3 /* time - time related syscal wrappers */
5 /* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
7 /* This program is free software; you can redistribute it and/or modify it
8 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include "math.h" /* floor */
14 #include "xbt/sysdep.h"
15 #include "gras/virtu.h"
17 XBT_LOG_EXTERNAL_CATEGORY(virtu);
18 XBT_LOG_DEFAULT_CATEGORY(virtu);
20 double gras_os_time() {
21 #ifdef HAVE_GETTIMEOFDAY
24 gettimeofday(&tv, NULL);
26 return (double)(tv.tv_sec + tv.tv_usec / 1000000.0);
29 return (double)(time(NULL));
30 #endif /* HAVE_GETTIMEOFDAY? */
34 void gras_os_sleep(double sec) {
35 DEBUG1("Do sleep %d sec", (int)sec);
39 DEBUG1("Do sleep %d usec", (int) ((sec - floor(sec)) * 1000000 ));
40 (void)usleep( (sec - floor(sec)) * 1000000);
42 if ( ((int) sec) == 0) {
43 WARN0("This platform does not implement usleep. Cannot sleep less than one second");
45 #endif /* ! HAVE_USLEEP */