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Bugtraq archives for 1st quarter (Jan-Mar) 1997: Re: signal handling

Re: signal handling

Alex Belits (abelitsphobos.illtel.denver.co.us)
Mon, 6 Jan 1997 17:50:22 -0800 

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