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- /* Copyright (C) 1992, 1993, 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 <hurd.h>
- #include <hurd/fd.h>
- #include <sys/socket.h>
- #include <hurd/socket.h>
- #include <fcntl.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;
- unsigned int buflen = *addr_len;
- int type;
-
- if (err = HURD_DPORT_USE (fd, __socket_accept (port, &new, &aport)))
- return __hurd_dfail (fd, err);
-
- if (addr != NULL)
- err = __socket_whatis_address (aport, &type, &buf, &buflen);
- __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);
- }
-
- addr->sa_family = type;
- }
-
- return _hurd_intern_fd (new, O_IGNORE_CTTY, 1);
- }
-