Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!uunet!mcsun!hp4nl!star.cs.vu.nl!ast
From: ast@cs.vu.nl (Andy Tanenbaum)
Newsgroups: comp.os.minix
Subject: Re: New wait.h
Message-ID: <4507@ast.cs.vu.nl>
Date: 10 Nov 89 23:28:50 GMT
References: <4463@ast.cs.vu.nl> <1684@bruce.OZ>
Reply-To: ast@cs.vu.nl (Andy Tanenbaum)
Organization: VU Informatica, Amsterdam
Lines: 10

In article <1684@bruce.OZ> cechew@bruce.OZ (Earl Chew) writes:
>#define WIFSIGNALED(__s)	((unsigned int) ((__s) - 1 & 0xffff) < 0xff)

You may be right, but I find mine an awful lot clearer:

#define WIFSIGNALED(--s)        (_HIGH(__s) == 0 && __s != 0)

Does anyone know if mine is ok?

Andy Tanenbaum (ast@cs.vu.nl)