* Copyright (c) 2012 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
* 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,
* 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 ASSEMBLER
+#include <kern/block_hint.h>
#include <kern/clock.h>
#include <kern/kern_types.h>
#include <kern/kcdata.h>
#include <kern/locks.h>
+#include <kern/turnstile.h>
+#include <pthread/priority_private.h>
#include <sys/user.h>
#include <sys/_types.h>
#include <sys/_types/_sigset_t.h>
#ifndef PTHREAD_INTERNAL
struct uthread;
+struct ksyn_waitq_element;
#define M_PROC 41
#endif
typedef void (*sched_call_t)(int type, thread_t thread);
#endif
-typedef struct workq_reqthreads_req_s {unsigned long priority; int count;} *workq_reqthreads_req_t;
-typedef struct workq_threadreq_s { void *opaqueptr[2]; uint32_t opaqueint[2];} *workq_threadreq_t;
-enum workq_threadreq_type {
- WORKQ_THREADREQ_KEVENT = 1,
- WORKQ_THREADREQ_WORKLOOP = 2,
- WORKQ_THREADREQ_WORKLOOP_NO_THREAD_CALL = 3,
- WORKQ_THREADREQ_REDRIVE = 4,
-};
-enum workq_threadreq_op {
- WORKQ_THREADREQ_CHANGE_PRI = 1,
- WORKQ_THREADREQ_CANCEL = 2,
- WORKQ_THREADREQ_CHANGE_PRI_NO_THREAD_CALL = 3,
-};
-#define WORKQ_THREADREQ_FLAG_NOEMERGENCY 0x1
-
-
/*
* Increment each time new reserved slots are used. When the pthread
* kext registers this table, it will include the version of the xnu
/* internal calls, kernel core -> kext */
void (*pthread_init)(void);
- int (*fill_procworkqueue)(proc_t p, void* pwqinfo);
- void (*__unused1)(void);
- void (*__unused2)(void);
+ void *__unused_was_fill_procworkqueue;
+ void *__unused1;
+ void *__unused2;
+ void *__unused_was_workqueue_exit;
+ void *__unused_was_workqueue_mark_exiting;
+ void *__unused_was_workqueue_thread_yielded;
- void (*workqueue_exit)(struct proc *p);
- void (*workqueue_mark_exiting)(struct proc *p);
- void (*workqueue_thread_yielded)(void);
void (*pth_proc_hashinit)(proc_t p);
void (*pth_proc_hashdelete)(proc_t p);
int (*bsdthread_register)(struct proc *p, user_addr_t threadstart, user_addr_t wqthread, int pthsize, user_addr_t dummy_value, user_addr_t targetconc_ptr, uint64_t dispatchqueue_offset, int32_t *retval);
int (*bsdthread_terminate)(struct proc *p, user_addr_t stackaddr, size_t size, uint32_t kthport, uint32_t sem, int32_t *retval);
int (*thread_selfid)(struct proc *p, uint64_t *retval);
- int (*workq_kernreturn)(struct proc *p, int options, user_addr_t item, int affinity, int prio, int32_t *retval);
- int (*workq_open)(struct proc *p, int32_t *retval);
+ void *__unused_was_workq_kernreturn;
+ void *__unused_was_workq_open;
/* psynch syscalls */
int (*psynch_mutexwait)(proc_t p, user_addr_t mutex, uint32_t mgen, uint32_t ugen, uint64_t tid, uint32_t flags, uint32_t *retval);
int (*psynch_rw_wrlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval);
int (*psynch_rw_yieldwrlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval);
- sched_call_t (*workqueue_get_sched_callback)(void);
+ void *__unused_was_workqueue_get_sched_callback;
/* New register function with TSD offset */
int (*bsdthread_register2)(struct proc *p, user_addr_t threadstart, user_addr_t wqthread, uint32_t flags, user_addr_t stack_addr_hint, user_addr_t targetconc_ptr, uint32_t dispatchqueue_offset, uint32_t tsd_offset, int32_t *retval);
