-/* $Id$ */
-
-/* gras/sysdep.h -- all system dependency */
+/* xbt/sysdep.h -- all system dependency */
/* no system header should be loaded out of this file so that we have only */
/* one file to check when porting to another OS */
-/* Authors: Martin Quinson */
-/* Copyright (C) 2004 the OURAGAN project. */
+/* Copyright (c) 2004-2019. 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. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#ifndef XBT_SYSDEP_H
+#define XBT_SYSDEP_H
+
+#include <xbt/asserts.h>
+#include <xbt/log.h>
+#include <xbt/misc.h>
+
+#include <simgrid/config.h>
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h> /* va_list */
+
+SG_BEGIN_DECL()
+
+/* They live in asserts.h, but need to be declared before this module.
+ double declaration to cut dependency cycle */
+/**
+ * @addtogroup XBT_error
+ *
+ * @{
+ */
+/** @brief Kill the program in silence */
+XBT_ATTRIB_NORETURN XBT_PUBLIC void xbt_abort(void);
+
+/**
+ * @brief Kill the program with an error message
+ * @param ... a format string and its arguments
+ *
+ * Things are so messed up that the only thing to do now, is to stop the program.
+ *
+ * The message is handled by a CRITICAL logging request, and may consist of a format string with arguments.
+ */
+#define xbt_die(...) \
+ do { \
+ XBT_CCRITICAL(xbt, __VA_ARGS__); \
+ xbt_abort(); \
+ } while (0)
+/** @} */
+
+#ifdef XBT_LOG_LOCALLY_DEFINE_XBT_CHANNEL
+XBT_LOG_NEW_CATEGORY(xbt, "All XBT categories (simgrid toolbox)");
+XBT_LOG_NEW_SUBCATEGORY(xbt_help, xbt, "Help messages");
+#else
+XBT_LOG_EXTERNAL_CATEGORY(xbt);
+XBT_LOG_EXTERNAL_CATEGORY(xbt_help);
+#endif
+
+/** @addtogroup XBT_syscall
+ * @brief Malloc and associated functions, killing the program on error (with @ref XBT_ex)
+ *
+ * @{
+ */
+
+/** @brief Like strdup, but xbt_die() on error */
+static XBT_ALWAYS_INLINE char *xbt_strdup(const char *s) {
+ char *res = NULL;
+ if (s) {
+ res = strdup(s);
+ if (!res)
+ xbt_die("memory allocation error (strdup returned NULL)");
+ }
+ return res;
+}
+/** @brief Like malloc, but xbt_die() on error
+ @hideinitializer */
+static XBT_ALWAYS_INLINE void *xbt_malloc(size_t n) {
+ void* res = malloc(n);
+ if (!res)
+ xbt_die("Memory allocation of %lu bytes failed", (unsigned long)n);
+ return res;
+}
-#ifndef _GRAS_SYSDEP_H
-#define _GRAS_SYSDEP_H
+/** @brief like malloc, but xbt_die() on error and memset data to 0
+ @hideinitializer */
+static XBT_ALWAYS_INLINE void *xbt_malloc0(size_t n) {
+ void* res = calloc(n, 1);
+ if (!res)
+ xbt_die("Memory callocation of %lu bytes failed", (unsigned long)n);
+ return res;
+}
-#include <string.h> /* Included directly for speed */
+/** @brief like realloc, but xbt_die() on error
+ @hideinitializer */
+static XBT_ALWAYS_INLINE void *xbt_realloc(void *p, size_t s) {
+ void *res = NULL;
+ if (s) {
+ if (p) {
+ res = realloc(p, s);
+ if (!res)
+ xbt_die("memory (re)allocation of %lu bytes failed", (unsigned long)s);
+ } else {
+ res = xbt_malloc(s);
+ }
+ } else {
+ free(p);
+ }
+ return res;
+}
-#include <time.h> /* FIXME: remove */
-#include <unistd.h> /* FIXME: remove */
+/** @brief like free
+ @hideinitializer */
+#define xbt_free(p) free(p) /*nothing specific to do here. A poor valgrind replacement? */
-#ifdef __cplusplus
-extern "C"
+#ifdef __cplusplus
+#define XBT_FREE_NOEXCEPT noexcept(noexcept(::free))
+#else
+#define XBT_FREE_NOEXCEPT
#endif
-void* gras_malloc (long int bytes);
-void* gras_malloc0 (long int bytes);
-void* gras_realloc (void *memory, long int bytes);
-void gras_free (void *memory);
-
-#define gras_new(type, count) ((type*)gras_malloc (sizeof (type) * (count)))
-#define gras_new0(type, count) ((type*)gras_malloc0 (sizeof (type) * (count)))
-
-#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
-#define _GRAS_GNUC_PRINTF( format_idx, arg_idx ) \
- __attribute__((__format__ (__printf__, format_idx, arg_idx)))
-#define _GRAS_GNUC_SCANF( format_idx, arg_idx ) \
- __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
-#define _GRAS_GNUC_FORMAT( arg_idx ) \
- __attribute__((__format_arg__ (arg_idx)))
-#define _GRAS_GNUC_NORETURN \
- __attribute__((__noreturn__))
-#else /* !__GNUC__ */
-#define _GRAS_GNUC_PRINTF( format_idx, arg_idx )
-#define _GRAS_GNUC_SCANF( format_idx, arg_idx )
-#define _GRAS_GNUC_FORMAT( arg_idx )
-#define _GRAS_GNUC_NORETURN
-#endif /* !__GNUC__ */
-
-void gras_abort(void) _GRAS_GNUC_NORETURN;
-
-/* FIXME: This is a very good candidate to rewrite (along with a proper string stuff)
- but I'm too lazy right now, so copy the definition */
-long int strtol(const char *nptr, char **endptr, int base);
-double strtod(const char *nptr, char **endptr);
-int atoi(const char *nptr);
-
-
-
-#ifdef __cplusplus
-}
-#endif
+/** @brief like free, but you can be sure that it is a function */
+XBT_PUBLIC void xbt_free_f(void* p) XBT_FREE_NOEXCEPT;
+/** @brief should be given a pointer to pointer, and frees the second one */
+XBT_PUBLIC void xbt_free_ref(void* d) XBT_FREE_NOEXCEPT;
+
+SG_END_DECL()
+
+#define xbt_new(type, count) ((type*)xbt_malloc (sizeof (type) * (count)))
+/** @brief like calloc, but xbt_die() on error
+ @hideinitializer */
+#define xbt_new0(type, count) ((type*)xbt_malloc0 (sizeof (type) * (count)))
+
+/** @} */
-#endif /* _GRAS_SYSDEP_H */
+#endif /* XBT_SYSDEP_H */