common/sys/strsubr.h

353  * syncq's for the module point (through sq_outer) to an outer perimeter
354  * syncq. The outer perimeter consists of the doubly linked list (sq_onext and
355  * sq_oprev) linking all the inner perimeter syncq's with out outer perimeter
356  * syncq. This is used to implement qwriter(OUTER) (an asynchronous way of
439 struct syncq {
440 	kmutex_t	sq_lock;	/* atomic access to syncq */
444 	 * Distributed syncq scheduling
453 	mblk_t		*sq_evhead;	/* Event message on the syncq */
459 	uint16_t	sq_type;	/* type (concurrency) of syncq */
472 	 * Links forming an outer perimeter from one outer syncq and
475 	struct syncq	*sq_outer;	/* Pointer to outer perimeter */
476 	struct syncq	*sq_onext;	/* Linked list of syncq's making */
477 	struct syncq	*sq_oprev;	/* up the outer perimeter. */
488 	 * These two fields are used for scheduling a syncq for
492 	struct syncq	*sq_next;	/* for syncq scheduling */
498 	 * Maximum priority of the queues on this syncq.
502 typedef struct syncq syncq_t;
509 #define	SQ_DISABLED	0x4		/* don't put syncq in service list */
525 #define	SQ_MESSAGES	0x0010		/* messages on syncq */
540  * or put the message on the syncq.
545  * If any of these flags are set it not possible to drain the syncq
550  * Flags to trigger syncq tail processing.
601  * Other syncq types which are not copied into flags.
696  * The syncq is included here to reduce memory fragmentation
704 	struct syncq	qu_syncq;	/* syncq - must be third */
718  * List of syncq's used by freeezestr/unfreezestr
965  * syncq message manipulation macros.
968  * Put a message on the queue syncq.