qreply(D3) qreply(D3)
NAME
qreply - send a message in the opposite direction in a stream
SYNOPSIS
#include <sys/stream.h>
#include <sys/ddi.h>
void qreply(queue_t *q, mblk_t *bp);
Arguments
q Pointer to the queue from which the message is being
sent.
bp Pointer to the message to be sent in the opposite
direction.
DESCRIPTION
qreply sends a message in the opposite direction from that
which q is pointing. It calls the OTHERQ(D3) function to find
q's partner, and passes the message by calling the put(D2)
routine of the next queue in the stream after q's partner.
Return Values
None
USAGE
Level
Base or Interrupt.
Synchronization Constraints
Does not sleep.
Driver-defined basic locks, read/write locks, and sleep locks
may not be held across calls to this function.
The caller cannot have the stream frozen [see freezestr(D3)]
when calling this function.
Examples
See put(D2) for an example of qreply.
REFERENCES
OTHERQ(D3), put(D2), putnext(D3)
NOTICES
Copyright 1994 Novell, Inc. Page 1
qreply(D3) qreply(D3)
Portability
All processors
Applicability
ddi: 1, 2, 3, 4, 5, 5mp, 6, 6mp, 7, 7mp
Copyright 1994 Novell, Inc. Page 2