mono/utils/mono-time.h

   1 /**
   2  * \file
   3  */
   4
   5 #ifndef __UTILS_MONO_TIME_H__
   6 #define __UTILS_MONO_TIME_H__
   7
   8 #include <mono/utils/mono-compiler.h>
   9 #include <glib.h>
  10 #ifdef HAVE_SYS_TIME_H
  11 #include <sys/time.h>
  12 #endif
  13
  14 /* Returns the number of milliseconds from boot time: this should be monotonic
  15  *
  16  * Prefer to use mono_msec_ticks for elapsed time calculation. */
  17 gint64 mono_msec_boottime (void);
  18
  19 /* Returns the number of milliseconds ticks from unspecified time: this should be monotonic */
  20 gint64 mono_msec_ticks (void);
  21
  22 /* Returns the number of 100ns ticks from unspecified time: this should be monotonic */
  23 gint64 mono_100ns_ticks (void);
  24
  25 /* Returns the number of 100ns ticks since 1/1/1601, UTC timezone */
  26 gint64 mono_100ns_datetime (void);
  27
  28 #ifndef HOST_WIN32
  29 gint64 mono_100ns_datetime_from_timeval (struct timeval tv);
  30 #endif
  31
  32 /* Stopwatch class for internal runtime use */
  33 typedef struct {
  34         gint64 start, stop;
  35 } MonoStopwatch;
  36
  37 static inline void
  38 mono_stopwatch_start (MonoStopwatch *w)
  39 {
  40         w->start = mono_100ns_ticks ();
  41         w->stop = 0;
  42 }
  43
  44 static inline void
  45 mono_stopwatch_stop (MonoStopwatch *w)
  46 {
  47         w->stop = mono_100ns_ticks ();
  48 }
  49
  50 static inline guint64
  51 mono_stopwatch_elapsed (MonoStopwatch *w)
  52 {
  53         return (w->stop - w->start) / 10;
  54 }
  55
  56 static inline guint64
  57 mono_stopwatch_elapsed_ms (MonoStopwatch *w)
  58 {
  59         return (mono_stopwatch_elapsed (w) + 500) / 1000;
  60 }
  61
  62 // Expand non-portable strftime shorthands.
  63 #define MONO_STRFTIME_F "%Y-%m-%d" // %F in some systems, but this works on all.
  64 #define MONO_STRFTIME_T "%H:%M:%S" // %T in some systems, but this works on all.
  65
  66 #endif /* __UTILS_MONO_TIME_H__ */