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