ctrl+c and destructors

[Sean Kelly]

On Oct 1, 2013, at 10:12 PM, H. S. Teoh <hsteoh at quickfur.ath.cx> wrote:
> 
> Now, having *druntime* throw an exception upon ctrl-C is something
> totally different, and yes it will require some kind of scaffolding/hack
> to make it work, 'cos the exception must propagate outside of signal
> handler context.

I believe the way this currently works is by dynamically modifying code at the point the SEGV occurred, which first patches up the code that was modified and then throws.  But if the SEGV was inside a system call, you could be in serious trouble, since that code isn't exception safe.