/*-
* SPDX-License-Identifier: MIT
*
* Copyright (c) 2005-2020 Rich Felker, et al.
* Copyright (c) 2020 Val Packett
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "namespace.h"
#include <sys/eventfd.h>
#include <sys/specialfd.h>
#include <unistd.h>
#include "un-namespace.h"
#include "libc_private.h"
int eventfd(unsigned int initval, int flags)
{
struct specialfd_eventfd args;
args.initval = initval;
args.flags = flags;
return (__sys___specialfd(SPECIALFD_EVENTFD, &args, sizeof(args)));
}
int eventfd_read(int fd, eventfd_t *value)
{
return (sizeof(*value) == _read(fd, value, sizeof(*value)) ? 0 : -1);
}
int eventfd_write(int fd, eventfd_t value)
{
return (sizeof(value) == _write(fd, &value, sizeof(value)) ? 0 : -1);
}
