xref: /xnu-8020.140.41/libsyscall/mach/thread_act.c (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1*27b03b36SApple OSS Distributions /*
2*27b03b36SApple OSS Distributions  * Copyright (c) 2011 Apple Inc. All rights reserved.
3*27b03b36SApple OSS Distributions  *
4*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*27b03b36SApple OSS Distributions  *
6*27b03b36SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*27b03b36SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*27b03b36SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*27b03b36SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*27b03b36SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*27b03b36SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*27b03b36SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*27b03b36SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*27b03b36SApple OSS Distributions  *
15*27b03b36SApple OSS Distributions  * Please obtain a copy of the License at
16*27b03b36SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*27b03b36SApple OSS Distributions  *
18*27b03b36SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*27b03b36SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*27b03b36SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*27b03b36SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*27b03b36SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*27b03b36SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*27b03b36SApple OSS Distributions  * limitations under the License.
25*27b03b36SApple OSS Distributions  *
26*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*27b03b36SApple OSS Distributions  */
28*27b03b36SApple OSS Distributions 
29*27b03b36SApple OSS Distributions #undef _thread_act_user_
30*27b03b36SApple OSS Distributions #include <mach/thread_act_internal.h>
31*27b03b36SApple OSS Distributions 
32*27b03b36SApple OSS Distributions extern void _pthread_clear_qos_tsd(mach_port_t port);
33*27b03b36SApple OSS Distributions 
34*27b03b36SApple OSS Distributions kern_return_t
thread_policy(thread_act_t thr_act,policy_t policy,policy_base_t base,mach_msg_type_number_t baseCnt,boolean_t set_limit)35*27b03b36SApple OSS Distributions thread_policy(thread_act_t thr_act, policy_t policy, policy_base_t base, mach_msg_type_number_t baseCnt, boolean_t set_limit)
36*27b03b36SApple OSS Distributions {
37*27b03b36SApple OSS Distributions 	kern_return_t kr;
38*27b03b36SApple OSS Distributions 
39*27b03b36SApple OSS Distributions 	kr = _kernelrpc_thread_policy(thr_act, policy, base, baseCnt, set_limit);
40*27b03b36SApple OSS Distributions 	if (kr == KERN_SUCCESS) {
41*27b03b36SApple OSS Distributions 		_pthread_clear_qos_tsd(thr_act);
42*27b03b36SApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
43*27b03b36SApple OSS Distributions 		kr = KERN_SUCCESS;
44*27b03b36SApple OSS Distributions 	}
45*27b03b36SApple OSS Distributions 
46*27b03b36SApple OSS Distributions 	return kr;
47*27b03b36SApple OSS Distributions }
48*27b03b36SApple OSS Distributions 
49*27b03b36SApple OSS Distributions kern_return_t
thread_policy_set(thread_act_t thread,thread_policy_flavor_t flavor,thread_policy_t policy_info,mach_msg_type_number_t policy_infoCnt)50*27b03b36SApple OSS Distributions thread_policy_set(thread_act_t thread, thread_policy_flavor_t flavor, thread_policy_t policy_info, mach_msg_type_number_t policy_infoCnt)
51*27b03b36SApple OSS Distributions {
52*27b03b36SApple OSS Distributions 	kern_return_t kr;
53*27b03b36SApple OSS Distributions 
54*27b03b36SApple OSS Distributions 	kr = _kernelrpc_thread_policy_set(thread, flavor, policy_info, policy_infoCnt);
55*27b03b36SApple OSS Distributions 	if (kr == KERN_SUCCESS) {
56*27b03b36SApple OSS Distributions 		_pthread_clear_qos_tsd(thread);
57*27b03b36SApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
58*27b03b36SApple OSS Distributions 		kr = KERN_SUCCESS;
59*27b03b36SApple OSS Distributions 	}
60*27b03b36SApple OSS Distributions 
61*27b03b36SApple OSS Distributions 	return kr;
62*27b03b36SApple OSS Distributions }
63*27b03b36SApple OSS Distributions 
64*27b03b36SApple OSS Distributions kern_return_t
thread_set_policy(thread_act_t thr_act,processor_set_t pset,policy_t policy,policy_base_t base,mach_msg_type_number_t baseCnt,policy_limit_t limit,mach_msg_type_number_t limitCnt)65*27b03b36SApple OSS Distributions thread_set_policy(thread_act_t thr_act, processor_set_t pset, policy_t policy, policy_base_t base, mach_msg_type_number_t baseCnt, policy_limit_t limit, mach_msg_type_number_t limitCnt)
66*27b03b36SApple OSS Distributions {
67*27b03b36SApple OSS Distributions 	kern_return_t kr;
68*27b03b36SApple OSS Distributions 
69*27b03b36SApple OSS Distributions 	kr = _kernelrpc_thread_set_policy(thr_act, pset, policy, base, baseCnt, limit, limitCnt);
70*27b03b36SApple OSS Distributions 	if (kr == KERN_SUCCESS) {
71*27b03b36SApple OSS Distributions 		_pthread_clear_qos_tsd(thr_act);
72*27b03b36SApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
73*27b03b36SApple OSS Distributions 		kr = KERN_SUCCESS;
74*27b03b36SApple OSS Distributions 	}
75*27b03b36SApple OSS Distributions 
76*27b03b36SApple OSS Distributions 	return kr;
77*27b03b36SApple OSS Distributions }
78