Re: ptrace single-stepping change breaks Wine

[Daniel Jacobowitz]

On Thu, Dec 30, 2004 at 09:47:42PM -0800, Linus Torvalds wrote:
> So I looked at just sharing the code with the debug trap handler, and the
> result is appended. strace works, as does all the TF tests I've thrown at
> it, and the code actually looks better anyway (the old do_debug code looks
> like it got the EIP wrong in VM86 mode, for example, this just cleans 
> that up too). Just use a common "send_sigtrap()" routine.
>
> Does this look saner?

Lots, I like it.  The syscall trap will always be delivered before the
single-step trap, right, because signal delivery won't run until we
return to userspace?