use FD_CLOEXEC instead of tracking lists of fds
[project/netifd.git] / system.c
1 /*
2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14 #include "netifd.h"
15 #include "system.h"
16 #include <fcntl.h>
17
18 static const struct blobmsg_policy tunnel_attrs[__TUNNEL_ATTR_MAX] = {
19 [TUNNEL_ATTR_TYPE] = { "mode", BLOBMSG_TYPE_STRING },
20 [TUNNEL_ATTR_LOCAL] = { "local", BLOBMSG_TYPE_STRING },
21 [TUNNEL_ATTR_REMOTE] = { "remote", BLOBMSG_TYPE_STRING },
22 [TUNNEL_ATTR_TTL] = { "ttl", BLOBMSG_TYPE_INT32 },
23 [TUNNEL_ATTR_6RD_PREFIX] = { "6rd-prefix", BLOBMSG_TYPE_STRING },
24 [TUNNEL_ATTR_6RD_RELAY_PREFIX] = { "6rd-relay-prefix", BLOBMSG_TYPE_STRING },
25 };
26
27 const struct config_param_list tunnel_attr_list = {
28 .n_params = __TUNNEL_ATTR_MAX,
29 .params = tunnel_attrs,
30 };
31
32 void system_fd_set_cloexec(int fd)
33 {
34 #ifdef FD_CLOEXEC
35 fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
36 #endif
37 }