Path: utzoo!attcan!uunet!mcsun!hp4nl!star.cs.vu.nl!rvdp
From: rvdp@cs.vu.nl (Ronald van der Pol)
Newsgroups: comp.unix.i386
Subject: Re: wait() & negative values
Message-ID: <7351@star.cs.vu.nl>
Date: 20 Aug 90 15:13:59 GMT
References: <70400015@m.cs.uiuc.edu>
Sender: news@cs.vu.nl
Lines: 16

carroll@m.cs.uiuc.edu writes:


>sometimes returns negative values in *loc, e.g. 0xFFFFxxyy  where xx and yy
>are the values you'd normally expect in the bottom 16 bits of the return value.
>TFM specifies the contents of the bottom 16 bits of *loc, but says absolutely
>nothing about the top 16 bits. The GNU-Emacs process internals assume that
wait(loc)
int *loc;

loc = 0xHHHH.LLLL
HHHH: low byte of child exit argument (0 on normal exit)
LLLL: termination status of child process (0 on normal exit)

--
		Ronald van der Pol  <rvdp@cs.vu.nl>