Re: Desperately missing a working "pselect()" or similar...

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 8 Oct 2001 18:24:45 +0100 (BST)

> > siglongjmp doesnt have to make any syscalls so intuitively I'd say it
> > ought to be more efficient
>
> Are you sure? Doesn't sigsetjmp() call sigprocmask in order to obtain
> the current signal mask?

and intuition is a dangerouns thing. I didnt realise glibc didnt cache
the procmask
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