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Communications Technical Reference, Volume 2
flushq Utility
Purpose
Flushes a queue.
Syntax
void flushq(q, flag)
register queue_t *q;
int flag;
Description
The flushq utility removes messages from the message queue specified by the q parameter and then frees them using the freemsg utility.
If a queue behind the q parameter is blocked, the flushq utility may enable the blocked queue, as described in the putq utility.
Parameters
| q |
Specifies the queue to flush. |
| flag |
Specifies the types of messages to flush. Possible values are:
| FLUSHDATA |
Discards all M_DATA, M_PROTO, M_PCPROTO, and M_DELAY messages, but leaves all other messages on the queue. |
| FLUSHALL |
Discards all messages from the queue. |
|
Implementation Specifics
This utility is part of STREAMS Kernel Extensions.
Related Information
The freemsg utility, putq utility.
List of Streams Programming References and Understanding STREAMS Messages in AIX Version 4.3 Communications Programming Concepts.
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