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Annotation of embedaddon/quagga/lib/network.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Network library header.
                      3:  * Copyright (C) 1998 Kunihiro Ishiguro
                      4:  *
                      5:  * This file is part of GNU Zebra.
                      6:  *
                      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
                     10:  * later version.
                     11:  *
                     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.
                     16:  *
                     17:  * You should have received a copy of the GNU General Public License
                     18:  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
                     19:  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
                     20:  * 02111-1307, USA.  
                     21:  */
                     22: 
                     23: #ifndef _ZEBRA_NETWORK_H
                     24: #define _ZEBRA_NETWORK_H
                     25: 
                     26: /* Both readn and writen are deprecated and will be removed.  They are not
                     27:    suitable for use with non-blocking file descriptors.
                     28:  */
                     29: extern int readn (int, u_char *, int);
                     30: extern int writen (int, const u_char *, int);
                     31: 
                     32: /* Set the file descriptor to use non-blocking I/O.  Returns 0 for success,
                     33:    -1 on error. */
                     34: extern int set_nonblocking(int fd);
                     35: 
                     36: /* Does the I/O error indicate that the operation should be retried later? */
                     37: #define ERRNO_IO_RETRY(EN) \
                     38:        (((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR))
                     39: 
                     40: #endif /* _ZEBRA_NETWORK_H */