RD(9F) manual page
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RD, rd - get pointer to the read queue
#include <sys/stream.h>
#include <sys/ddi.h>
queue_t *RD(queue_t *q);
Architecture independent level 1
(DDI/DKI).
- q
- Pointer to the write queue whose read queue is to
be returned.
The RD() function accepts a write queue pointer
as an argument and returns a pointer to the read queue of the same module.
CAUTION: Make sure the argument to this function is a pointer to a write
queue. RD() will not check for queue type, and a system panic could result
if it is not the right type.
The pointer to the read queue.
RD() can be called from user or interrupt context.
See the
qreply(9F)
function page for an example of RD().
qreply(9F)
, WR(9F)
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