/* 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. */
-#include "math.h" /* floor */
+#include <math.h> /* floor */
#include "portable.h"
#include "xbt/sysdep.h"
+#include "xbt/log.h"
#include "gras/virtu.h"
+#include "xbt/xbt_portability.h" /* private */
-XBT_LOG_EXTERNAL_CATEGORY(virtu);
-XBT_LOG_DEFAULT_CATEGORY(virtu);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu);
double gras_os_time() {
-#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? */
-
+ return xbt_os_time();
}
void gras_os_sleep(double sec) {
- DEBUG1("Do sleep %d sec", (int)sec);
- sleep(sec);
-
#ifdef HAVE_USLEEP
- DEBUG1("Do sleep %d usec", (int) ((sec - floor(sec)) * 1000000 ));
+ DEBUG1("Do sleep %f sec", sec);
+ sleep(sec);
(void)usleep( (sec - floor(sec)) * 1000000);
-#else
- if ( ((int) sec) == 0) {
- WARN0("This platform does not implement usleep. Cannot sleep less than one second");
- }
-#endif /* ! HAVE_USLEEP */
+
+#else /* don't have usleep. Use select to sleep less than one second */
+ struct timeval timeout;
+
+ DEBUG1("Do sleep %f sec", sec);
+
+ timeout.tv_sec = (unsigned long)(sec);
+ timeout.tv_usec = (sec - floor(sec)) * 1000000;
+
+ select(0, NULL, NULL, NULL, &timeout);
+#endif
}
+
