xref: /xnu-11417.121.6/libsyscall/mach/thread_act.c (revision a1e26a70f38d1d7daa7b49b258e2f8538ad81650)
1*a1e26a70SApple OSS Distributions /*
2*a1e26a70SApple OSS Distributions  * Copyright (c) 2011 Apple Inc. All rights reserved.
3*a1e26a70SApple OSS Distributions  *
4*a1e26a70SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*a1e26a70SApple OSS Distributions  *
6*a1e26a70SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*a1e26a70SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*a1e26a70SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*a1e26a70SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*a1e26a70SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*a1e26a70SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*a1e26a70SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*a1e26a70SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*a1e26a70SApple OSS Distributions  *
15*a1e26a70SApple OSS Distributions  * Please obtain a copy of the License at
16*a1e26a70SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*a1e26a70SApple OSS Distributions  *
18*a1e26a70SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*a1e26a70SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*a1e26a70SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*a1e26a70SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*a1e26a70SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*a1e26a70SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*a1e26a70SApple OSS Distributions  * limitations under the License.
25*a1e26a70SApple OSS Distributions  *
26*a1e26a70SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*a1e26a70SApple OSS Distributions  */
28*a1e26a70SApple OSS Distributions 
29*a1e26a70SApple OSS Distributions #undef _thread_act_user_
30*a1e26a70SApple OSS Distributions #include <mach/thread_act_internal.h>
31*a1e26a70SApple OSS Distributions 
32*a1e26a70SApple OSS Distributions extern void _pthread_clear_qos_tsd(mach_port_t port);
33*a1e26a70SApple OSS Distributions 
34*a1e26a70SApple 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*a1e26a70SApple 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*a1e26a70SApple OSS Distributions {
37*a1e26a70SApple OSS Distributions 	kern_return_t kr;
38*a1e26a70SApple OSS Distributions 
39*a1e26a70SApple OSS Distributions 	kr = _kernelrpc_thread_policy(thr_act, policy, base, baseCnt, set_limit);
40*a1e26a70SApple OSS Distributions 	if (kr == KERN_SUCCESS) {
41*a1e26a70SApple OSS Distributions 		_pthread_clear_qos_tsd(thr_act);
42*a1e26a70SApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
43*a1e26a70SApple OSS Distributions 		kr = KERN_SUCCESS;
44*a1e26a70SApple OSS Distributions 	}
45*a1e26a70SApple OSS Distributions 
46*a1e26a70SApple OSS Distributions 	return kr;
47*a1e26a70SApple OSS Distributions }
48*a1e26a70SApple OSS Distributions 
49*a1e26a70SApple 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*a1e26a70SApple 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*a1e26a70SApple OSS Distributions {
52*a1e26a70SApple OSS Distributions 	kern_return_t kr;
53*a1e26a70SApple OSS Distributions 
54*a1e26a70SApple OSS Distributions 	kr = _kernelrpc_thread_policy_set(thread, flavor, policy_info, policy_infoCnt);
55*a1e26a70SApple OSS Distributions 	if (kr == KERN_SUCCESS) {
56*a1e26a70SApple OSS Distributions 		_pthread_clear_qos_tsd(thread);
57*a1e26a70SApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
58*a1e26a70SApple OSS Distributions 		kr = KERN_SUCCESS;
59*a1e26a70SApple OSS Distributions 	}
60*a1e26a70SApple OSS Distributions 
61*a1e26a70SApple OSS Distributions 	return kr;
62*a1e26a70SApple OSS Distributions }
63*a1e26a70SApple OSS Distributions 
64*a1e26a70SApple 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*a1e26a70SApple 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*a1e26a70SApple OSS Distributions {
67*a1e26a70SApple OSS Distributions 	kern_return_t kr;
68*a1e26a70SApple OSS Distributions 
69*a1e26a70SApple OSS Distributions 	kr = _kernelrpc_thread_set_policy(thr_act, pset, policy, base, baseCnt, limit, limitCnt);
70*a1e26a70SApple OSS Distributions 	if (kr == KERN_SUCCESS) {
71*a1e26a70SApple OSS Distributions 		_pthread_clear_qos_tsd(thr_act);
72*a1e26a70SApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
73*a1e26a70SApple OSS Distributions 		kr = KERN_SUCCESS;
74*a1e26a70SApple OSS Distributions 	}
75*a1e26a70SApple OSS Distributions 
76*a1e26a70SApple OSS Distributions 	return kr;
77*a1e26a70SApple OSS Distributions }
78