src/helper/time_support_common.c

   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 #ifdef HAVE_CONFIG_H
  15 #include "config.h"
  16 #endif
  17
  18 #include "time_support.h"
  19
  20 /* simple and low overhead fetching of ms counter. Use only
  21  * the difference between ms counters returned from this fn.
  22  */
  23 int64_t timeval_ms(void)
  24 {
  25         struct timeval now;
  26         int retval = gettimeofday(&now, NULL);
  27         if (retval < 0)
  28                 return retval;
  29         return (int64_t)now.tv_sec * 1000 + now.tv_usec / 1000;
  30 }