- /* New pthreadctl system. */
- int (*bsdthread_ctl)(struct proc *p, user_addr_t cmd, user_addr_t arg1, user_addr_t arg2, user_addr_t arg3, int *retval);
+ void *__unused_was_bsdthread_ctl;
+ void *__unused_was_workq_reqthreads;
+
+ void *__unused_was_thread_qos_from_pthread_priority;
+ void *__unused_was_get_pwq_state_kdp;
+ void *__unused3;
+ void *__unused_was_pthread_priority_canonicalize2;
+ void *__unused_was_workq_thread_has_been_unbound;
- /* Request threads to deliver kevents */
- thread_t (*workq_reqthreads)(struct proc *p, int requests_count, workq_reqthreads_req_t requests);
+ void (*pthread_find_owner)(thread_t thread, struct stackshot_thread_waitinfo *waitinfo);
+ void *(*pthread_get_thread_kwq)(thread_t thread);
- /* Resolve a pthread_priority_t to a QoS/relative pri */
- integer_t (*thread_qos_from_pthread_priority)(unsigned long pthread_priority, unsigned long *flags);
+ void *__unused_was_workq_threadreq;
- /* try to get wq flags in debugger context */
- uint32_t (*get_pwq_state_kdp)(proc_t p);
+ int (*workq_handle_stack_events)(proc_t p, thread_t th, vm_map_t map,
+ user_addr_t stackaddr, mach_port_name_t kport,
+ user_addr_t events, int nevents, int upcall_flags);
- void (*__unused3)(void);
- unsigned long (*pthread_priority_canonicalize2)(unsigned long pthread_priority, boolean_t propagation);
+ int (*workq_create_threadstack)(proc_t p, vm_map_t vmap,
+ mach_vm_offset_t *out_addr);
- /* Returns true on success, false on mismatch */
- boolean_t (*workq_thread_has_been_unbound)(thread_t th, int qos_class);
+ int (*workq_destroy_threadstack)(proc_t p, vm_map_t vmap,
+ mach_vm_offset_t stackaddr);
- void (*pthread_find_owner)(thread_t thread, struct stackshot_thread_waitinfo *waitinfo);
- void *(*pthread_get_thread_kwq)(thread_t thread);
+ void (*workq_setup_thread)(proc_t p, thread_t th, vm_map_t map,
+ user_addr_t stackaddr, mach_port_name_t kport, int th_qos,
+ int setup_flags, int upcall_flags);
- /*
- * Submits a threadreq to the workq system.
- *
- * If type is WORKQ_THREADREQ_KEVENT, the semantics are similar to a call
- * to workq_reqthreads and the kevent bind function will be called to
- * indicate the thread fulfilling the request. The req argument is ignored.
- *
- * If type is WORKQ_THREADREQ_WORKLOOP, The req argument should point to
- * allocated memory of at least the sizeof(workq_threadreq_t). That memory
- * is lent to the workq system until workloop_fulfill_threadreq is called
- * and passed the pointer, at which point it may be freed.
- *
- * The properties of the request are passed in the (pthread) priority and flags arguments.
- *
- * Will return zero upon success or an error value on failure. An error of
- * ENOTSUP means the type argument was not understood.
- */
- int (*workq_threadreq)(struct proc *p, workq_threadreq_t req,
- enum workq_threadreq_type, unsigned long priority, int flags);
-
- /*
- * Modifies an already submitted thread request.
- *
- * If operation is WORKQ_THREADREQ_CHANGE_PRI, arg1 is the new priority and arg2 is unused.
- *
- * If operation is WORKQ_THREADREQ_CANCEL, arg1 and arg2 are unused.
- *
- * Will return zero upon success or an error value on failure. An error of
- * ENOTSUP means the operation argument was not understood.
