Manual Pages for UNIX Operating System command usage for man qsize

Kernel Functions for Drivers                            qsize(9F)



NAME
     qsize - find the number of messages on a queue

SYNOPSIS
     #include 



     int qsize(queue_t *q);


INTERFACE LEVEL
     Architecture independent level 1 (DDI/DKI).

PARAMETERS
     q    Queue to be evaluated.


DESCRIPTION
     The qsize() function evaluates the queue q and  returns  the
     number of messages it contains.

RETURN VALUES
     If there are no message on the  queue,  qsize()  returns  0.
     Otherwise, it returns the integer representing the number of
     messages on the queue.

CONTEXT
     The qsize() function can be called from user, interrupt,  or
     kernel context.

SEE ALSO
     Writing Device Drivers


     STREAMS Programming Guide



















SunOS 5.11          Last change: 16 Jan 2006                    1