X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a01e72b3aab192e7f8a4e2f26e9cde6ecc9a94ec..2807fde4fd1f59c230d69a934634c5dfb77905f2:/include/xbt/sysdep.h diff --git a/include/xbt/sysdep.h b/include/xbt/sysdep.h index a0421e4688..3cbeb656c0 100644 --- a/include/xbt/sysdep.h +++ b/include/xbt/sysdep.h @@ -1,43 +1,58 @@ -/* $Id$ */ /* 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 */ -/* Copyright (c) 2004 Martin Quinson. All rights reserved. */ +/* Copyright (c) 2004-2017. 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. */ -#ifndef _XBT_SYSDEP_H -#define _XBT_SYSDEP_H +#ifndef XBT_SYSDEP_H +#define XBT_SYSDEP_H -#include -#include -#include /* va_list */ - +#include "xbt/log.h" #include "xbt/misc.h" #include "xbt/asserts.h" - + +#include "simgrid_config.h" + +#include +#include +#include /* 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 - * + * * @{ */ -XBT_PUBLIC(void) xbt_abort(void) _XBT_GNUC_NORETURN; -XBT_PUBLIC(void) xbt_die(const char *msg) _XBT_GNUC_NORETURN; +/** @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) /** @} */ -/* these ones live in str.h, but redeclare them here so that we do - not need to load the whole str.h and its heavy dependencies */ -#ifndef __USE_GNU /* do not redeclare existing headers */ - XBT_PUBLIC(int) asprintf (char **ptr, const char *fmt, /*args*/ ...) _XBT_GNUC_PRINTF(2,3); - XBT_PUBLIC(int) vasprintf (char **ptr, const char *fmt, va_list ap); +#ifdef XBT_LOG_LOCALLY_DEFINE_XBT_CHANNEL +XBT_LOG_NEW_CATEGORY(xbt, "All XBT categories (simgrid toolbox)"); +#else +XBT_LOG_EXTERNAL_CATEGORY(xbt); #endif -XBT_PUBLIC(char*) bprintf (const char*fmt, ...) _XBT_GNUC_PRINTF(1,2); /** @addtogroup XBT_syscall * @brief Malloc and associated functions, killing the program on error (with \ref XBT_ex) @@ -45,81 +60,71 @@ XBT_PUBLIC(char*) bprintf (const char*fmt, ...) _XBT_GNUC_PRINTF(1,2); * @{ */ -#if defined(__GNUC__) || defined(DOXYGEN) /** @brief Like strdup, but xbt_die() on error */ -static XBT_INLINE char *xbt_strdup(const char *s) { +static XBT_ALWAYS_INLINE char *xbt_strdup(const char *s) { char *res = NULL; if (s) { - res=strdup(s); - if (!res) + res = strdup(s); + if (!res) xbt_die("memory allocation error (strdup returned NULL)"); - } + } return res; } -/** @brief Like malloc, but xbt_die() on error + +XBT_PUBLIC(void) xbt_backtrace_display_current(); + +/** @brief Like malloc, but xbt_die() on error @hideinitializer */ -static XBT_INLINE void *xbt_malloc(unsigned int n){ - void *res=malloc(n); +static XBT_ALWAYS_INLINE void *xbt_malloc(size_t n) { + void* res = malloc(n); if (!res) - xbt_die(bprintf("Memory allocation of %d bytes failed",n)); + xbt_die("Memory allocation of %lu bytes failed", (unsigned long)n); return res; } /** @brief like malloc, but xbt_die() on error and memset data to 0 @hideinitializer */ -static XBT_INLINE void *xbt_malloc0(unsigned int n) { - void *res=calloc(n,1); +static XBT_ALWAYS_INLINE void *xbt_malloc0(size_t n) { + void* res = calloc(n, 1); if (!res) - xbt_die(bprintf("Memory callocation of %d bytes failed",n)); + xbt_die("Memory callocation of %lu bytes failed", (unsigned long)n); return res; } - -/** @brief like realloc, but xbt_die() on error + +/** @brief like realloc, but xbt_die() on error @hideinitializer */ -static XBT_INLINE void *xbt_realloc(void*p,unsigned int s){ - void *res=res; +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(bprintf("memory (re)allocation of %d bytes failed",s)); + res = realloc(p, s); + if (!res) + xbt_die("memory (re)allocation of %lu bytes failed", (unsigned long)s); } else { - res=xbt_malloc(s); + res = xbt_malloc(s); } } else { - if (p) { - free(p); - } + free(p); } return res; } -#else /* non __GNUC__ */ -# define xbt_strdup(s) strdup(s) -# define xbt_malloc(n) malloc(n) -# define xbt_malloc0(n) calloc(n,1) -# define xbt_realloc(p,s) realloc(p,s) -#endif /* __GNUC__ ? */ /** @brief like free @hideinitializer */ -#define xbt_free free /*nothing specific to do here. A poor valgrind replacement?*/ -/*#define xbt_free_fct free * replacement with the guareenty of being a function FIXME:KILLME*/ +#define xbt_free(p) free(p) /*nothing specific to do here. A poor valgrind replacement? */ /** @brief like free, but you can be sure that it is a function */ -XBT_PUBLIC(void) xbt_free_f(void* p); +XBT_PUBLIC(void) xbt_free_f(void *p); /** @brief should be given a pointer to pointer, and frees the second one */ XBT_PUBLIC(void) xbt_free_ref(void *d); -/** @brief like calloc, but xbt_die() on error and don't memset to 0 - @hideinitializer */ +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))) -/** @} */ - - -SG_END_DECL() +/** @} */ -#endif /* _XBT_SYSDEP_H */ +#endif /* XBT_SYSDEP_H */