[3898] in bugtraq
Re: signal handling
daemon@ATHENA.MIT.EDU (Alex Belits)
Mon Jan 6 22:33:43 1997
Date: Mon, 6 Jan 1997 17:50:22 -0800
Reply-To: Alex Belits <abelits@phobos.illtel.denver.co.us>
From: Alex Belits <abelits@phobos.illtel.denver.co.us>
X-To: Peter Jeremy <jeremyp@gsms01.alcatel.com.au>
To: Multiple recipients of list BUGTRAQ <BUGTRAQ@NETSPACE.ORG>
In-Reply-To: <199701062110.IAA08366@gsms01.alcatel.com.au>
On Tue, 7 Jan 1997, Peter Jeremy wrote:
> >Proper behaviour would be to have the sighandlers set volatile variables
> >and checking these in appropriate places in the normal flow of control,
> Actually, I seem to recall that this is the _only_ behaviour that is
> allowed in signal handlers according to the ANSI C (or maybe POSIX)
> standards - anything else is implementation defined.
On all systems there is a set of system calls allowed from the signal
handler. I'm not sure, which standard it is, but, say write() is allowed.
--
Alex
