110 typedef struct _kthread {  struct
111 	struct _kthread	*t_link; /* dispq, sleepq, and free queue link */  argument
113 	caddr_t	t_stk;		/* base of stack (kernel sp value to use) */
114 	void	(*t_startpc)(void);	/* PC where thread started */
115 	struct cpu *t_bound_cpu; /* cpu bound to, or NULL if not bound */
116 	short	t_affinitycnt;	/* nesting level of kernel affinity-setting */
117 	short	t_bind_cpu;	/* user-specified CPU binding (-1 if none) */
118 	ushort_t t_flag;		/* modified only by current thread */
119 	ushort_t t_proc_flag;	/* modified holding ttproc(t)->p_lock */
120 	ushort_t t_schedflag;	/* modified holding thread_lock(t) */
121 	volatile char t_preempt;	/* don't preempt thread if set */
122 	volatile char t_preempt_lk;
123 	uint_t	t_state;	/* thread state	(protected by thread_lock) */
124 	pri_t	t_pri;		/* assigned thread priority */
125 	pri_t	t_epri;		/* inherited thread priority */
126 	pri_t	t_cpri;		/* thread scheduling class priority */
127 	char	t_writer;	/* sleeping in lwp_rwlock_lock(RW_WRITE_LOCK) */
151 	struct _kthread	*t_intr; /* interrupted (pinned) thread */  argument
168 	struct	_kthread *t_forw;	/* process's forward thread link */  argument
169 	struct	_kthread *t_back;	/* process's backward thread link */  argument
170 	struct	_kthread *t_thlink;	/* tid (lwpid) lookup hash link */  argument
174 	struct	_kthread *t_next;	/* doubly linked list of all threads */  argument
175 	struct	_kthread *t_prev;  argument
176 	ushort_t t_whystop;		/* reason for stopping */
177 	ushort_t t_whatstop;		/* more detailed reason */
178 	int	t_dslot;		/* index in proc's thread directory */
179 	struct	pollstate *t_pollstate;	/* state used during poll(2) */
180 	struct	pollcache *t_pollcache;	/* to pass a pcache ptr by /dev/poll */
181 	struct	cred	*t_cred;	/* pointer to current cred */
182 	time_t	t_start;		/* start time, seconds since epoch */
183 	clock_t	t_lbolt;		/* lbolt at last clock_tick() */
184 	hrtime_t t_stoptime;		/* timestamp at stop() */
185 	uint_t	t_pctcpu;		/* %cpu at last clock_tick(), binary */
187 	short	t_sysnum;		/* system call number */
188 	kcondvar_t	t_delay_cv;
189 	kmutex_t	t_delay_lock;
196 	disp_lock_t	*t_lockp;	/* pointer to the dispatcher lock */
197 	ushort_t 	t_oldspl;	/* spl level before dispatcher locked */
198 	volatile char	t_pre_sys;	/* pre-syscall work needed */
199 	lock_t		t_lock_flush;	/* for lock_mutex_flush() impl */
200 	struct _disp	*t_disp_queue;	/* run queue for chosen CPU */
201 	clock_t		t_disp_time;	/* last time this thread was running */
202 	uint_t		t_kpri_req;	/* kernel priority required */
219 	union __tu {
227 	} _tu;
238 	hrtime_t t_waitrq;		/* timestamp for run queue wait time */
239 	int	t_mstate;		/* current microstate */
240 	struct rprof {
243 	} *t_rprof;
251 	struct turnstile *t_prioinv;
258 	struct turnstile *t_ts;
264 	struct tsd_thread {
288 	struct _kthread	*t_priforw;	/* sleepq per-priority sublist */  argument
289 	struct _kthread	*t_priback;  argument
291 	struct sleepq	*t_sleepq;	/* sleep queue thread is waiting on */
292 	struct panic_trap_info *t_panic_trap;	/* saved data from fatal trap */
293 	int		*t_lgrp_affinity;	/* lgroup affinity */
294 	struct upimutex	*t_upimutex;	/* list of upimutexes owned by thread */
295 	uint32_t	t_nupinest;	/* number of nested held upi mutexes */
296 	struct kproject *t_proj;	/* project containing this thread */
297 	uint8_t		t_unpark;	/* modified holding t_delay_lock */
298 	uint8_t		t_release;	/* lwp_release() waked up the thread */
299 	uint8_t		t_hatdepth;	/* depth of recursive hat_memloads */
300 	uint8_t		t_xpvcntr;	/* see xen_block_migrate() */
301 	kcondvar_t	t_joincv;	/* cv used to wait for thread exit */
302 	void		*t_taskq;	/* for threads belonging to taskq */
303 	hrtime_t	t_anttime;	/* most recent time anticipatory load */
306 	char		*t_pdmsg;	/* privilege debugging message */
308 	uint_t		t_predcache;	/* DTrace predicate cache */
309 	hrtime_t	t_dtrace_vtime;	/* DTrace virtual time */
310 	hrtime_t	t_dtrace_start;	/* DTrace slice start time */
312 	uint8_t		t_dtrace_stop;	/* indicates a DTrace-desired stop */
313 	uint8_t		t_dtrace_sig;	/* signal sent via DTrace's raise() */
315 	union __tdu {
326 	} _tdu;
336 	uintptr_t	t_dtrace_pc;	/* DTrace saved pc from fasttrap */
337 	uintptr_t	t_dtrace_npc;	/* DTrace next pc from fasttrap */
338 	uintptr_t	t_dtrace_scrpc;	/* DTrace per-thread scratch location */
339 	uintptr_t	t_dtrace_astpc;	/* DTrace return sequence location */
341 	uint64_t	t_dtrace_regv;	/* DTrace saved reg from fasttrap */
343 	hrtime_t	t_hrtime;	/* high-res last time on cpu */
344 	kmutex_t	t_ctx_lock;	/* protects t_ctx in removectx() */
345 	struct waitq	*t_waitq;	/* wait queue */
346 	kmutex_t	t_wait_mutex;	/* used in CV wait functions */