X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c9f0b6f33ed2290b8f99ca0d34646e6418dcd0ba..48fb61a024cd614fd1544b95c360022fc470b505:/src/xbt/sysdep.c

diff --git a/src/xbt/sysdep.c b/src/xbt/sysdep.c
index a3b0a8a040..428d006728 100644
--- a/src/xbt/sysdep.c
+++ b/src/xbt/sysdep.c
@@ -1,6 +1,6 @@
 /* $Id$ */
 
-/* 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                            */
 
@@ -12,13 +12,26 @@
 #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");