107 struct as {  struct
109 	uchar_t  a_flags;	/* as attributes */  argument
111 	kcondvar_t a_cv;	/* used by as_rangelock */  argument
114 	caddr_t	a_userlimit;	/* highest allowable address in this as */  argument
115 	struct seg *a_seglast;	/* last segment hit on the addr space */  argument
118 	struct seg *a_lastgap;	/* last seg found by as_gap() w/ AS_HI (mmap) */  argument
119 	struct seg *a_lastgaphl; /* last seg saved in as_gap() either for */  argument
124 	timespec_t a_updatetime;	/* time when mappings last changed */  argument
127 	struct as_callback *a_callbacks; /* callback list */  argument
140 #define	AS_ISPGLCK(as)		((as)->a_flags & AS_PAGLCK)  argument
141 #define	AS_ISCLAIMGAP(as)	((as)->a_flags & AS_CLAIMGAP)  argument
142 #define	AS_ISUNMAPWAIT(as)	((as)->a_flags & AS_UNMAPWAIT)  argument
143 #define	AS_ISBUSY(as)		((as)->a_flags & AS_BUSY)  argument
144 #define	AS_ISNOUNMAPWAIT(as)	((as)->a_flags & AS_NOUNMAPWAIT)  argument
146 #define	AS_SETPGLCK(as)		((as)->a_flags |= AS_PAGLCK)  argument
147 #define	AS_SETCLAIMGAP(as)	((as)->a_flags |= AS_CLAIMGAP)  argument
148 #define	AS_SETUNMAPWAIT(as)	((as)->a_flags |= AS_UNMAPWAIT)  argument
149 #define	AS_SETBUSY(as)		((as)->a_flags |= AS_BUSY)  argument
150 #define	AS_SETNOUNMAPWAIT(as)	((as)->a_flags |= AS_NOUNMAPWAIT)  argument
152 #define	AS_CLRPGLCK(as)		((as)->a_flags &= ~AS_PAGLCK)  argument
153 #define	AS_CLRCLAIMGAP(as)	((as)->a_flags &= ~AS_CLAIMGAP)  argument
154 #define	AS_CLRUNMAPWAIT(as)	((as)->a_flags &= ~AS_UNMAPWAIT)  argument
155 #define	AS_CLRBUSY(as)		((as)->a_flags &= ~AS_BUSY)  argument
156 #define	AS_CLRNOUNMAPWAIT(as)	((as)->a_flags &= ~AS_NOUNMAPWAIT)  argument
158 #define	AS_TYPE_64BIT(as)	\  argument
243 #define	AS_LOCK_ENTER(as, type)		rw_enter(&(as)->a_lock, \  argument
245 #define	AS_LOCK_EXIT(as)		rw_exit(&(as)->a_lock)  argument
246 #define	AS_LOCK_DESTROY(as)		rw_destroy(&(as)->a_lock)  argument
247 #define	AS_LOCK_TRYENTER(as, type)	rw_tryenter(&(as)->a_lock, \  argument
253 #define	AS_LOCK_HELD(as)		RW_LOCK_HELD(&(as)->a_lock)  argument
254 #define	AS_READ_HELD(as)		RW_READ_HELD(&(as)->a_lock)  argument
255 #define	AS_WRITE_HELD(as)		RW_WRITE_HELD(&(as)->a_lock)  argument
260 #define	AS_SEGFIRST(as)		avl_first(&(as)->a_segtree)  argument
261 #define	AS_SEGNEXT(as, seg)	AVL_NEXT(&(as)->a_segtree, (seg))  argument
262 #define	AS_SEGPREV(as, seg)	AVL_PREV(&(as)->a_segtree, (seg))  argument