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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
- thread_act 3600;
-
- #include <mach/std_types.defs>
- #include <mach/mach_types.defs>
-
- /*
- * Destroy the target thread.
- *
- * JMM - For legacy reasons this consumes a reference to the
- * target thread. This will have to change in the future because
- * we want the interfaces to be able to be defined in more standard
- * IDLs and transports, and most of them do not support the notion
- * of reference ownership transfers (just sharing).
- */
- routine thread_terminate(
- target_act : thread_act_consume_ref_t);
-
-
- /*
- * Return the selected state information for the target
- * thr_act. If the thr_act is currently executing, the results
- * may be stale. [Flavor THREAD_STATE_FLAVOR_LIST provides a
- * list of valid flavors for the target thread.]
- */
- routine act_get_state(
- target_act : thread_act_t;
- flavor : int;
- out old_state : thread_state_t, CountInOut);
-
- /*
- * Set the selected state information for the target thread.
- * If the thread is currently executing, the state change
- * may be ill-defined.
- */
- routine act_set_state(
- target_act : thread_act_t;
- flavor : int;
- new_state : thread_state_t);
-
- /*
- * Backward compatible old-style thread routines.
- * These have different semantics than the new activation versions.
- *
- * Return the selected state information for the target
- * thread. If the thread is currently executing, the results
- * may be stale. [Flavor THREAD_STATE_FLAVOR_LIST provides a
- * list of valid flavors for the target thr_act.]
- */
- routine thread_get_state(
- target_act : thread_act_t;
- flavor : thread_state_flavor_t;
- out old_state : thread_state_t, CountInOut);
-
- /*
- * Set the selected state information for the target thread.
- * If the thread is currently executing, the state change
- * may be ill-defined.
- */
- routine thread_set_state(
- target_act : thread_act_t;
- flavor : thread_state_flavor_t;
- new_state : thread_state_t);
-
- /*
- * Increment the suspend count for the target thread.
- * Once this call has completed, the thread will not
- * execute any further user or meta- instructions.
- * Once suspended, a thread may not execute again until
- * its suspend count is zero, and the suspend count
- * for its task is also zero.
- */
- routine thread_suspend(
- target_act : thread_act_t);
-
- /*
- * Decrement the suspend count for the target thread,
- * if that count is not already zero.
- */
- routine thread_resume(
- target_act : thread_act_t);
-
- /*
- * Cause any user or meta- instructions currently being
- * executed by the target thread to be aborted. [Meta-
- * instructions consist of the basic traps for IPC
- * (e.g., msg_send, msg_receive) and self-identification
- * (e.g., task_self, thread_self, thread_reply). Calls
- * described by MiG interfaces are not meta-instructions
- * themselves.]
- */
- routine thread_abort(
- target_act : thread_act_t);
-
- /*
- * Cause any user or meta- instructions currently being
- * executed by the target thread to be aborted so that
- * they are transparently restartable. This call fails
- * if the abort would result in a non-restartable condition.
- * Retry is the caller's responsibility. [Meta-
- * instructions consist of the basic traps for IPC
- * (e.g., msg_send, msg_receive) and self-identification
- * (e.g., task_self, thread_self, thread_reply). Calls
- * described by MiG interfaces are not meta-instructions
- * themselves.]
- */
- routine thread_abort_safely(
- target_act : thread_act_t);
-
-
- routine thread_depress_abort(
- thread : thread_act_t);
-
-
- /*
- * Returns the current value of the selected special port
- * associated with the target thread.
- */
- routine thread_get_special_port(
- thr_act : thread_act_t;
- which_port : int;
- out special_port : mach_port_t);
-
- /*
- * Set one of the special ports associated with the
- * target thread.
- */
- routine thread_set_special_port(
- thr_act : thread_act_t;
- which_port : int;
- special_port : mach_port_t);
-
- /*
- * Returns information about the target thread.
- */
- routine thread_info(
- target_act : thread_act_t;
- flavor : thread_flavor_t;
- out thread_info_out : thread_info_t, CountInOut);
-
- /*
- * Set an exception handler for a thread on one or more exception types
- */
- routine thread_set_exception_ports(
- thread : thread_act_t;
- exception_mask : exception_mask_t;
- new_port : mach_port_t;
- behavior : exception_behavior_t;
- new_flavor : thread_state_flavor_t);
-
- /*
- * Lookup some of the old exception handlers for a thread
- */
- routine thread_get_exception_ports(
- thread : thread_act_t;
- exception_mask : exception_mask_t;
- out masks : exception_mask_array_t;
- out old_handlers : exception_handler_array_t, SameCount;
- out old_behaviors : exception_behavior_array_t, SameCount;
- out old_flavors : exception_flavor_array_t, SameCount);
-
- /*
- * Set an exception handler for a thread on one or more exception types.
- * At the same time, return the previously defined exception handlers for
- * those types.
- */
- routine thread_swap_exception_ports(
- thread : thread_act_t;
- exception_mask : exception_mask_t;
- new_port : mach_port_t;
- behavior : exception_behavior_t;
- new_flavor : thread_state_flavor_t;
- out masks : exception_mask_array_t;
- out old_handlers : exception_handler_array_t, SameCount;
- out old_behaviors : exception_behavior_array_t, SameCount;
- out old_flavors : exception_flavor_array_t, SameCount);
-
- /*
- * OBSOLETE interface.
- */
- routine thread_policy(
- thr_act : thread_act_t;
- policy : policy_t;
- base : policy_base_t;
- set_limit : boolean_t);
-
- /*
- * Set/get policy information for a thread.
- * (Approved Mac OS X microkernel interface)
- */
-
- routine thread_policy_set(
- thread : thread_act_t;
- flavor : thread_policy_flavor_t;
- policy_info : thread_policy_t);
-
- routine thread_policy_get(
- thread : thread_act_t;
- flavor : thread_policy_flavor_t;
- out policy_info : thread_policy_t, CountInOut;
- inout get_default : boolean_t);
-
- /*
- * Thread profiling
- * This call is only valid for MACH_PROF compiled kernels.
- * Otherwise, KERN_FAILURE is returned.
- */
- routine thread_sample(
- thread : thread_act_t;
- reply : mach_port_make_send_t);
-
- /*
- * JMM - Keep etap and processor_set related things at the end
- * because they are likely to be removed.
- */
- /*
- * Sets the ETAP trace status of the target thread.
- */
- routine etap_trace_thread(
- target_act : thread_act_t;
- trace_status : boolean_t);
-
- /*
- * Assign thread to processor set.
- */
- routine thread_assign(
- thread : thread_act_t;
- new_set : processor_set_t);
-
- /*
- * Assign thread to default set.
- */
- routine thread_assign_default(
- thread : thread_act_t);
-
- /*
- * Get current assignment for thread.
- */
- routine thread_get_assignment(
- thread : thread_act_t;
- out assigned_set : processor_set_name_t);
-
-
- /*
- * OBSOLETE interface.
- */
- routine thread_set_policy(
- thr_act : thread_act_t;
- pset : processor_set_t;
- policy : policy_t;
- base : policy_base_t;
- limit : policy_limit_t);
-