NAME

putq − put a message on a queue

SYNOPSIS

#include <sys/stream.h>
int putq(queue_t ∗q, mblk_t ∗bp);

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI). 

ARGUMENTS

q Pointer to the queue to which the message is to be added. 

bp Message to be put on the queue. 

DESCRIPTION

putq() is used to put messages on a driver’s queue after the module’s put routine has finished processing the message.  The message is placed after any other messages of the same priority, and flow control parameters are updated.  If QNOENB is not set, the service routine is enabled.  If no other processing is done, putq can be used as the module’s put routine. 

RETURN VALUES

putq() returns 1 on success and 0 on failure. 

CONTEXT

putq() can be called from user or interrupt context. 

EXAMPLE

See the datamsg(9F) function page for an example of putq(). 

SEE ALSO

datamsg(9F), putbq(9F), qenable(9F), rmvq(9F)

Writing Device Drivers
STREAMS Programming Guide

SunOS 5.5/SPARC  —  Last change: 11 Apr 1991