/*
* Soft: Keepalived is a failover program for the LVS project
* <www.linuxvirtualserver.org>. It monitor & manipulate
* a loadbalanced server pool using multi-layer checks.
*
* Part: old_socket.c
*
* Author: Alexandre Cassen, <acassen@linux-vs.org>
*
* This program 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 General Public License for more details.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Copyright (C) 2001-2016 Alexandre Cassen, <acassen@gmail.com>
*/
#include "config.h"
#include <sys/socket.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include "old_socket.h"
#include "logger.h"
bool set_sock_flags(int fd, int cmd, long flags)
{
/* This is slightly odd. The man page for fcntl says that the
parameter passed to F_SETFD/F_SETFL is a long, but fnctl
only returns an int to F_GETFD/F_GETFL */
long sock_flags;
int get_cmd = (cmd == F_SETFD) ? F_GETFD : F_GETFL;
if ((sock_flags = fcntl(fd, get_cmd)) == -1) {
log_message(LOG_INFO, "Netlink: Cannot get socket flags : (%s)", strerror(errno));
return true;
}
if (fcntl(fd, cmd, sock_flags | flags) < 0) {
log_message(LOG_INFO, "Netlink: Cannot set socket flags: (%s)", strerror(errno));
return true;
}
return false;
}