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/*
* Network library header.
* Copyright (C) 1998 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
*
* GNU Zebra 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, or (at your option) any
* later version.
*
* GNU Zebra 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.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef _ZEBRA_NETWORK_H
#define _ZEBRA_NETWORK_H
/* Both readn and writen are deprecated and will be removed. They are not
suitable for use with non-blocking file descriptors.
*/
extern int readn (int, u_char *, int);
extern int writen (int, const u_char *, int);
/* Set the file descriptor to use non-blocking I/O. Returns 0 for success,
-1 on error. */
extern int set_nonblocking(int fd);
/* Does the I/O error indicate that the operation should be retried later? */
#define ERRNO_IO_RETRY(EN) \
(((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR))
#endif /* _ZEBRA_NETWORK_H */
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