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/* Copyright (C) 2004-2020 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
<https://www.gnu.org/licenses/>. */
#ifndef _NETLINKACCESS_H
#define _NETLINKACCESS_H 1
#include <stdint.h>
#include <sys/types.h>
#include <asm/types.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
struct netlink_res
{
struct netlink_res *next;
struct nlmsghdr *nlh;
size_t size; /* Size of response. */
uint32_t seq; /* sequential number we used. */
};
struct netlink_handle
{
int fd; /* Netlink file descriptor. */
pid_t pid; /* Process ID. */
uint32_t seq; /* The sequence number we use currently. */
struct netlink_res *nlm_list; /* Pointer to list of responses. */
struct netlink_res *end_ptr; /* For faster append of new entries. */
};
extern int __netlink_open (struct netlink_handle *h) attribute_hidden;
extern void __netlink_close (struct netlink_handle *h) attribute_hidden;
extern void __netlink_free_handle (struct netlink_handle *h)
attribute_hidden;
extern int __netlink_request (struct netlink_handle *h, int type)
attribute_hidden;
/* Terminate the process if RESULT is an invalid recvmsg result for
the netlink socket FD. */
void __netlink_assert_response (int fd, ssize_t result);
libc_hidden_proto (__netlink_assert_response)
#endif /* netlinkaccess.h */
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