/* $Id$ */
-/* sysdep.h -- all system dependency */
+/* sysdep.c -- 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 */
#include "xbt/sysdep.h"
#include "xbt/log.h"
#include "xbt/error.h"
-
-#include <stdlib.h>
+#include "portable.h"
/* \defgroup XBT_sysdep All system dependency
* \brief This section describes many macros/functions that can serve as
* an OS abstraction.
*/
+double xbt_os_time(void) {
+#ifdef HAVE_GETTIMEOFDAY
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+
+ return (double)(tv.tv_sec + tv.tv_usec / 1000000.0);
+#else
+ /* Poor resolution */
+ return (double)(time(NULL));
+#endif /* HAVE_GETTIMEOFDAY? */
+}
+
+
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sysdep, xbt, "System dependency");