This file will do the right thing for you
91 * Rational of XBT_EXPORT_NO_IMPORT: (windows-only cruft)
92 * * Symbols which must be exported in the DLL, but not imported from it.
94 * * This is obviously useful for initialized globals (which cannot be
96 * * This is also used in the log mecanism where a macro creates the
97 * variable automatically. When the macro is called from within SimGrid,
98 * the symbol must be exported, but when called from within the client
99 * code, it must not try to retrieve the symbol from the DLL since it's
102 * Rational of XBT_IMPORT_NO_EXPORT: (windows-only cruft)
103 * * Symbols which must be imported from the DLL, but not explicitely
106 * * The root log category is already exported, but not imported explicitely
107 * when creating a subcategory since we cannot import the parent category
108 * to deal with the fact that the parent may be in application space, not
114 #if defined(DLL_EXPORT)
115 # define XBT_PUBLIC(type) __declspec(dllexport) type
116 # define XBT_EXPORT_NO_IMPORT(type) __declspec(dllexport) type
117 # define XBT_IMPORT_NO_EXPORT(type) type
118 # define XBT_PUBLIC_DATA(type) __declspec(dllexport) type
120 /* Pack everything up statically */
121 #elif defined(DLL_STATIC)
122 # define XBT_PUBLIC(type) type
123 # define XBT_EXPORT_NO_IMPORT(type) type
124 # define XBT_IMPORT_NO_EXPORT(type) type
125 # define XBT_PUBLIC_DATA(type) type
128 /* Link against the DLL */
129 #elif (defined(_WIN32) && !defined(DLL_EXPORT))
130 # define XBT_PUBLIC(type) __declspec(dllimport) type
131 # define XBT_EXPORT_NO_IMPORT(type) type
132 # define XBT_IMPORT_NO_EXPORT(type) __declspec(dllimport) type
133 # define XBT_PUBLIC_DATA(type) __declspec(dllimport) type
135 /* UNIX build. Let's keep sain here ;) */
137 # define XBT_PUBLIC(type) extern type
138 # define XBT_EXPORT_NO_IMPORT(type) type
139 # define XBT_IMPORT_NO_EXPORT(type) type
140 # define XBT_PUBLIC_DATA(type) type
143 #if !defined (max) && !defined(__cplusplus)
144 # define max(a,b) (((a) > (b)) ? (a) : (b))
146 #if !defined (min) && !defined(__cplusplus)
147 # define min(a,b) (((a) < (b)) ? (a) : (b))
153 #define XBT_MAX_CHANNEL 10 /* FIXME: killme */
154 /*! C++ users need love */
155 #ifndef SG_BEGIN_DECL
157 # define SG_BEGIN_DECL() extern "C" {
159 # define SG_BEGIN_DECL()
165 # define SG_END_DECL() }
167 # define SG_END_DECL()
170 /* End of cruft for C++ */
174 XBT_PUBLIC(const char *)xbt_procname(void);
176 #define XBT_BACKTRACE_SIZE 10 /* FIXME: better place? Do document */
180 #endif /* XBT_MISC_H */