/*-
 * Copyright (c) 2025 The FreeBSD Foundation
 * Copyright (c) 2025 Jean-Sébastien Pédron
 *
 * This software was developed by Jean-Sébastien Pédron under sponsorship
 * from the FreeBSD Foundation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef	_LINUXKPI_LINUX_EVENTFD_H_
#define	_LINUXKPI_LINUX_EVENTFD_H_

#include <sys/eventfd.h>

#include <linux/wait.h>
#include <linux/err.h>
#include <linux/percpu-defs.h>
#include <linux/percpu.h>
#include <linux/sched.h>

/*
 * Linux uses `struct eventfd_ctx`, but FreeBSD defines `struct eventfd`. Here,
 * we define a synonym to the FreeBSD structure. This allows to keep Linux code
 * unmodified.
 */
#define	eventfd_ctx eventfd

#define	eventfd_ctx_fdget lkpi_eventfd_ctx_fdget
struct eventfd_ctx *lkpi_eventfd_ctx_fdget(int fd);

#define	eventfd_ctx_put lkpi_eventfd_ctx_put
void lkpi_eventfd_ctx_put(struct eventfd_ctx *ctx);

#endif /* _LINUXKPI_LINUX_EVENTFD_H_ */