//
// Copyright 2026 Aarav Ravindra Kharade
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
/* Copyright (C) 2007-2026 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
. */
#ifndef _SYS_EVENTFD_H
#define _SYS_EVENTFD_H 1
#include
/* Get the platform-dependent flags. */
#include
/* Type for event counter. */
typedef uint64_t eventfd_t;
__BEGIN_DECLS
/* Return file descriptor for generic event channel. Set initial
value to COUNT. */
extern int eventfd (unsigned int __count, int __flags) __THROW;
/* Read event counter and possibly wait for events. */
extern int eventfd_read (int __fd, eventfd_t *__value);
/* Increment event counter. */
extern int eventfd_write (int __fd, eventfd_t __value);
__END_DECLS
#endif /* sys/eventfd.h */