xref: /xnu-11215.1.10/libsyscall/mach/thread_act.c (revision 8d741a5de7ff4191bf97d57b9f54c2f6d4a15585)
1*8d741a5dSApple OSS Distributions /*
2*8d741a5dSApple OSS Distributions  * Copyright (c) 2011 Apple Inc. All rights reserved.
3*8d741a5dSApple OSS Distributions  *
4*8d741a5dSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*8d741a5dSApple OSS Distributions  *
6*8d741a5dSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*8d741a5dSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*8d741a5dSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*8d741a5dSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*8d741a5dSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*8d741a5dSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*8d741a5dSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*8d741a5dSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*8d741a5dSApple OSS Distributions  *
15*8d741a5dSApple OSS Distributions  * Please obtain a copy of the License at
16*8d741a5dSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*8d741a5dSApple OSS Distributions  *
18*8d741a5dSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*8d741a5dSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*8d741a5dSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*8d741a5dSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*8d741a5dSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*8d741a5dSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*8d741a5dSApple OSS Distributions  * limitations under the License.
25*8d741a5dSApple OSS Distributions  *
26*8d741a5dSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*8d741a5dSApple OSS Distributions  */
28*8d741a5dSApple OSS Distributions 
29*8d741a5dSApple OSS Distributions #undef _thread_act_user_
30*8d741a5dSApple OSS Distributions #include <mach/thread_act_internal.h>
31*8d741a5dSApple OSS Distributions 
32*8d741a5dSApple OSS Distributions extern void _pthread_clear_qos_tsd(mach_port_t port);
33*8d741a5dSApple OSS Distributions 
34*8d741a5dSApple 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*8d741a5dSApple 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*8d741a5dSApple OSS Distributions {
37*8d741a5dSApple OSS Distributions 	kern_return_t kr;
38*8d741a5dSApple OSS Distributions 
39*8d741a5dSApple OSS Distributions 	kr = _kernelrpc_thread_policy(thr_act, policy, base, baseCnt, set_limit);
40*8d741a5dSApple OSS Distributions 	if (kr == KERN_SUCCESS) {
41*8d741a5dSApple OSS Distributions 		_pthread_clear_qos_tsd(thr_act);
42*8d741a5dSApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
43*8d741a5dSApple OSS Distributions 		kr = KERN_SUCCESS;
44*8d741a5dSApple OSS Distributions 	}
45*8d741a5dSApple OSS Distributions 
46*8d741a5dSApple OSS Distributions 	return kr;
47*8d741a5dSApple OSS Distributions }
48*8d741a5dSApple OSS Distributions 
49*8d741a5dSApple 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*8d741a5dSApple 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*8d741a5dSApple OSS Distributions {
52*8d741a5dSApple OSS Distributions 	kern_return_t kr;
53*8d741a5dSApple OSS Distributions 
54*8d741a5dSApple OSS Distributions 	kr = _kernelrpc_thread_policy_set(thread, flavor, policy_info, policy_infoCnt);
55*8d741a5dSApple OSS Distributions 	if (kr == KERN_SUCCESS) {
56*8d741a5dSApple OSS Distributions 		_pthread_clear_qos_tsd(thread);
57*8d741a5dSApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
58*8d741a5dSApple OSS Distributions 		kr = KERN_SUCCESS;
59*8d741a5dSApple OSS Distributions 	}
60*8d741a5dSApple OSS Distributions 
61*8d741a5dSApple OSS Distributions 	return kr;
62*8d741a5dSApple OSS Distributions }
63*8d741a5dSApple OSS Distributions 
64*8d741a5dSApple 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*8d741a5dSApple 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*8d741a5dSApple OSS Distributions {
67*8d741a5dSApple OSS Distributions 	kern_return_t kr;
68*8d741a5dSApple OSS Distributions 
69*8d741a5dSApple OSS Distributions 	kr = _kernelrpc_thread_set_policy(thr_act, pset, policy, base, baseCnt, limit, limitCnt);
70*8d741a5dSApple OSS Distributions 	if (kr == KERN_SUCCESS) {
71*8d741a5dSApple OSS Distributions 		_pthread_clear_qos_tsd(thr_act);
72*8d741a5dSApple OSS Distributions 	} else if (kr == KERN_POLICY_STATIC) {
73*8d741a5dSApple OSS Distributions 		kr = KERN_SUCCESS;
74*8d741a5dSApple OSS Distributions 	}
75*8d741a5dSApple OSS Distributions 
76*8d741a5dSApple OSS Distributions 	return kr;
77*8d741a5dSApple OSS Distributions }
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