/* Definitions for generic IO interface
   Copyright (C) 1991,93,94,95,2002 Free Software Foundation, Inc.

This file is part of the GNU Hurd.

The GNU Hurd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

The GNU Hurd 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with the GNU Hurd; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

subsystem io_request 21000;

/* These functions are user-side stubs for the functions in io.defs;
   all the comments there apply exactly to here. */

#include <hurd/hurd_types.defs>

#ifdef IO_IMPORTS
IO_IMPORTS
#endif

type reply_port_t = MACH_MSG_TYPE_MAKE_SEND_ONCE | polymorphic
	ctype: mach_port_t;

simpleroutine io_write_request (
		io_object: io_t;
		reply: reply_port_t;
		data: data_t;
		offset: loff_t);

simpleroutine io_read_request (
		io_object: io_t;
		reply: reply_port_t;
		offset: loff_t;
		amount: vm_size_t);

simpleroutine io_seek_request (
		io_object: io_t;
		reply: reply_port_t;
		offset: loff_t;
		whence: int);

simpleroutine io_readable_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_set_all_openmodes_request (
		io_object: io_t;
		reply: reply_port_t;
		newbits: int);

simpleroutine io_get_openmodes_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_set_some_openmodes_request (
		io_object: io_t;
		reply: reply_port_t;
		bits_to_set: int);

simpleroutine io_clear_some_openmodes_request (
		io_object: io_t;
		reply: reply_port_t;
		bits_to_clear: int);

simpleroutine io_async_request (
		io_object: io_t;
		reply: reply_port_t;
		notify_port: mach_port_send_t);

simpleroutine io_mod_owner_request (
		io_object: io_t;
		reply: reply_port_t;
		owner: pid_t);

simpleroutine io_get_owner_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_get_icky_async_id_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_select_request (
		io_object: io_t;
		ureplyport reply: mach_port_make_send_t;
		select_type: int);

simpleroutine io_stat_request (
		stat_object: io_t;
		reply: reply_port_t);

/* io_reauthenticate is a simpleroutine already. */
skip;

simpleroutine io_restrict_auth_request (
		io_object: io_t;
		reply: reply_port_t;
		uids: idarray_t;
		gids: idarray_t);

simpleroutine io_duplicate_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_server_version_request (
		vers_object: io_t;
		reply: reply_port_t);

simpleroutine io_map_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_map_cntl_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_get_conch_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_release_conch_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_eofnotify_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_prenotify_request (
		io_object: io_t;
		reply: reply_port_t;
		write_start: vm_offset_t;
		write_end: vm_offset_t);

simpleroutine io_postnotify_request (
		io_object: io_t;
		reply: reply_port_t;
		write_start: vm_offset_t;
		write_end: vm_offset_t);

simpleroutine io_readnotify_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_readsleep_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_sigio_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_pathconf_request (
		io_object: io_t;
		reply: reply_port_t;
		name: int);

simpleroutine io_identity_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_revoke_request (
		io_object: io_t;
		reply: reply_port_t);

simpleroutine io_select_timeout_request (
		io_object: io_t;
		ureplyport reply: mach_port_make_send_t;
		timeout: timespec_t;
		select_type: int);