/* libhw_cr/host_util.h - Utilities for GNU/Linux hosts
 *
 * Copyright (C) 2024-2025  Luke T. Shumaker <lukeshu@lukeshu.com>
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

#ifndef _LIBHW_CR_HOST_UTIL_H_
#define _LIBHW_CR_HOST_UTIL_H_

#include <stdint.h>   /* for uint{n}_t */
#include <sys/time.h> /* for struct timeval */
#include <time.h>     /* for struct timespec */

int host_sigrt_alloc(void);

typedef struct timeval  host_us_time_t;
typedef struct timespec host_ns_time_t;

host_us_time_t ns_to_host_us_time(uint64_t time_ns);
host_ns_time_t ns_to_host_ns_time(uint64_t time_ns);
uint64_t ns_from_host_us_time(host_us_time_t host_time);
uint64_t ns_from_host_ns_time(host_ns_time_t host_time);

#endif /* _LIBHW_CR_HOST_UTIL_H_ */