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- /* $Id$ */
- /*
- * Copyright (c) 2001-2010 Aaron Turner <aturner at synfin dot net>
- * Copyright (c) 2013-2024 Fred Klassen <tcpreplay at appneta dot com> - AppNeta
- *
- * The Tcpreplay Suite of tools is free software: you can redistribute it
- * and/or modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or with the authors permission any later version.
- *
- * The Tcpreplay Suite is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Tcpreplay Suite. If not, see <http://www.gnu.org/licenses/>.
- */
- #include "timer.h"
- #include "config.h"
- #include <stdlib.h>
- /* Miscellaneous timeval/timespec routines */
- /* Divide tvs by div, storing the result in tvs */
- void
- timesdiv_float(struct timespec *tvs, float div)
- {
- double interval;
- if (div == 0.0 || div == 1.0)
- return;
- interval = ((double)tvs->tv_sec * 1000000000.0 + (double)tvs->tv_nsec) / (double)div;
- tvs->tv_sec = (time_t)interval / (time_t)1000000000;
- tvs->tv_nsec = (time_t)interval - (tvs->tv_sec * 1000000000);
- }
- void
- init_timestamp(struct timespec *timestamp)
- {
- timesclear(timestamp);
- }
- int
- get_current_time(struct timespec *ts)
- {
- #if defined CLOCK_MONOTONIC || defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 199309L
- return clock_gettime(CLOCK_MONOTONIC, ts);
- #else
- struct timeval tv;
- int success = gettimeofday(&tv, NULL);
- TIMEVAL_TO_TIMESPEC(&tv, ts);
- return success;
- #endif
- }
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