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be7e3b7e7e
* sysdeps/mach/hurd/bind.c: Translate EEXIST from dir_link into EADDRINUSE. If translated node doesn't grok ifsock protocol, return EADDRINUSE. * sysdeps/mach/hurd/connect.c: Make address arg `const struct sockaddr_un *'. The redecl is kosher and avoids another variable for AF_LOCAL case. * sysdeps/mach/hurd/sendto.c: Likewise. * sysdeps/mach/hurd/bind.c: Likewise. * socket/sys/socket.h (__SOCKADDR_ARG): Enable transparent_union code for GCC >= 2.7; use __transparent_union__ for name safety; add several sockaddr flavors. (__SOCKADDR_ALLTYPES, __SOCKADDR_ONETYPE): New macros used in constructing the transparent union declarations. (__CONST_SOCKADDR_ARG): New type (or macro if not GCC 2.7). (bind, connect, sendto): Make the sockaddr argument use that.
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <errno.h>
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#include <sys/socket.h>
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#include <hurd.h>
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#include <hurd/socket.h>
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#include <hurd/fd.h>
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#include <sys/un.h>
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#include <hurd/ifsock.h>
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/* Send N bytes of BUF on socket FD to peer at address ADDR (which is
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ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
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int
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DEFUN(sendto, (fd, buf, n, flags, addr, addr_len),
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int fd AND PTR buf AND size_t n AND int flags AND
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const struct sockaddr_un *addr AND size_t addr_len)
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{
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addr_port_t aport;
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error_t err;
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int wrote;
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if (addr->sun_family == AF_LOCAL)
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{
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/* For the local domain, we must look up the name as a file and talk
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to it with the ifsock protocol. */
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file_t file = __file_name_lookup (addr->sun_path, 0, 0);
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if (file == MACH_PORT_NULL)
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return -1;
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err = __ifsock_getsockaddr (file, &aport);
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__mach_port_deallocate (__mach_task_self (), file);
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if (err == MIG_BAD_ID || err == EOPNOTSUPP)
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/* The file did not grok the ifsock protocol. */
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err = ENOTSOCK;
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if (err)
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return __hurd_fail (err);
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}
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else
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err = EIEIO;
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/* Get an address port for the desired destination address. */
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err = HURD_DPORT_USE (fd,
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({
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if (err)
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err = __socket_create_address (port,
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addr->sun_family,
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(char *) addr,
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addr_len,
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&aport);
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if (! err)
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{
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/* Send the data. */
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err = __socket_send (port, aport,
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flags, buf, n,
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NULL,
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MACH_MSG_TYPE_COPY_SEND, 0,
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NULL, 0, &wrote);
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__mach_port_deallocate (__mach_task_self (),
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aport);
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}
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err;
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}));
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return err ? __hurd_dfail (fd, err) : wrote;
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}
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