1 | /* |
2 | * Copyright (c) 2000-2016 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_BLOCK_HINT_H_ |
30 | #define _KERN_BLOCK_HINT_H_ |
31 | |
32 | typedef enum thread_snapshot_wait_flags { |
33 | kThreadWaitNone = 0x00, |
34 | kThreadWaitKernelMutex = 0x01, |
35 | kThreadWaitPortReceive = 0x02, |
36 | kThreadWaitPortSetReceive = 0x03, |
37 | kThreadWaitPortSend = 0x04, |
38 | kThreadWaitPortSendInTransit = 0x05, |
39 | kThreadWaitSemaphore = 0x06, |
40 | kThreadWaitKernelRWLockRead = 0x07, |
41 | kThreadWaitKernelRWLockWrite = 0x08, |
42 | kThreadWaitKernelRWLockUpgrade = 0x09, |
43 | kThreadWaitUserLock = 0x0a, |
44 | kThreadWaitPThreadMutex = 0x0b, |
45 | kThreadWaitPThreadRWLockRead = 0x0c, |
46 | kThreadWaitPThreadRWLockWrite = 0x0d, |
47 | kThreadWaitPThreadCondVar = 0x0e, |
48 | kThreadWaitParkedWorkQueue = 0x0f, |
49 | kThreadWaitWorkloopSyncWait = 0x10, |
50 | kThreadWaitOnProcess = 0x11, |
51 | kThreadWaitSleepWithInheritor = 0x12, |
52 | kThreadWaitEventlink = 0x13, |
53 | kThreadWaitCompressor = 0x14, |
54 | } __attribute__((packed)) block_hint_t; |
55 | |
56 | _Static_assert(sizeof(block_hint_t) <= sizeof(short), |
57 | "block_hint_t must fit within a short" ); |
58 | |
59 | #ifdef XNU_KERNEL_PRIVATE |
60 | |
61 | struct turnstile; |
62 | struct waitq; |
63 | typedef struct stackshot_thread_waitinfo thread_waitinfo_t; |
64 | struct ipc_service_port_label; |
65 | struct portlabel_info; |
66 | |
67 | /* Used for stackshot_thread_waitinfo_unsafe */ |
68 | extern void kdp_lck_mtx_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_t *waitinfo); |
69 | extern void kdp_sema_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_t *waitinfo); |
70 | extern void kdp_mqueue_send_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_v2_t *waitinfo, |
71 | struct ipc_service_port_label **isplp); |
72 | extern void kdp_mqueue_recv_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_v2_t *waitinfo, |
73 | struct ipc_service_port_label **isplp); |
74 | extern void kdp_ulock_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_t *waitinfo); |
75 | extern void kdp_rwlck_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_t *waitinfo); |
76 | extern void kdp_pthread_find_owner(thread_t thread, thread_waitinfo_t *waitinfo); |
77 | extern void *kdp_pthread_get_thread_kwq(thread_t thread); |
78 | extern void kdp_workloop_sync_wait_find_owner(thread_t thread, event64_t event, thread_waitinfo_t *waitinfo); |
79 | extern void kdp_wait4_find_process(thread_t thread, event64_t event, thread_waitinfo_t *waitinfo); |
80 | extern void kdp_sleep_with_inheritor_find_owner(struct waitq * waitq, __unused event64_t event, thread_waitinfo_t * waitinfo); |
81 | extern void kdp_turnstile_fill_tsinfo(struct turnstile *ts, thread_turnstileinfo_v2_t *tsinfo, struct ipc_service_port_label **isplp); |
82 | extern void kdp_ipc_fill_splabel(struct ipc_service_port_label *ispl, struct portlabel_info *spl, const char **namep); |
83 | extern void kdp_ipc_splabel_size(size_t *ispl_size, size_t *maxnamelen); |
84 | extern const bool kdp_ipc_have_splabel; |
85 | void kdp_eventlink_find_owner(struct waitq *waitq, event64_t event, thread_waitinfo_t *waitinfo); |
86 | |
87 | #endif /* XNU_KERNEL_PRIVATE */ |
88 | |
89 | #endif /* !_KERN_BLOCK_HINT_H_ */ |
90 | |