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From: chip@ateng.ateng.com (Chip Salzenberg)
Newsgroups: comp.unix.wizards,comp.unix.xenix
Subject: Re: pid rollover?
Message-ID: <1989Jan31.164710.19502@ateng.ateng.com>
Date: 31 Jan 89 21:47:09 GMT
References: <460@oglvee.UUCP>
Organization: A T Engineering, Tampa, FL
Lines: 12

According to jr@oglvee.UUCP (Jim Rosenberg):
>Our system is an Altos 2000 running Xenix System V.  The CPU is a 386, and
>the C compiler produces 4 as sizeof(int).  However we seem to be hitting
>rollover of pids at 32K, implying that the kernel must be using short as the
>type of a pid -- at least internally.

The getpid() system call has to work for '286 binaries under Xenix/386.
So all pids must be representable as a 16-bit integers.
-- 
Chip Salzenberg             <chip@ateng.com> or <uunet!ateng!chip>
A T Engineering             Me?  Speak for my company?  Surely you jest!
	  "It's no good.  They're tapping the lines."