Re: testers needed: fifo & POLLHUP & POLLERR

From: Romano Giannetti (romano@dea.icai.upco.es)
Date: Wed Mar 08 2000 - 10:28:54 EST


Alpha machine:

fifotest OS: sysname OSF1
     release V4.0
     version 878
     machine alpha

  supported poll flags:
   POLLIN: 1h
   POLLRDNORM: 40h
   POLLRDBAND: 80h
   POLLPRI: 2h
   POLLOUT: 4h
   POLLWRNORM: 100h
   POLLWRBAND: 200h
   POLLERR: 8h
   POLLHUP: 10h
   POLLNVAL: 20h
 --> pollflags 3c7h.
fifo, single reader, no writer, fd_r: ret 1, errno 0, flags 45h.
fifo, reader, writer, empty, fd_r: ret 1, errno 0, flags 4h.
fifo, reader, writer, empty, fd_w: ret 1, errno 0, flags 4h.
close(WR)
fifo, reader, writer gone, empty, fd_r: ret 1, errno 0, flags 45h.
open(WR)
fifo, reader, writer reappeared, empty, fd_r: ret 1, errno 0, flags 4h.
fifo, reader, writer reappeared, empty, fd_w: ret 1, errno 0, flags 4h.
write()
fifo, reader, writer, 1 byte, fd_r: ret 1, errno 0, flags 45h.
fifo, reader, writer, 1 byte, fd_w: ret 1, errno 0, flags 45h.
fifo, reader, writer gone, 1 byte, fd_r: ret 1, errno 0, flags 45h.
read()
fifo, reader, writer gone, empty, fd_r: ret 1, errno 0, flags 45h.
open(WR)
fifo, reader, writer reappeared, empty, fd_r: ret 1, errno 0, flags 4h.
close(RD)
fifo, no reader, writer, empty, fd_w: ret 1, errno 0, flags 4h.

-- 
Romano Giannetti             -  Univ. Pontificia Comillas (Madrid, Spain)
Electronic Engineer - phone +34 915 422 800 ext 2416  fax +34 915 596 569

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