src/helper/time_support.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /***************************************************************************
   4  *   Copyright (C) 2006 by Dominic Rath                                    *
   5  *   Dominic.Rath@gmx.de                                                   *
   6  *                                                                         *
   7  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   8  *   oyvind.harboe@zylin.com                                               *
   9  *                                                                         *
  10  *   Copyright (C) 2008 by Spencer Oliver                                  *
  11  *   spen@spen-soft.co.uk                                                  *
  12  ***************************************************************************/
  13
  14 #ifndef OPENOCD_HELPER_TIME_SUPPORT_H
  15 #define OPENOCD_HELPER_TIME_SUPPORT_H
  16
  17 #include <time.h>
  18 #include "types.h"
  19
  20 #ifdef HAVE_SYS_TIME_H
  21 #include <sys/time.h>
  22 #endif
  23
  24 int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y);
  25 int timeval_add_time(struct timeval *result, long sec, long usec);
  26 int timeval_compare(const struct timeval *x, const struct timeval *y);
  27
  28 /** @returns gettimeofday() timeval as 64-bit in ms */
  29 int64_t timeval_ms(void);
  30
  31 struct duration {
  32         struct timeval start;
  33         struct timeval elapsed;
  34 };
  35
  36 /** Update the duration->start field to start the @a duration measurement. */
  37 int duration_start(struct duration *duration);
  38 /** Update the duration->elapsed field to finish the @a duration measurement. */
  39 int duration_measure(struct duration *duration);
  40
  41 /** @returns Elapsed time in seconds. */
  42 float duration_elapsed(const struct duration *duration);
  43 /** @returns KB/sec for the elapsed @a duration and @a count bytes. */
  44 float duration_kbps(const struct duration *duration, size_t count);
  45
  46 #endif /* OPENOCD_HELPER_TIME_SUPPORT_H */