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From: adtaiwo@athena.mit.edu (Ademola Taiwo)
Newsgroups: comp.unix.questions,comp.unix.wizards
Subject: Re: "usleep" routine in HP's
Keywords: select
Message-ID: <11243@bloom-beacon.MIT.EDU>
Date: 9 May 89 01:49:01 GMT
References: <23340@shemp.CS.UCLA.EDU> <5740041@hpfcdc.HP.COM> <11215@bloom-beacon.MIT.EDU> <17374@mimsy.UUCP>
Sender: daemon@bloom-beacon.MIT.EDU
Reply-To: adtaiwo@athena.mit.edu (Ademola Taiwo)
Organization: Massachusetts Institute of Technology
Lines: 15


In article <17374@mimsy.UUCP> chris@mimsy.UUCP (Chris Torek) writes:
>>In article <17358@mimsy.UUCP> I wrote:
>>>you cannot implement sighold, sigpause, and sigrelse reliably.
>>>You cannot reliably implement select with anything other than poll().
>The key word is *reliable*; that was the whole point of the 4.1BSD
>jobs library, and later the 4.2BSD reliable signals.
>In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)

Okay, you guys are right. What to do? I need these routines
desperately and since I have been fooling around with
my kernel and I am willing to add more stuff to it if this is the only
way to implement them reliably.
Maybe the quetion is, Is there a way to implememnt these routines
under xenix? I really need them. -Thanks.