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Languguage OS 2
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Languguage OS II Version 10-94 (Knowledge Media)(1994).ISO
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glibc108.zip
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glibc108
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sysdeps
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socketpair.c
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1994-04-26
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/* Copyright (C) 1992, 1994 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <errno.h>
#include <sys/socket.h>
#include <hurd.h>
#include <hurd/socket.h>
#include <hurd/fd.h>
#include <unistd.h>
/* Create two new sockets, of type TYPE in domain DOMAIN and using
protocol PROTOCOL, which are connected to each other, and put file
descriptors for them in FDS[0] and FDS[1]. If PROTOCOL is zero,
one will be chosen automatically. Returns 0 on success, -1 for errors. */
int
DEFUN(socketpair, (domain, type, protocol, fds),
int domain AND enum __socket_type type AND int protocol AND int fds[2])
{
error_t err;
int d1, d2;
d1 = socket (domain, type, protocol);
if (d1 < 0)
return -1;
d2 = socket (domain, type, protocol);
if (d2 < 0)
{
err = errno;
(void) close (d1);
return __hurd_fail (err);
}
if (err = HURD_DPORT_USE
(d1,
({ socket_t sock1 = port;
HURD_DPORT_USE (d2, __socket_connect2 (sock1, port)); })))
{
close (d1);
close (d2);
return __hurd_fail (err);
}
fds[0] = d1;
fds[2] = d2;
return 0;
}