SVR5 and SCO OpenServer 5

RD(D3str)

RD -- get a pointer to the read queue

Synopsis

   #include <sys/stream.h>
   #include <sys/ddi.h>
   queue_t *RD(queue_t *q);

The RD function accepts a queue pointer as an argument and returns a pointer to the read queue of the same module or driver.

The pointer to the read queue.

Note that when RD is passed a read queue pointer as an argument, it returns a pointer to this read queue.

Base or Interrupt.

Does not block.

Driver-defined basic locks, read/write locks, and sleep locks may be held across calls to this function.

All

ddi: 1, 2, 3, 4, 5, 5mp, 6, 6mp, 7, 7mp, 7.1, 7.1mp, 8, 8mp
oddi: 1, 2, 2mp, 3, 3mp, 4, 4mp, 5, 5mp, 6, 6mp

See the put(D2str) function page for an example of RD.