Messages in this thread | | | Date | Thu, 28 May 1998 16:57:46 -0400 | From | Natarajan Krishnaswami <> | Subject | Re: patch for 2.1.103 n_tty.c |
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>>>>> "Bill" == Bill Hawes <whawes@star.net> writes:
Bill> Jeanette Pauline Middelink wrote: >> I'm nt sure what the proper semantics for the read call are. >> Shouldn't it at least be the same for all read's? pipe, tty, >> fs, network, unix?
Bill> OK, I'll take a look at the pipe code as well. I would think Bill> the read() behavior should be consistent across all devices, Bill> but perhaps someone else will explain otherwise.
I just checked in the SUS 2 (at the Open Group's web site): a call to read for 0 bytes 'will return zero and have no additional results'. I would interpret that as forbidding blocking.
N.
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