/* SPDX-License-Identifier: LGPL-2.1-only */

/*
 * The Rin Library – time module
 *
 * Copyright (C) 2017-2019 Gediminas Jakutis
 */

#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 */