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72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
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/* Copyright (C) 1992, 1993, 1994 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 <hurd.h>
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#include <hurd/fd.h>
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#include <sys/socket.h>
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#include <hurd/socket.h>
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#include <fcntl.h>
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#include <string.h>
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/* Await a connection on socket FD.
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When a connection arrives, open a new socket to communicate with it,
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set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
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peer and *ADDR_LEN to the address's actual length, and return the
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new socket's descriptor, or -1 for errors. */
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int
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DEFUN(accept, (fd, addr, addr_len),
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int fd AND struct sockaddr *addr AND size_t *addr_len)
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{
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error_t err;
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socket_t new;
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addr_port_t aport;
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char *buf = (char *) addr;
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mach_msg_type_number_t buflen = *addr_len;
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int type;
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if (err = HURD_DPORT_USE (fd, __socket_accept (port, &new, &aport)))
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return __hurd_dfail (fd, err);
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if (addr != NULL)
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err = __socket_whatis_address (aport, &type, &buf, &buflen);
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__mach_port_deallocate (__mach_task_self (), aport);
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if (err)
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{
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__mach_port_deallocate (__mach_task_self (), new);
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return __hurd_dfail (fd, err);
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}
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if (addr != NULL)
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{
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if (buf != (char *) addr)
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{
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if (*addr_len < buflen)
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*addr_len = buflen;
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memcpy (addr, buf, *addr_len);
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__vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
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}
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addr->sa_family = type;
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}
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return _hurd_intern_fd (new, O_IGNORE_CTTY, 1);
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}
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