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2da59394ec
watchquagga is already leaking an open file descriptor on its pid file on fork+exec() invocations; next up is adding vtysh support with even more fds. Mark things CLOEXEC before going there. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/*
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* Network library header.
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* Copyright (C) 1998 Kunihiro Ishiguro
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _ZEBRA_NETWORK_H
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#define _ZEBRA_NETWORK_H
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/* Both readn and writen are deprecated and will be removed. They are not
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suitable for use with non-blocking file descriptors.
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*/
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extern int readn (int, u_char *, int);
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extern int writen (int, const u_char *, int);
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/* Set the file descriptor to use non-blocking I/O. Returns 0 for success,
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-1 on error. */
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extern int set_nonblocking(int fd);
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extern int set_cloexec(int fd);
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/* Does the I/O error indicate that the operation should be retried later? */
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#define ERRNO_IO_RETRY(EN) \
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(((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR))
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extern float htonf (float);
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extern float ntohf (float);
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#endif /* _ZEBRA_NETWORK_H */
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