- */
- int (*workq_threadreq_modify)(struct proc *t, workq_threadreq_t req,
- enum workq_threadreq_op operation,
- unsigned long arg1, unsigned long arg2);
+ void (*workq_markfree_threadstack)(proc_t p, thread_t, vm_map_t map,
+ user_addr_t stackaddr);
/* padding for future */
- void * _pad[87];
+ void * _pad[83];
} * pthread_functions_t;
typedef const struct pthread_callbacks_s {
void (*proc_set_wqthread)(struct proc *t, user_addr_t addr);
int (*proc_get_pthsize)(struct proc *t);
void (*proc_set_pthsize)(struct proc *t, int size);
-#if defined(__arm64__)
- unsigned __int128 (*atomic_fetch_add_128_relaxed)(_Atomic unsigned __int128 *ptr,
- unsigned __int128 value);
- unsigned __int128 (*atomic_load_128_relaxed)(_Atomic unsigned __int128 *ptr);
-#else
- void *unused_was_proc_get_targconc;
- void *unused_was_proc_set_targconc;
-#endif
- uint64_t (*proc_get_dispatchqueue_offset)(struct proc *t);
+
+ thread_t (*task_findtid)(task_t t, uint64_t tid);
+ void (*thread_deallocate_safe)(thread_t);
+ void *__unused_was_proc_get_dispatchqueue_offset;
void (*proc_set_dispatchqueue_offset)(struct proc *t, uint64_t offset);
- void *unused_was_proc_get_wqlockptr;
- void *unused_was_proc_get_wqinitingptr;
- void* (*proc_get_wqptr)(struct proc *t);
- void (*proc_set_wqptr)(struct proc *t, void* ptr);
- void *unused_was_proc_get_wqsize;
- void *unused_was_proc_set_wqsize;
- void (*proc_lock)(struct proc *t);
- void (*proc_unlock)(struct proc *t);
- task_t (*proc_get_task)(struct proc *t);
+ void *__unused_was_proc_get_wqlockptr;
+ void *__unused_was_proc_get_wqinitingptr;
+ void *__unused_was_proc_get_wqptr;
+
+ wait_result_t (*psynch_wait_prepare)(uintptr_t kwq,
+ struct turnstile **tstore, thread_t owner, block_hint_t block_hint,
+ uint64_t deadline);
+
+ void (*psynch_wait_update_complete)(struct turnstile *turnstile);
+
+ void (*psynch_wait_complete)(uintptr_t kwq, struct turnstile **tstore);
+
+ void (*psynch_wait_cleanup)(void);
+
+ kern_return_t (*psynch_wait_wakeup)(uintptr_t kwq,
+ struct ksyn_waitq_element *kwe, struct turnstile **tstore);
+
+ void (*psynch_wait_update_owner)(uintptr_t kwq, thread_t owner,
+ struct turnstile **tstore);
+
void* (*proc_get_pthhash)(struct proc *t);
void (*proc_set_pthhash)(struct proc *t, void* ptr);
/* bsd/sys/user.h */
- void* (*uthread_get_threadlist)(struct uthread *t);
- void (*uthread_set_threadlist)(struct uthread *t, void* threadlist);
- sigset_t (*uthread_get_sigmask)(struct uthread *t);
- void (*uthread_set_sigmask)(struct uthread *t, sigset_t s);
+ void *__unused_was_uthread_get_threadlist;
+ void *__unused_was_uthread_set_threadlist;
+ void *__unused_was_uthread_get_sigmask;
+ void *__unused_was_uthread_set_sigmask;
+
void* (*uthread_get_uukwe)(struct uthread *t);
- int (*uthread_get_returnval)(struct uthread *t);
+ void *__unused_was_uthread_get_returnval;
void (*uthread_set_returnval)(struct uthread *t, int val);
int (*uthread_is_cancelled)(struct uthread *t);
/* osfmk/vm/vm_map.h */
kern_return_t (*vm_map_page_info)(vm_map_t map, vm_map_offset_t offset, vm_page_info_flavor_t flavor, vm_page_info_t info, mach_msg_type_number_t *count);
