Arguments

 

queue-id

   OpenVMS usage identifier
   type          longword (unsigned)
   access        read only
   mechanism     by reference
   The queue identifier. The queue-id argument is the address of an
   unsigned longword containing the identifier.
 

queue-value

   OpenVMS usage longword_signed
   type          longword (signed)
   access        write only
   mechanism     by reference
   Receives information about the specified work queue. If positive,
   queue-value contains the number of items currently in the work
   queue; if negative, it contains the number of processes currently
   blocked (waiting for an item to be placed in the queue). If the
   value returned is zero, there are no work items in the queue and
   no blocked processes. The optional queue-value argument is the
   address of a signed longword that receives the number of work
   items or blocked processes.