SQ_MESSAGES
{ SF(SQ_MESSAGES), "There are messages on syncq" },
EQUIV(sq->sq_head, (sq->sq_flags & SQ_MESSAGES)); \
sq->sq_flags |= SQ_MESSAGES; \
ASSERT((sq->sq_flags & SQ_MESSAGES) != 0); \
waitflags |= SQ_MESSAGES;
sq->sq_flags &= ~SQ_MESSAGES; \
ASSERT(!(outer->sq_flags & SQ_MESSAGES));
waitflags |= SQ_MESSAGES;
#define SQ_QUEUED (SQ_MESSAGES | SQ_EVENTS)