/*
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2026 The FreeBSD Foundation
 *
 * This software was developed by Aymeric Wibo <obiwac@freebsd.org>
 * under sponsorship from the FreeBSD Foundation.
 */

#include <sys/power.h>

#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>

static void
usage(void)
{
        (void)fprintf(stderr, "usage: zzz\n");
        exit(1);
}

int
main(int argc, char *argv[])
{
        int powerfd;
        enum power_transition trans;

        (void)argv;
        if (argc > 1)
                usage();

        powerfd = open(_PATH_DEVPOWER, O_RDWR);
        if (powerfd < 0)
                err(EX_OSFILE, "could not open power device");

        trans = POWER_TRANSITION_SUSPEND;
        if (ioctl(powerfd, PIOTRANSITION, &trans) != 0)
                err(EX_IOERR, "could not request suspend transition");

        return (EXIT_SUCCESS);
}