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- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /*
- * @OSF_FREE_COPYRIGHT@
- */
- /*
- * Mach Operating System
- * Copyright (c) 1991,1990,1989 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
- /*
- */
- /*
- * File: mach/mach_port.defs
- * Author: Rich Draves
- *
- * Exported kernel calls.
- */
-
- subsystem
- #if KERNEL_SERVER
- KernelServer
- #endif KERNEL_SERVER
- mach_port 3200;
-
- #include <mach/std_types.defs>
- #include <mach/mach_types.defs>
- #include <mach_debug/mach_debug_types.defs>
-
- /*
- * Returns the set of port and port set names
- * to which the target task has access, along with
- * the type (set or port) for each name.
- */
-
- routine mach_port_names(
- task : ipc_space_t;
- out names : mach_port_name_array_t;
- out types : mach_port_type_array_t);
-
- /*
- * Returns the type (set or port) for the port name
- * within the target task. Also indicates whether
- * there is a dead-name request for the name.
- */
-
- routine mach_port_type(
- task : ipc_space_t;
- name : mach_port_name_t;
- out ptype : mach_port_type_t);
-
- /*
- * Changes the name by which a port (or port set) is known to
- * the target task. The new name can't be in use. The
- * old name becomes available for recycling.
- */
-
- routine mach_port_rename(
- task : ipc_space_t;
- old_name : mach_port_name_t;
- new_name : mach_port_name_t);
-
- /*
- * Allocates the specified kind of object, with the given name.
- * The right must be one of
- * MACH_PORT_RIGHT_RECEIVE
- * MACH_PORT_RIGHT_PORT_SET
- * MACH_PORT_RIGHT_DEAD_NAME
- * New port sets are empty. New ports don't have any
- * send/send-once rights or queued messages. The make-send
- * count is zero and their queue limit is MACH_PORT_QLIMIT_DEFAULT.
- * New sets, ports, and dead names have one user reference.
- */
-
- routine mach_port_allocate_name(
- task : ipc_space_t;
- right : mach_port_right_t;
- name : mach_port_name_t);
-
- /*
- * Allocates the specified kind of object.
- * The right must be one of
- * MACH_PORT_RIGHT_RECEIVE
- * MACH_PORT_RIGHT_PORT_SET
- * MACH_PORT_RIGHT_DEAD_NAME
- * Like port_allocate_name, but the kernel picks a name.
- * It can use any name not associated with a right.
- */
-
- routine mach_port_allocate(
- task : ipc_space_t;
- right : mach_port_right_t;
- out name : mach_port_name_t);
-
- /*
- * Destroys all rights associated with the name and makes it
- * available for recycling immediately. The name can be a
- * port (possibly with multiple user refs), a port set, or
- * a dead name (again, with multiple user refs).
- */
-
- routine mach_port_destroy(
- task : ipc_space_t;
- name : mach_port_name_t);
-
- /*
- * Releases one send/send-once/dead-name user ref.
- * Just like mach_port_mod_refs -1, but deduces the
- * correct type of right. This allows a user task
- * to release a ref for a port without worrying
- * about whether the port has died or not.
- */
-
- routine mach_port_deallocate(
- task : ipc_space_t;
- name : mach_port_name_t);
-
- /*
- * A port set always has one user ref.
- * A send-once right always has one user ref.
- * A dead name always has one or more user refs.
- * A send right always has one or more user refs.
- * A receive right always has one user ref.
- * The right must be one of
- * MACH_PORT_RIGHT_RECEIVE
- * MACH_PORT_RIGHT_PORT_SET
- * MACH_PORT_RIGHT_DEAD_NAME
- * MACH_PORT_RIGHT_SEND
- * MACH_PORT_RIGHT_SEND_ONCE
- */
-
- routine mach_port_get_refs(
- task : ipc_space_t;
- name : mach_port_name_t;
- right : mach_port_right_t;
- out refs : mach_port_urefs_t);
-
- /*
- * The delta is a signed change to the task's
- * user ref count for the right. Only dead names
- * and send rights can have a positive delta.
- * The resulting user ref count can't be negative.
- * If it is zero, the right is deallocated.
