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From: frank@croton.dec.com (Frank Wortner)
Newsgroups: comp.unix.questions,comp.unix.wizards
Subject: Re: Portable mknod ?? does it exist?
Keywords: mknod
Message-ID: <1419@riscy.dec.com>
Date: 1 Aug 89 16:29:06 GMT
References: <178@cerc.wvu.wvnet.edu.edu>
Sender: news@riscy.dec.com
Followup-To: comp.unix.questions
Organization: Digital Equipment Corporation, NYC
Lines: 29


In article <178@cerc.wvu.wvnet.edu.edu>, drs@cerc.wvu.wvnet.edu (Darrell Schiebel) writes:
= I have been attempting to write software utilizing named pipes on 
= several hardware platforms.  The same code seems to behave differently
= on each different platform. 
= 
= Sun (SunOS Release 4.0): 
=      mknod works fine
=      read blocks
= Silicon Graphics (Iris 4D1-3.1D IP6):
=      mknod works fine
=      read does not block
= DEC (Ultrix-32 V3.0):
=      mknod works fine
=      open fails with error "No such device or address" (ERRNO: 6)
= HP (HP-UX):
=      mknod fails with error "Invalid argument" (ERRNO: 22)

I tried Darrell's example on a VAXstation II running UWS 2.0 (== Ultrix 3.0)
and a DECstation 3100 running UWS 2.1 (== Ultrix 3.1), and I could not
reproduce his results.

I get:

	DEC (Ultrix-32 3.0/VAX and 3.1/RISC):
		mknod works fine
		read blocks

						Frank