Re: ptrace/select/signal errno weirdness

[Linus Torvalds]

On Thu, 15 Aug 2002, Brian Wellington wrote:
> 
> If that's the case, then how does
> 	fprintf(stderr, "select: %s\n", strerror(errno));
> print
> 	select: Unknown error 514
> ?
> 
> That's the traced process printing the error, not the tracing process.

Ahh, dang, there's a patch floating around for this case. Basically, 
tracing interferes with the normal behaviour (ie you _shouldn't_ see this 
normally, only when tracing system calls).

		linus