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flushband(9r)


NAME

  flushband - STREAMS: Flushes messages for a specified priority band


SYNOPSIS

  #include <sys/stream.h>

  void flushband(
	  queue_t *queue,
	  unsigned char pri,
	  int flag );


ARGUMENTS

  queue
      Specifies a pointer to the queue. The typedef queue_t is an alternate
      name for struct queue_entry *.

  pri Specifies the priority of the message to be flushed.

  flag
      Specifies one of the following flag flush values:

      FLUSHDATA
	      Flush only data messages.	 These data messages are represented
	      by the M_DATA, M_DELAY, M_PROTO, and M_PCPROTO constants.

      FLUSHALL
	      Flush all messages. Requests a realtime delay.


DESCRIPTION

  The flushband interface flushes messages associated with the priority band
  specified by the pri argument.  If pri is zero (0), flushband flushes only
  normal and high priority messages. Otherwise, flushband flushes messages
  from the priority band specified by the pri argument according to the value
  passed to the flag argument.


RETURN VALUES

  None


SEE ALSO

  Kernel Interfaces: allocb(9r), flushq(9r)

  Programmer's Guide: STREAMS

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