/*
 * The Rin Library – time module
 *
 * Copyright (C) 2017 Gediminas Jakutis
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; version 2.1
 * of the License.
 *
 * This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef LIBRIN_TIME_INCLUDED
#define LIBRIN_TIME_INCLUDED

#include <sys/time.h>

/* benchmarking related */

struct rin_bench_result {
	struct timespec wall;
	struct timeval system;
	struct timeval user;
	struct timeval total;
};

int rin_bench_start(void);
int rin_bench_stop(struct rin_bench_result *res);

/* time data types related */

struct timespec rin_time_add(const struct timespec * const a, const struct timespec * const b);
struct timespec rin_time_sub(const struct timespec * const a, const struct timespec * const b);
struct timespec rin_time_normalize(const struct timespec * const t);
struct timeval rin_timeval_add(const struct timeval * const a, const struct timeval * const b);
struct timeval rin_timeval_sub(const struct timeval * const a, const struct timeval * const b);
struct timeval rin_timeval_normalize(const struct timeval * const t);
long int rin_time_cmp(const struct timespec * const a, const struct timespec * const b);
long int rin_timeval_cmp(const struct timeval * const a, const struct timeval * const b);
unsigned int rin_time_cmp_less(const struct timespec * const a, const struct timespec * const b);
unsigned int rin_time_cmp_more(const struct timespec * const a, const struct timespec * const b);
unsigned int rin_time_cmp_lessequal(const struct timespec * const a, const struct timespec * const b);
unsigned int rin_time_cmp_moreequal(const struct timespec * const a, const struct timespec * const b);
unsigned int rin_time_cmp_equal(const struct timespec * const a, const struct timespec * const b);
unsigned int rin_time_cmp_nonequal(const struct timespec * const a, const struct timespec * const b);
unsigned int rin_timeval_cmp_less(const struct timeval * const a, const struct timeval * const b);
unsigned int rin_timeval_cmp_more(const struct timeval * const a, const struct timeval * const b);
unsigned int rin_timeval_cmp_lessequal(const struct timeval * const a, const struct timeval * const b);
unsigned int rin_timeval_cmp_moreequal(const struct timeval * const a, const struct timeval * const b);
unsigned int rin_timeval_cmp_equal(const struct timeval * const a, const struct timeval * const b);
unsigned int rin_timeval_cmp_nonequal(const struct timeval * const a, const struct timeval * const b);

#endif /* LIBRIN_TIME_INCLUDED */