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git.proxmox.com Git - mirror_frr.git/blob - lib/network.h
2 * Network library header.
3 * Copyright (C) 1998 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
7 * GNU Zebra is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
12 * GNU Zebra is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; see the file COPYING; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef _ZEBRA_NETWORK_H
23 #define _ZEBRA_NETWORK_H
29 /* Both readn and writen are deprecated and will be removed. They are not
30 suitable for use with non-blocking file descriptors.
32 extern int readn(int, uint8_t *, int);
33 extern int writen(int, const uint8_t *, int);
35 /* Set the file descriptor to use non-blocking I/O. Returns 0 for success,
37 extern int set_nonblocking(int fd
);
39 extern int set_cloexec(int fd
);
41 /* Does the I/O error indicate that the operation should be retried later? */
42 #define ERRNO_IO_RETRY(EN) \
43 (((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR))
45 extern float htonf(float);
46 extern float ntohf(float);
48 extern long frr_weak_random(void);
54 #endif /* _ZEBRA_NETWORK_H */