common/time.c

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2010 Nedko Arnaudov <nedko@arnaudov.name>
   6  *
   7  **************************************************************************
   8  * This file contains implementations of functions related to time
   9  **************************************************************************
  10  *
  11  * LADI Session Handler is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * LADI Session Handler is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23  * or write to the Free Software Foundation, Inc.,
  24  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25  */
  26
  27 #include <stddef.h>
  28 #include <stdint.h>
  29 #include <sys/time.h>
  30
  31 #include "time.h"
  32
  33 /* TODO: implement this with uptime or find some other way to handle time shifts */
  34 uint64_t ladish_get_current_microseconds(void)
  35 {
  36   struct timeval time;
  37
  38   if (gettimeofday(&time, NULL) != 0)
  39     return 0;
  40
  41   return (uint64_t)time.tv_sec * 1000000 + (uint64_t)time.tv_usec;
  42 }