Tom> * Use an fd, not SIGCHLD+wait, to report inferior state changes to gdb. Tom> Internally we're already using a self-pipe to integrate this into Tom> gdb's main loop. Relatedly, don't mess with the inferior's parentage.
Andi> How would having a kernel based solution be better over your Andi> user space simulation? Signals and wait are a pain because if we want to use some random library in gdb, there might be conflicts. This is true even if we use signalfd. An fd-for-debugging does not have this problem. This matters more now that we're letting people script gdb in python. Tom
