538 typedef struct ulwp {  struct
551 	struct ulwp	*ul_self;	/* pointer to self */  argument
559 	struct ulwp	*ul_forw;	/* forw, back all_lwps list, */  argument
560 	struct ulwp	*ul_back;	/* protected by link_lock */  argument
561 	struct ulwp	*ul_next;	/* list to keep track of stacks */  argument
562 	struct ulwp	*ul_hash;	/* hash chain linked list */  argument
563 	void		*ul_rval;	/* return value from thr_exit() */
564 	caddr_t		ul_stk;		/* mapping base of the stack */
565 	size_t		ul_mapsiz;	/* mapping size of the stack */
566 	size_t		ul_guardsize;	/* normally _lpagesize */
567 	uintptr_t	ul_stktop;	/* broken thr_stksegment() interface */
568 	size_t		ul_stksiz;	/* broken thr_stksegment() interface */
569 	stack_t		ul_ustack;	/* current stack boundaries */
570 	int		ul_ix;		/* hash index */
571 	lwpid_t		ul_lwpid;	/* thread id, aka the lwp id */
572 	pri_t		ul_pri;		/* scheduling priority */
573 	pri_t		ul_epri;	/* real-time ceiling priority */
574 	char		ul_policy;	/* scheduling policy */
575 	char		ul_cid;		/* scheduling class id */
576 	union {
582 	} ul_cp;
583 	char		ul_stop;	/* reason for stopping */
584 	char		ul_signalled;	/* this lwp was cond_signal()d */
585 	char		ul_dead;	/* this lwp has called thr_exit */
586 	char		ul_unwind;	/* posix: unwind C++ stack */
587 	char		ul_detached;	/* THR_DETACHED at thread_create() */
589 	char		ul_writer;	/* sleeping in rw_wrlock() */
590 	char		ul_stopping;	/* set by curthread: stopping self */
591 	char		ul_cancel_prologue;	/* for _cancel_prologue() */
592 	short		ul_preempt;	/* no_preempt()/preempt() */
593 	short		ul_savpreempt;	/* pre-existing preempt value */
594 	char		ul_sigsuspend;	/* thread is in sigsuspend/pollsys */
595 	char		ul_main;	/* thread is the main thread */
596 	char		ul_fork;	/* thread is performing a fork */
597 	char		ul_primarymap;	/* primary link-map is initialized */
599 	uint8_t		ul_max_spinners;	/* thread_max_spinners */
600 	char		ul_door_noreserve;	/* thread_door_noreserve */
601 	char		ul_queue_fifo;		/* thread_queue_fifo */
602 	char		ul_cond_wait_defer;	/* thread_cond_wait_defer */
603 	char		ul_error_detection;	/* thread_error_detection */
604 	char		ul_async_safe;		/* thread_async_safe */
605 	char		ul_rt;			/* found on an RT queue */
606 	char		ul_rtqueued;		/* was RT when queued */
607 	char		ul_misaligned;		/* thread_locks_misaligned */
608 	char		ul_pad[3];
609 	int		ul_adaptive_spin;	/* thread_adaptive_spin */
610 	int		ul_queue_spin;		/* thread_queue_spin */
611 	volatile int	ul_critical;	/* non-zero == in a critical region */
612 	int		ul_sigdefer;	/* non-zero == defer signals */
613 	int		ul_vfork;	/* thread is the child of vfork() */
614 	int		ul_cancelable;	/* _cancelon()/_canceloff() */
615 	char		ul_cancel_pending;  /* pthread_cancel() was called */
616 	char		ul_cancel_disabled; /* PTHREAD_CANCEL_DISABLE */
617 	char		ul_cancel_async;    /* PTHREAD_CANCEL_ASYNCHRONOUS */
618 	char		ul_save_async;	/* saved copy of ul_cancel_async */
642 	struct ulwp	*ul_link;	/* sleep queue link */  argument
643 	queue_head_t	*ul_sleepq;	/* sleep queue thread is waiting on */
644 	mutex_t		*ul_cvmutex;	/* mutex dropped when waiting on a cv */
645 	mxchain_t	*ul_mxchain;	/* chain of owned ceiling mutexes */
646 	int		ul_save_state;	/* bind_guard() interface to ld.so.1 */
647 	uint_t		ul_rdlockcnt;	/* # entries in ul_readlock array */
671 		/* they are discarded when ulwp is replaced on thr_exit() */  argument
690  * This is the size of a replacement ulwp, retained only for the benefit  argument
964 #define	ulwp_mutex(ulwp, udp)	\  argument
966 #define	ulwp_condvar(ulwp, udp)	\  argument
972 #define	ulwp_lock(ulwp, udp)	lmutex_lock(ulwp_mutex(ulwp, udp))  argument
973 #define	ulwp_unlock(ulwp, udp)	lmutex_unlock(ulwp_mutex(ulwp, udp))  argument
1223 #define	real_priority(ulwp)	\  argument