- vm_map_t (*vm_map_switch)(vm_map_t map);
+ void *__unused_was_vm_map_switch;
/* wq functions */
kern_return_t (*thread_set_wq_state32)(thread_t thread, thread_state_t state);
void (*thread_exception_return)(void);
void (*thread_bootstrap_return)(void);
- /* kern/clock.h */
- void (*absolutetime_to_microtime)(uint64_t abstime, clock_sec_t *secs, clock_usec_t *microsecs);
-
- kern_return_t (*thread_set_workq_pri)(thread_t thread, integer_t priority, integer_t policy);
- kern_return_t (*thread_set_workq_qos)(thread_t thread, int qos_tier, int relprio);
+ void *__unused_was_absolutetime_to_microtime;
+ void *__unused_was_thread_set_workq_pri;
+ void *__unused_was_thread_set_workq_qos;
/* osfmk/kern/thread.h */
struct uthread* (*get_bsdthread_info)(thread_t th);
- void (*thread_sched_call)(thread_t t, sched_call_t call);
- void (*thread_static_param)(thread_t t, boolean_t state);
- kern_return_t (*thread_create_workq)(task_t t, thread_continue_t c, thread_t *new_t);
+ void *__unused_was_thread_sched_call;
+ void *__unused_was_thread_static_param;
+ void *__unused_was_thread_create_workq_waiting_parameter;
kern_return_t (*thread_policy_set_internal)(thread_t t, thread_policy_flavor_t flavour, thread_policy_t info, mach_msg_type_number_t count);
- /* osfmk/kern/affinity.h */
- kern_return_t (*thread_affinity_set)(thread_t thread, uint32_t tag);
+ void *__unused_was_thread_affinity_set;
/* bsd/sys/systm.h */
void (*unix_syscall_return)(int error);
- /* osfmk/kern/zalloc.h */
- void* (*zalloc)(zone_t zone);
- void (*zfree)(zone_t zone, void* ptr);
- zone_t (*zinit)(vm_size_t, vm_size_t maxmem, vm_size_t alloc, const char *name);
+ void *__unused_was_zalloc;
+ void *__unused_was_zfree;
+ void *__unused_was_zinit;
/* bsd/kerb/kern_sig.c */
void (*__pthread_testcancel)(int);
/* mach/thread_act.h */
kern_return_t (*thread_resume)(thread_act_t target_act);
- /* osfmk/<arch>/machine_routines.h */
- int (*ml_get_max_cpus)(void);
-
- #if defined(__arm__)
- uint32_t (*map_is_1gb)(vm_map_t);
- #endif
+ void *__unused_was_ml_get_max_cpus;
+#if defined(__arm__)
+ void *__unused_was_map_is_1gb;
+#endif
- /* <rdar://problem/12809089> xnu: struct proc p_dispatchqueue_serialno_offset additions */
- uint64_t (*proc_get_dispatchqueue_serialno_offset)(struct proc *p);
- void (*proc_set_dispatchqueue_serialno_offset)(struct proc *p, uint64_t offset);
+ void *__unused_was_proc_get_dispatchqueue_serialno_offset;
+ void *__unused_was_proc_set_dispatchqueue_serialno_offset;
- int (*proc_usynch_thread_qos_add_override_for_resource_check_owner)(thread_t thread, int override_qos, boolean_t first_override_for_resource,
- user_addr_t resource, int resource_type, user_addr_t user_lock_addr, mach_port_name_t user_lock_owner);
- void *unused_was_proc_set_stack_addr_hint;
+ void *__unused_was_proc_usynch_thread_qos_add_override_for_resource_check_owner;
+ void *__unused_was_proc_set_stack_addr_hint;
uint32_t (*proc_get_pthread_tsd_offset)(struct proc *p);
void (*proc_set_pthread_tsd_offset)(struct proc *p, uint32_t pthread_tsd_offset);
kern_return_t (*thread_policy_get)(thread_t t, thread_policy_flavor_t flavor, thread_policy_t info, mach_msg_type_number_t *count, boolean_t *get_default);
