xref: /xnu-8020.101.4/libsyscall/mach/thread_act.c (revision e7776783b89a353188416a9a346c6cdb4928faad)
1*e7776783SApple OSS Distributions /*
2*e7776783SApple OSS Distributions  * Copyright (c) 2011 Apple Inc. All rights reserved.
3*e7776783SApple OSS Distributions  *
4*e7776783SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*e7776783SApple OSS Distributions  *
6*e7776783SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*e7776783SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*e7776783SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*e7776783SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*e7776783SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*e7776783SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*e7776783SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*e7776783SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*e7776783SApple OSS Distributions  *
15*e7776783SApple OSS Distributions  * Please obtain a copy of the License at
16*e7776783SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*e7776783SApple OSS Distributions  *
18*e7776783SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*e7776783SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*e7776783SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*e7776783SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*e7776783SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*e7776783SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*e7776783SApple OSS Distributions  * limitations under the License.
25*e7776783SApple OSS Distributions  *
26*e7776783SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*e7776783SApple OSS Distributions  */
28*e7776783SApple OSS Distributions 
29*e7776783SApple OSS Distributions #undef _thread_act_user_
30*e7776783SApple OSS Distributions #include <mach/thread_act_internal.h>
31*e7776783SApple OSS Distributions 
32*e7776783SApple OSS Distributions extern void _pthread_clear_qos_tsd(mach_port_t port);
33*e7776783SApple OSS Distributions 
34*e7776783SApple 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*e7776783SApple 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*e7776783SApple OSS Distributions {
37*e7776783SApple OSS Distributions 	kern_return_t kr;
38*e7776783SApple OSS Distributions 
39*e7776783SApple OSS Distributions 	kr = _kernelrpc_thread_policy(thr_act, policy, base, baseCnt, set_limit);
40*e7776783SApple OSS Distributions 	if (kr == KERN_SUCCESS) {
41*e7776783SApple OSS Distributions 		_pthread_clear_qos_tsd(thr_act);
42*e7776783SApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
43*e7776783SApple OSS Distributions 		kr = KERN_SUCCESS;
44*e7776783SApple OSS Distributions 	}
45*e7776783SApple OSS Distributions 
46*e7776783SApple OSS Distributions 	return kr;
47*e7776783SApple OSS Distributions }
48*e7776783SApple OSS Distributions 
49*e7776783SApple 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*e7776783SApple 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*e7776783SApple OSS Distributions {
52*e7776783SApple OSS Distributions 	kern_return_t kr;
53*e7776783SApple OSS Distributions 
54*e7776783SApple OSS Distributions 	kr = _kernelrpc_thread_policy_set(thread, flavor, policy_info, policy_infoCnt);
55*e7776783SApple OSS Distributions 	if (kr == KERN_SUCCESS) {
56*e7776783SApple OSS Distributions 		_pthread_clear_qos_tsd(thread);
57*e7776783SApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
58*e7776783SApple OSS Distributions 		kr = KERN_SUCCESS;
59*e7776783SApple OSS Distributions 	}
60*e7776783SApple OSS Distributions 
61*e7776783SApple OSS Distributions 	return kr;
62*e7776783SApple OSS Distributions }
63*e7776783SApple OSS Distributions 
64*e7776783SApple 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*e7776783SApple 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*e7776783SApple OSS Distributions {
67*e7776783SApple OSS Distributions 	kern_return_t kr;
68*e7776783SApple OSS Distributions 
69*e7776783SApple OSS Distributions 	kr = _kernelrpc_thread_set_policy(thr_act, pset, policy, base, baseCnt, limit, limitCnt);
70*e7776783SApple OSS Distributions 	if (kr == KERN_SUCCESS) {
71*e7776783SApple OSS Distributions 		_pthread_clear_qos_tsd(thr_act);
72*e7776783SApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
73*e7776783SApple OSS Distributions 		kr = KERN_SUCCESS;
74*e7776783SApple OSS Distributions 	}
75*e7776783SApple OSS Distributions 
76*e7776783SApple OSS Distributions 	return kr;
77*e7776783SApple OSS Distributions }
78