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Annotation of 42BSD/ingres/source/ctlmod/pb_flush.c, revision 1.1

1.1     ! root        1: # include      "ctlmod.h"
        !             2: # include      "pipes.h"
        !             3: # include      <sccs.h>
        !             4: 
        !             5: SCCSID(@(#)pb_flush.c  7.1     2/5/81)
        !             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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