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