- * If the name isn't a composite right, it becomes
- * available for recycling. The right must be one of
- * MACH_PORT_RIGHT_RECEIVE
- * MACH_PORT_RIGHT_PORT_SET
- * MACH_PORT_RIGHT_DEAD_NAME
- * MACH_PORT_RIGHT_SEND
- * MACH_PORT_RIGHT_SEND_ONCE
- */
-
- routine mach_port_mod_refs(
- task : ipc_space_t;
- name : mach_port_name_t;
- right : mach_port_right_t;
- delta : mach_port_delta_t);
-
- /*
- * Allocates a new receive right, and associates it with the
- * specified RPC subsystem attributes.
- */
- routine mach_port_allocate_subsystem(
- task : ipc_space_t;
- subsys : subsystem_t;
- out name : mach_port_name_t);
-
- /*
- * Only valid for receive rights.
- * Sets the make-send count for the port.
- */
- routine mach_port_set_mscount(
- task : ipc_space_t;
- name : mach_port_name_t;
- mscount : mach_port_mscount_t);
-
- /*
- * Only valid for port sets. Returns a list of
- * the members.
- */
-
- routine mach_port_get_set_status(
- task : ipc_space_t;
- name : mach_port_name_t;
- out members : mach_port_name_array_t);
-
- /*
- * Puts the member port (the task must have receive rights)
- * into the after port set. (Or removes it from any port set
- * if after is MACH_PORT_NULL.) If the port is already in
- * a set, does an atomic move.
- */
-
- routine mach_port_move_member(
- task : ipc_space_t;
- member : mach_port_name_t;
- after : mach_port_name_t);
-
- /*
- * Requests a notification from the kernel. The request
- * must supply the send-once right which is used for
- * the notification. If a send-once right was previously
- * registered, it is returned. The msg_id must be one of
- * MACH_NOTIFY_PORT_DESTROYED (receive rights)
- * MACH_NOTIFY_DEAD_NAME (send/receive/send-once rights)
- * MACH_NOTIFY_NO_SENDERS (receive rights)
- *
- * The sync value specifies whether a notification should
- * get sent immediately, if appropriate. The exact meaning
- * depends on the notification:
- * MACH_NOTIFY_PORT_DESTROYED: must be zero.
- * MACH_NOTIFY_DEAD_NAME: if non-zero, then name can be dead,
- * and the notification gets sent immediately.
- * If zero, then name can't be dead.
- * MACH_NOTIFY_NO_SENDERS: the notification gets sent
- * immediately if the current mscount is greater
- * than or equal to the sync value and there are no
- * extant send rights.
- */
-
- routine mach_port_request_notification(
- task : ipc_space_t;
- name : mach_port_name_t;
- msgid : mach_msg_id_t;
- sync : mach_port_mscount_t;
- notify : mach_port_send_once_t;
- out previous : mach_port_move_send_once_t);
-
- /*
- * Inserts the specified rights into the target task,
- * using the specified name. If inserting send/receive
- * rights and the task already has send/receive rights
- * for the port, then the names must agree. In any case,
- * the task gains a user ref for the port.
- */
-
- routine mach_port_insert_right(
- task : ipc_space_t;
- name : mach_port_name_t;
- poly : mach_port_poly_t);
-
- /*
- * Returns the specified right for the named port
- * in the target task, extracting that right from
- * the target task. The target task loses a user
- * ref and the name may be available for recycling.
- * msgt_name must be one of
- * MACH_MSG_TYPE_MOVE_RECEIVE
- * MACH_MSG_TYPE_COPY_SEND
- * MACH_MSG_TYPE_MAKE_SEND
- * MACH_MSG_TYPE_MOVE_SEND
- * MACH_MSG_TYPE_MAKE_SEND_ONCE
- * MACH_MSG_TYPE_MOVE_SEND_ONCE
- */
-
- routine mach_port_extract_right(
- task : ipc_space_t;
- name : mach_port_name_t;
- msgt_name : mach_msg_type_name_t;
- out poly : mach_port_poly_t);
-
- /*
- * Only valid for receive rights.
- * Sets the sequence number for the port.
- */
-
- routine mach_port_set_seqno(
- task : ipc_space_t;
- name : mach_port_name_t;
- seqno : mach_port_seqno_t);
-
- /*
- * Returns information about a port.
