projects / apple / xnu.git / blame
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|---|---|---|
| 5ba3f43e A |
1 | /* |
| 2 | * Copyright (c) 2017 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * This file contains Original Code and/or Modifications of Original Code | |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 14 | * | |
| 15 | * Please obtain a copy of the License at | |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 25 | * | |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | |
| 27 | */ | |
| 28 | ||
| 29 | #ifndef _KERN_WORK_INTERVAL_H_ | |
| 30 | #define _KERN_WORK_INTERVAL_H_ | |
| 31 | ||
| 32 | #include <sys/cdefs.h> | |
| 33 | ||
| 34 | #include <stdint.h> | |
| 35 | #include <kern/kern_types.h> | |
| 36 | ||
| 37 | #include <kern/thread_group.h> | |
| 38 | ||
| 39 | __BEGIN_DECLS | |
| 40 | ||
| 41 | struct work_interval; | |
| 42 | ||
| 43 | struct kern_work_interval_args { | |
| 44 | uint64_t work_interval_id; | |
| 45 | uint64_t start; | |
| 46 | uint64_t finish; | |
| 47 | uint64_t deadline; | |
| 48 | uint64_t next_start; | |
| 49 | uint32_t notify_flags; | |
| 50 | uint32_t create_flags; | |
| 51 | uint16_t urgency; | |
| 52 | }; | |
| 53 | ||
| 54 | struct kern_work_interval_create_args { | |
| 55 | uint64_t wica_id; /* out param */ | |
| f427ee49 | 56 | mach_port_name_t wica_port; /* out param */ |
| 5ba3f43e A |
57 | uint32_t wica_create_flags; |
| 58 | }; | |
| 59 | ||
| 60 | /* | |
| 61 | * Allocate/assign a single work interval ID for a thread, | |
| 62 | * and support deallocating it. | |
| 63 | */ | |
| 64 | extern kern_return_t | |
| 65 | kern_work_interval_create(thread_t thread, struct kern_work_interval_create_args *create_params); | |
| a39ff7e2 | 66 | |
| f427ee49 A |
67 | extern kern_return_t |
| 68 | kern_work_interval_get_flags_from_port(mach_port_name_t port_name, uint32_t*flags); | |
| 69 | ||
| 5ba3f43e A |
70 | extern kern_return_t |
| 71 | kern_work_interval_destroy(thread_t thread, uint64_t work_interval_id); | |
| 72 | extern kern_return_t | |
| 73 | kern_work_interval_join(thread_t thread, mach_port_name_t port_name); | |
| 74 | ||
| 5ba3f43e A |
75 | extern kern_return_t |
| 76 | kern_work_interval_notify(thread_t thread, struct kern_work_interval_args* kwi_args); | |
| 77 | ||
| 78 | #ifdef MACH_KERNEL_PRIVATE | |
| 79 | ||
| 80 | extern void work_interval_port_notify(mach_msg_header_t *msg); | |
| f427ee49 A |
81 | void work_interval_subsystem_init(void); |
| 82 | bool work_interval_port_type_render_server(mach_port_name_t port_name); | |
| 5ba3f43e | 83 | |
| f427ee49 A |
84 | #if CONFIG_SCHED_AUTO_JOIN |
| 85 | bool work_interval_should_propagate(thread_t cthread, thread_t thread); | |
| 86 | void work_interval_auto_join_propagate(thread_t from, thread_t to); | |
| 87 | void work_interval_auto_join_unwind(thread_t thread); | |
| 88 | void work_interval_auto_join_demote(thread_t thread); | |
| 89 | #endif /* CONFIG_SCHED_AUTO_JOIN */ | |
| 5ba3f43e | 90 | |
| f427ee49 | 91 | extern kern_return_t work_interval_thread_terminate(thread_t thread); |
| 5ba3f43e A |
92 | #endif /* MACH_KERNEL_PRIVATE */ |
| 93 | ||
| 94 | __END_DECLS | |
| 95 | ||
| 96 | #endif /* !defined(_KERN_WORK_INTERVAL_H_) */ |