/*
* Copyright (c) 2000-2016 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _KERN_BLOCK_HINT_H_
#define _KERN_BLOCK_HINT_H_
typedef enum thread_snapshot_wait_flags {
kThreadWaitNone = 0x00,
kThreadWaitKernelMutex = 0x01,
kThreadWaitPortReceive = 0x02,
kThreadWaitPortSetReceive = 0x03,
kThreadWaitPortSend = 0x04,
kThreadWaitPortSendInTransit = 0x05,
kThreadWaitSemaphore = 0x06,
kThreadWaitKernelRWLockRead = 0x07,
kThreadWaitKernelRWLockWrite = 0x08,
kThreadWaitKernelRWLockUpgrade = 0x09,
kThreadWaitUserLock = 0x0a,
kThreadWaitPThreadMutex = 0x0b,
kThreadWaitPThreadRWLockRead = 0x0c,
kThreadWaitPThreadRWLockWrite = 0x0d,
kThreadWaitPThreadCondVar = 0x0e,
kThreadWaitParkedWorkQueue = 0x0f,
kThreadWaitWorkloopSyncWait = 0x10,
kThreadWaitOnProcess = 0x11,
kThreadWaitSleepWithInheritor = 0x12,
kThreadWaitEventlink = 0x13,
kThreadWaitCompressor = 0x14,
kThreadWaitParkedBoundWorkQueue = 0x15,
kThreadWaitPageBusy = 0x16,
/*
* The vm_object wait types should be kept in the same order as
* vm_object_wait_reason_t
*/
kThreadWaitPagerInit = 0x17,
kThreadWaitPagerReady = 0x18,
kThreadWaitPagingActivity = 0x19,
kThreadWaitMappingInProgress = 0x1a,
kThreadWaitMemoryBlocked = 0x1b,
kThreadWaitPagingInProgress = 0x1c,
kThreadWaitPageInThrottle = 0x1d,
} __attribute__((packed)) block_hint_t;
_Static_assert(sizeof(block_hint_t) <= sizeof(short),
"block_hint_t must fit within a short");
#ifdef XNU_KERNEL_PRIVATE
struct turnstile;
struct waitq;
typedef struct stackshot_thread_waitinfo thread_waitinfo_t;
struct ipc_service_port_label;
struct portlabel_info;
/* Used for stackshot_thread_waitinfo_unsafe */
extern void kdp_lck_mtx_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_t *waitinfo);
extern void kdp_sema_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_t *waitinfo);
extern void kdp_mqueue_send_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_v2_t *waitinfo,
struct ipc_service_port_label **isplp);
extern void kdp_mqueue_recv_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_v2_t *waitinfo,
struct ipc_service_port_label **isplp);
extern void kdp_ulock_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_t *waitinfo);
extern void kdp_rwlck_find_owner(struct waitq * waitq, event64_t event, thread_waitinfo_t *waitinfo);
extern void kdp_pthread_find_owner(thread_t thread, thread_waitinfo_t *waitinfo);
extern void *kdp_pthread_get_thread_kwq(thread_t thread);
extern void kdp_workloop_sync_wait_find_owner(thread_t thread, event64_t event, thread_waitinfo_t *waitinfo);
extern void kdp_wait4_find_process(thread_t thread, event64_t event, thread_waitinfo_t *waitinfo);
extern void kdp_sleep_with_inheritor_find_owner(struct waitq * waitq, __unused event64_t event, thread_waitinfo_t * waitinfo);
extern void kdp_turnstile_fill_tsinfo(struct turnstile *ts, thread_turnstileinfo_v2_t *tsinfo, struct ipc_service_port_label **isplp);
extern void kdp_ipc_fill_splabel(struct ipc_service_port_label *ispl, struct portlabel_info *spl, const char **namep);
extern void kdp_ipc_splabel_size(size_t *ispl_size, size_t *maxnamelen);
extern const bool kdp_ipc_have_splabel;
void kdp_eventlink_find_owner(struct waitq *waitq, event64_t event, thread_waitinfo_t *waitinfo);
#endif /* XNU_KERNEL_PRIVATE */
#endif /* !_KERN_BLOCK_HINT_H_ */