X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/fec5fff327fcad427d0a399ebc3dbbb35de2852e..43cfff77113704360f4d55b40e890c65a09d8059:/include/xbt/sysdep.h

diff --git a/include/xbt/sysdep.h b/include/xbt/sysdep.h
index 4537717fb5..9ed7c53e13 100644
--- a/include/xbt/sysdep.h
+++ b/include/xbt/sysdep.h
@@ -2,7 +2,7 @@
 /*  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) 2004-2014. The SimGrid Team.
+/* Copyright (c) 2004-2015. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -11,18 +11,22 @@
 #ifndef _XBT_SYSDEP_H
 #define _XBT_SYSDEP_H
 
+#ifdef __cplusplus
+#include <type_traits>
+#endif
+
 #include "xbt/log.h"
 #include "xbt/misc.h"
 #include "xbt/asserts.h"
 
 #include "simgrid_config.h"
 
+SG_BEGIN_DECL()
+
 #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 */
 /**
@@ -45,12 +49,13 @@ XBT_PUBLIC(void) xbt_abort(void) _XBT_GNUC_NORETURN;
  */
 #define xbt_die(...)                            \
   do {                                          \
-    XBT_LOG_EXTERNAL_CATEGORY(xbt);             \
     XBT_CCRITICAL(xbt, __VA_ARGS__);            \
     xbt_abort();                                \
   } while (0)
 /** @} */
 
+XBT_LOG_EXTERNAL_CATEGORY(xbt);
+
 /* 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 */
@@ -148,15 +153,44 @@ 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);
 
+SG_END_DECL()
+
 /** @brief like calloc, but xbt_die() on error and don't memset to 0
     @hideinitializer */
+#ifndef __cplusplus
+
 #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)))
 
-/** @} */
+#else
+
+/** C++ wrapper for xtb_new
+ *
+ *  This ensures that we do not xbt_new things that need a constructor.
+ */
+template<typename T> inline
+T* xbt_new_(size_t count)
+{
+  static_assert(std::is_trivial<T>(),
+    "Cannot xbt_new this type");
+  return (T*) xbt_malloc(sizeof(T) * count);
+}
+
+template<typename T> inline
+T* xbt_new0_(size_t count)
+{
+  static_assert(std::is_trivial<T>(),
+    "Cannot xbt_new0 this type");
+  return (T*) xbt_malloc0(sizeof(T) * count);
+}
 
+#define xbt_new(type, count)  ::xbt_new_<type>(count)
+#define xbt_new0(type, count) ::xbt_new0_<type>(count)
+
+#endif
+
+/** @} */
 
-SG_END_DECL()
 #endif                          /* _XBT_SYSDEP_H */