boolean_t (*qos_main_thread_active)(void);
- kern_return_t (*thread_set_voucher_name)(mach_port_name_t voucher_name);
+ kern_return_t (*thread_set_voucher_name)(mach_port_name_t name);
boolean_t (*proc_usynch_thread_qos_add_override_for_resource)(task_t task, struct uthread *, uint64_t tid, int override_qos, boolean_t first_override_for_resource, user_addr_t resource, int resource_type);
boolean_t (*proc_usynch_thread_qos_remove_override_for_resource)(task_t task, struct uthread *, uint64_t tid, user_addr_t resource, int resource_type);
- boolean_t (*proc_usynch_thread_qos_reset_override_for_resource)(task_t task, struct uthread *, uint64_t tid, user_addr_t resource, int resource_type);
+ void *__unused_was_proc_usynch_thread_qos_reset_override_for_resource;
- boolean_t (*proc_init_wqptr_or_wait)(proc_t proc);
+ void *__unused_was_proc_init_wqptr_or_wait;
uint16_t (*thread_set_tag)(thread_t thread, uint16_t tag);
uint16_t (*thread_get_tag)(thread_t thread);
- int (*proc_usynch_thread_qos_squash_override_for_resource)(thread_t thread, user_addr_t resource, int resource_type);
- int (*task_get_default_manager_qos)(task_t task);
-
- int (*thread_create_workq_waiting)(task_t task, thread_continue_t thread_return, event_t event, thread_t *new_thread);
+ void *__unused_was_proc_usynch_thread_qos_squash_override_for_resource;
+ void *__unused_was_task_get_default_manager_qos;
+ void *__unused_was_thread_create_workq_waiting;
user_addr_t (*proc_get_stack_addr_hint)(struct proc *p);
void (*proc_set_stack_addr_hint)(struct proc *p, user_addr_t stack_addr_hint);
- uint64_t (*proc_get_return_to_kernel_offset)(struct proc *t);
+ void *__unused_was_proc_get_return_to_kernel_offset;
void (*proc_set_return_to_kernel_offset)(struct proc *t, uint64_t offset);
- /* indicates call is being made synchronously with workq_threadreq call */
-# define WORKLOOP_FULFILL_THREADREQ_SYNC 0x1
-# define WORKLOOP_FULFILL_THREADREQ_CANCEL 0x2
- int (*workloop_fulfill_threadreq)(struct proc *p, workq_threadreq_t req, thread_t thread, int flags);
+ void *__unused_was_workloop_fulfill_threadreq;
void (*thread_will_park_or_terminate)(thread_t thread);
- /* For getting maximum parallelism for a given QoS */
- uint32_t (*qos_max_parallelism)(int qos, uint64_t options);
+ void *__unused_was_qos_max_parallelism;
/* proc_internal.h: struct proc user_stack accessor */
user_addr_t (*proc_get_user_stack)(struct proc *p);
- void (*proc_set_user_stack)(struct proc *p, user_addr_t user_stack);
+ void *__unused_was_proc_set_user_stack;
/* padding for future */
void* _pad[69];
-
} *pthread_callbacks_t;
void
pthread_kext_register(pthread_functions_t fns, pthread_callbacks_t *callbacks);
#ifdef BSD_KERNEL_PRIVATE
-void workqueue_mark_exiting(struct proc *);
-void workqueue_exit(struct proc *);
-void workqueue_thread_yielded(void);
-sched_call_t workqueue_get_sched_callback(void);
+void thread_will_park_or_terminate(thread_t thread);
void pthread_init(void);
-
extern pthread_callbacks_t pthread_kern;
extern pthread_functions_t pthread_functions;
#endif
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