- */
-
- routine mach_port_get_attributes(
- task : ipc_space_t;
- name : mach_port_name_t;
- flavor : mach_port_flavor_t;
- out port_info_out : mach_port_info_t, CountInOut);
-
- /*
- * Set attributes of a port
- */
-
- routine mach_port_set_attributes(
- task : ipc_space_t;
- name : mach_port_name_t;
- flavor : mach_port_flavor_t;
- port_info : mach_port_info_t);
-
-
- /*
- * Allocates the specified kind of object, qos version.
- * The right must be
- * MACH_PORT_RIGHT_RECEIVE
- * Like port_allocate_name, but the kernel picks a name.
- * It can use any name not associated with a right.
- */
-
- routine mach_port_allocate_qos(
- task : ipc_space_t;
- right : mach_port_right_t;
- inout qos : mach_port_qos_t;
- out name : mach_port_name_t);
-
- /*
- * Generic interface to allocation various kinds of ports.
- * Should never be called directly by users (at least not
- * unless they are exceedingly masochistic).
- */
-
- routine mach_port_allocate_full(
- task : ipc_space_t;
- right : mach_port_right_t;
- subs : subsystem_t;
- inout qos : mach_port_qos_t;
- inout name : mach_port_name_t);
-
-
- /*
- * Pre-expand task port name space.
- */
- routine task_set_port_space(
- task : ipc_space_t;
- table_entries : int);
-
-
- /*
- * Returns the exact number of extant send rights
- * for the given receive right.
- * This call is only valid on MACH_IPC_DEBUG kernels.
- * Otherwise, KERN_FAILURE is returned.
- */
- routine mach_port_get_srights(
- task : ipc_space_t;
- name : mach_port_name_t;
- out srights : mach_port_rights_t);
-
-
- /*
- * Returns information about an IPC space.
- * This call is only valid on MACH_IPC_DEBUG kernels.
- * Otherwise, KERN_FAILURE is returned.
- */
- routine mach_port_space_info(
- task : ipc_space_t;
- out info : ipc_info_space_t;
- out table_info : ipc_info_name_array_t,
- Dealloc;
- out tree_info : ipc_info_tree_name_array_t,
- Dealloc);
-
- /*
- * Returns information about the dead-name requests
- * registered with the named receive right.
- * This call is only valid on MACH_IPC_DEBUG kernels.
- * Otherwise, KERN_FAILURE is returned.
- */
- routine mach_port_dnrequest_info(
- task : ipc_space_t;
- name : mach_port_name_t;
- out total : unsigned; /* total size of table */
- out used : unsigned); /* amount used */
-
- /*
- * Return the type and address of the kernel object
- * that the given send/receive right represents.
- * This call is only valid on MACH_IPC_DEBUG kernels.
- * Otherwise, KERN_FAILURE is returned.
- */
- routine mach_port_kernel_object(
- task : ipc_space_t;
- name : mach_port_name_t;
- out object_type : unsigned;
- out object_addr : vm_offset_t);
-
-
- /*
- * Inserts the specified rights into the portset identified
- * by the <task, pset> pair. The results of passing in the
- * Poly argument via the supplied disposition must yield a
- * receive right.
- *
- * If the <task,pset> pair does not represent a valid portset
- * KERN_INVALID_RIGHT is returned.
- *
- * If the passed in name argument does not represent a receive
- * right, KERN_INVALID_CAPABILITY will be returned.
- *
- * If the port represented by the receive right is already in
- * the portset, KERN_ALREADY_IN_SET is returned.
- */
- routine mach_port_insert_member(
- task : ipc_space_t;
- name : mach_port_name_t;
- pset : mach_port_name_t);
-
- /*
- * Extracts the specified right from the named portset
- * in the target task.
- * the target task. The target task loses a user
- * ref and the name may be available for recycling.
- * msgt_name must be one of
- * MACH_MSG_TYPE_MOVE_RECEIVE
- * MACH_MSG_TYPE_COPY_SEND
- * MACH_MSG_TYPE_MAKE_SEND
- * MACH_MSG_TYPE_MOVE_SEND
- * MACH_MSG_TYPE_MAKE_SEND_ONCE
- * MACH_MSG_TYPE_MOVE_SEND_ONCE
- */
-
- routine mach_port_extract_member(
- task : ipc_space_t;
- name : mach_port_name_t;
- pset : mach_port_name_t);
-
-