| /* |
| * 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. |
| */ |
| int readn (int, u_char *, int); |
| 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 */ |