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

Alex Pennace
2001-10-05T23:52:40Z

On Sat, Oct 06, 2001 at 12:13:17AM +0100, Alan Cox wrote:
> > The select system call doesn't return EINTR when the signal is caught
> > prior to entry into select.
>
> Your friend there is siglongjmp/sigsetjmp - the same problem was true
> with old versions of alarm that did
>
> alarm(num)
> pause()
>
> on a heavily loaded box.
>
> Using siglongjmp cures that

I was naive about siglongjump bouncing through the stack over a system
call, but it appears to be safe. Excellent.