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518eeaeeca
Get rid of the msg_peek() function, which has a problem. If there was less data in the socket buffer than requested by the caller, the function would busy loop, as select(2) will always return immediately. We can just receive nvlhdr now, because some time ago we splitted receive of data from the receive of descriptors. MFC after: 1 week
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/*-
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* Copyright (c) 2013 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Pawel Jakub Dawidek under sponsorship from
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* the FreeBSD Foundation.
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*
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* Copyright (c) 2013 Mariusz Zaborski <oshogbo@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MSGIO_H_
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#define _MSGIO_H_
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struct cmsgcred;
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struct iovec;
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struct msghdr;
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int cred_send(int sock);
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int cred_recv(int sock, struct cmsgcred *cred);
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int fd_send(int sock, const int *fds, size_t nfds);
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int fd_recv(int sock, int *fds, size_t nfds);
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int buf_send(int sock, void *buf, size_t size);
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int buf_recv(int sock, void *buf, size_t size);
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#endif /* !_MSGIO_H_ */
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