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

[Alex Pennace]

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.