1: # include   "ctlmod.h"
   2: # include   "pipes.h"
   3: # include   <sccs.h>
   4: 
   5: SCCSID(@(#)pb_flush.c	8.1	12/31/84)
   6: 
   7: /*
   8: **  PB_FLUSH -- flush a pipe buffer
   9: **
  10: **	This routine insures that all the data in a pipe buffer
  11: **	is flushed out to the pipe.
  12: **
  13: **	We also handle input switching in this routine.  If the
  14: **	message we are writing is not merely informational (such
  15: **	as an error message, or some sort of meta message), we
  16: **	change the input to be whatever pipe the named process
  17: **	will write back on.
  18: **
  19: **	Parameters:
  20: **		ppb -- a ptr to the pipe buffer to flush.
  21: **
  22: **	Returns:
  23: **		none
  24: **
  25: **	Side Effects:
  26: **		none
  27: **
  28: **	Trace Flags:
  29: **		none
  30: */
  31: 
  32: pb_flush(ppb)
  33: register pb_t   *ppb;
  34: {
  35:     /* mark this as an EOF block and flush the buffer */
  36:     ppb->pb_stat |= PB_EOF;
  37:     pb_write(ppb);
  38: }
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