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Diffstat (limited to 'include/ouroboros/time_utils.h')
| -rw-r--r-- | include/ouroboros/time_utils.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/include/ouroboros/time_utils.h b/include/ouroboros/time_utils.h deleted file mode 100644 index 872c9963..00000000 --- a/include/ouroboros/time_utils.h +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2024 - * - * Time utilities - * - * Dimitri Staessens <dimitri@ouroboros.rocks> - * Sander Vrijders <sander@ouroboros.rocks> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * version 2.1 as published by the Free Software Foundation. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., http://www.fsf.org/about/contact/. - */ - -#ifndef OUROBOROS_LIB_TIME_UTILS_H -#define OUROBOROS_LIB_TIME_UTILS_H - -#ifdef MILLION -#undef MILLION -#endif - -#ifdef BILLION -#undef BILLION -#endif - -#define MILLION 1000000L -#define BILLION 1000000000L - -#include <time.h> -#include <sys/time.h> - -/* functions for timespecs */ -#define ts_diff_ns(t0, tx) (((tx)->tv_sec - (t0)->tv_sec) * BILLION \ - + ((tx)->tv_nsec - (t0)->tv_nsec)) -#define ts_diff_us(t0, tx) (((tx)->tv_sec - (t0)->tv_sec) * MILLION \ - + ((tx)->tv_nsec - (t0)->tv_nsec) / 1000L) -#define ts_diff_ms(t0, tx) (((tx)->tv_sec - (t0)->tv_sec) * 1000L \ - + ((tx)->tv_nsec - (t0)->tv_nsec) / MILLION) - -/* functions for timevals are the same */ -#define tv_diff_us(t0, tx) (((tx)->tv_sec - (t0)->tv_sec) * MILLION \ - + ((tx)->tv_usec - (t0)->tv_usec) / 1000L) -#define tv_diff_ms(t0, tx) (((tx)->tv_sec - (t0)->tv_sec) * 1000L \ - + ((tx)->tv_usec - (t0)->tv_usec) / MILLION) - -/* functions for timespecs */ - -#define ts_add(t, intv, res) \ - do { \ - time_t nanos = 0; \ - nanos = (t)->tv_nsec + (intv)->tv_nsec; \ - (res)->tv_sec = (t)->tv_sec + (intv)->tv_sec; \ - while (nanos >= BILLION) { \ - nanos -= BILLION; \ - ++((res)->tv_sec); \ - } \ - (res)->tv_nsec = nanos; \ - } while (0); - -#define ts_diff(t, intv, res) \ - do { \ - time_t nanos = 0; \ - nanos = (t)->tv_nsec - (intv)->tv_nsec; \ - (res)->tv_sec = (t)->tv_sec - (intv)->tv_sec; \ - while (nanos < 0) { \ - nanos += BILLION; \ - --((res)->tv_sec); \ - } \ - (res)->tv_nsec = nanos; \ - } while (0); - -/* functions for timevals */ - -#define tv_add(t, intv, res) \ - do { \ - time_t micros = 0; \ - micros = (t)->tv_usec + (intv)->tv_usec; \ - (res)->tv_sec = (t)->tv_sec + (intv)->tv_sec; \ - while (micros >= MILLION) { \ - micros -= MILLION; \ - ++((res)->tv_sec); \ - } \ - (res)->tv_usec = micros; \ - } while (0); - -#define tv_diff(t, intv, res) \ - do { \ - time_t micros = 0; \ - micros = (t)->tv_usec - (intv)->tv_usec; \ - (res)->tv_sec = (t)->tv_sec - (intv)->tv_sec; \ - while (micros < 0) { \ - micros += MILLION; \ - --((res)->tv_sec); \ - } \ - (res)->tv_usec = micros; \ - } while (0); - - -/* copying a timeval into a timespec */ -#define tv_to_ts(tv, ts) \ - do { \ - (ts)->tv_sec = (tv)->tv_sec; \ - (ts)->tv_nsec = (tv)->tv_usec * 1000L; \ - } while (0); - -/* copying a timespec into a timeval (loss of resolution) */ -#define ts_to_tv(ts, tv) \ - do { \ - (tv)->tv_sec = (ts)->tv_sec; \ - (tv)->tv_usec = (ts)->tv_nsec / 1000L; \ - } while (0); - -#endif /* OUROBOROS_LIB_TIME_UTILS_H */ |