mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/* Copyright (C) 1992, 1993, 1994, 1997 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 <hurd.h>
|
|
#include <hurd/fd.h>
|
|
#include <sys/socket.h>
|
|
#include <hurd/socket.h>
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
|
|
/* Await a connection on socket FD.
|
|
When a connection arrives, open a new socket to communicate with it,
|
|
set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
|
|
peer and *ADDR_LEN to the address's actual length, and return the
|
|
new socket's descriptor, or -1 for errors. */
|
|
int
|
|
DEFUN(accept, (fd, addr, addr_len),
|
|
int fd AND struct sockaddr *addr AND size_t *addr_len)
|
|
{
|
|
error_t err;
|
|
socket_t new;
|
|
addr_port_t aport;
|
|
char *buf = (char *) addr;
|
|
mach_msg_type_number_t buflen;
|
|
int type;
|
|
|
|
if (err = HURD_DPORT_USE (fd, __socket_accept (port, &new, &aport)))
|
|
return __hurd_dfail (fd, err);
|
|
|
|
if (addr != NULL)
|
|
{
|
|
buflen = *addr_len;
|
|
err = __socket_whatis_address (aport, &type, &buf, &buflen);
|
|
if (err == EOPNOTSUPP)
|
|
/* If the protocol server can't tell us the address, just return a
|
|
zero-length one. */
|
|
{
|
|
buf = (char *)addr;
|
|
buflen = 0;
|
|
err = 0;
|
|
}
|
|
}
|
|
__mach_port_deallocate (__mach_task_self (), aport);
|
|
|
|
if (err)
|
|
{
|
|
__mach_port_deallocate (__mach_task_self (), new);
|
|
return __hurd_dfail (fd, err);
|
|
}
|
|
|
|
if (addr != NULL)
|
|
{
|
|
if (buf != (char *) addr)
|
|
{
|
|
if (*addr_len < buflen)
|
|
*addr_len = buflen;
|
|
memcpy (addr, buf, *addr_len);
|
|
__vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
|
|
}
|
|
|
|
if (buflen > 0)
|
|
addr->sa_family = type;
|
|
}
|
|
|
|
return _hurd_intern_fd (new, O_IGNORE_CTTY, 1);
|
|
}
|