1 /* xbt/sysdep.h -- all system dependency */
2 /* no system header should be loaded out of this file so that we have only */
3 /* one file to check when porting to another OS */
5 /* Copyright (c) 2004-2015. The SimGrid Team.
6 * All rights reserved. */
8 /* This program is free software; you can redistribute it and/or modify it
9 * under the terms of the license (GNU LGPL) which comes with this package. */
16 #include "xbt/asserts.h"
18 #include "simgrid_config.h"
24 #include <stdarg.h> /* va_list */
26 /* They live in asserts.h, but need to be declared before this module.
27 double declaration to cut dependency cycle */
29 * @addtogroup XBT_error
33 /** @brief Kill the program in silence */
34 XBT_PUBLIC(void) XBT_ATTRIB_NORETURN xbt_abort(void);
37 * @brief Kill the program with an error message
38 * \param ... a format string and its arguments
40 * Things are so messed up that the only thing to do now, is to stop the
43 * The message is handled by a CRITICAL logging request, and may consist of a
44 * format string with arguments.
46 #define xbt_die(...) \
48 XBT_CCRITICAL(xbt, __VA_ARGS__); \
53 #ifdef XBT_LOG_LOCALLY_DEFINE_XBT_CHANNEL
54 XBT_LOG_NEW_CATEGORY(xbt, "All XBT categories (simgrid toolbox)");
56 XBT_LOG_EXTERNAL_CATEGORY(xbt);
59 /* these ones live in str.h, but redeclare them here so that we do
60 not need to load the whole str.h and its heavy dependencies */
61 #ifndef __USE_GNU /* do not redeclare existing headers */
62 XBT_PUBLIC(int) asprintf(char **ptr, const char *fmt, /*args */
63 ...) XBT_ATTRIB_PRINTF(2, 3);
64 XBT_PUBLIC(int) vasprintf(char **ptr, const char *fmt, va_list ap);
66 XBT_PUBLIC(char *) bprintf(const char *fmt, ...) XBT_ATTRIB_PRINTF(1, 2);
68 /** @addtogroup XBT_syscall
69 * @brief Malloc and associated functions, killing the program on error (with \ref XBT_ex)
74 #if defined(_MSC_VER) && !defined(strdup)
75 # define strdup _strdup /* POSIX name is not ANSI complient blabla */
78 /** @brief Like strdup, but xbt_die() on error */
79 static XBT_ALWAYS_INLINE char *xbt_strdup(const char *s) {
84 xbt_die("memory allocation error (strdup returned NULL)");
89 XBT_PUBLIC(void) xbt_backtrace_display_current(void);
91 /** @brief Like malloc, but xbt_die() on error
93 static XBT_ALWAYS_INLINE void *xbt_malloc(size_t n) {
96 xbt_backtrace_display_current();
97 xbt_die("malloc(0) is not portable");
102 xbt_die("Memory allocation of %lu bytes failed", (unsigned long)n);
106 /** @brief like malloc, but xbt_die() on error and memset data to 0
108 static XBT_ALWAYS_INLINE void *xbt_malloc0(size_t n) {
110 //if (n==0) xbt_die("calloc(0) is not portable");
113 xbt_die("Memory callocation of %lu bytes failed", (unsigned long)n);
117 /** @brief like realloc, but xbt_die() on error
119 static XBT_ALWAYS_INLINE void *xbt_realloc(void *p, size_t s) {
121 //if (s==0) xbt_die("realloc(0) is not portable");
126 xbt_die("memory (re)allocation of %lu bytes failed", (unsigned long)s);
138 #define xbt_free(p) free(p) /*nothing specific to do here. A poor valgrind replacement? */
140 /** @brief like free, but you can be sure that it is a function */
141 XBT_PUBLIC(void) xbt_free_f(void *p);
142 /** @brief should be given a pointer to pointer, and frees the second one */
143 XBT_PUBLIC(void) xbt_free_ref(void *d);
147 #define xbt_new(type, count) ((type*)xbt_malloc (sizeof (type) * (count)))
148 /** @brief like calloc, but xbt_die() on error
150 #define xbt_new0(type, count) ((type*)xbt_malloc0 (sizeof (type) * (count)))
154 #endif /* _XBT_SYSDEP_H */