mono/utils/mono-time.h

   1 #ifndef __UTILS_MONO_TIME_H__
   2 #define __UTILS_MONO_TIME_H__
   3
   4 #include <mono/utils/mono-compiler.h>
   5 #include <glib.h>
   6
   7 /* Returns the number of milliseconds from boot time: this should be monotonic */
   8 guint32 mono_msec_ticks      (void) MONO_INTERNAL;
   9
  10 /* Returns the number of 100ns ticks from unspecified time: this should be monotonic */
  11 gint64  mono_100ns_ticks     (void) MONO_INTERNAL;
  12
  13 /* Returns the number of 100ns ticks since 1/1/1, UTC timezone */
  14 gint64  mono_100ns_datetime  (void) MONO_INTERNAL;
  15
  16 /* Stopwatch class for internal runtime use */
  17 typedef struct {
  18         gint64 start, stop;
  19 } MonoStopwatch;
  20
  21 static inline void
  22 mono_stopwatch_start (MonoStopwatch *w)
  23 {
  24         w->start = mono_100ns_ticks ();
  25         w->stop = 0;
  26 }
  27
  28 static inline void
  29 mono_stopwatch_stop (MonoStopwatch *w)
  30 {
  31         w->stop = mono_100ns_ticks ();
  32 }
  33
  34 static inline guint64
  35 mono_stopwatch_elapsed (MonoStopwatch *w)
  36 {
  37         return (w->stop - w->start) / 10;
  38 }
  39
  40 static inline guint64
  41 mono_stopwatch_elapsed_ms (MonoStopwatch *w)
  42 {
  43         return (mono_stopwatch_elapsed (w) + 500) / 1000;
  44 }
  45
  46 #endif /* __UTILS_MONO_TIME_H__ */
  47