pdns/gettime.cc

   1 /*
   2  * This file is part of PowerDNS or dnsdist.
   3  * Copyright -- PowerDNS.COM B.V. and its contributors
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * In addition, for the avoidance of any doubt, permission is granted to
  10  * link this program with OpenSSL and to (re)distribute the binaries
  11  * produced as the result of such linking.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22 #include "gettime.hh"
  23 #include "config.h"
  24
  25 #ifdef HAVE_CLOCK_GETTIME
  26 #include <time.h>
  27
  28 #ifndef CLOCK_MONOTONIC_RAW
  29 #define CLOCK_MONOTONIC_RAW CLOCK_MONOTONIC
  30 #endif
  31
  32 int gettime(struct timespec *tp, bool needRealTime)
  33 {
  34         return clock_gettime(needRealTime ? CLOCK_REALTIME : CLOCK_MONOTONIC, tp);
  35 }
  36
  37 #else
  38 #include <sys/time.h>
  39
  40 int gettime(struct timespec *tp, bool needRealTime)
  41 {
  42         struct timeval tv;
  43
  44         int ret = gettimeofday(&tv, NULL);
  45         if(ret < 0) return ret;
  46
  47         tp->tv_sec = tv.tv_sec;
  48         tp->tv_nsec = tv.tv_usec * 1000;
  49         return ret;
  50 }
  51
  52 #endif