On Wed, 15 Dec 2021 at 13:23, Stefan Hajnoczi <stefa...@redhat.com> wrote: > > On Wed, Dec 15, 2021 at 12:18:16PM +0000, Amir Gonnen wrote: > > Easier/faster synchronization is just one side of the issue. > > It's much easier to debug a single process or profile it, for example. It's > > also easier to deploy and maintain a single process. > > > > For now, the only "global state" problem I had to fix was Glib global > > context. > > I didn't see an issue with posix signals. Any other global state you think > > I should take care of? > > Signal handlers are interesting because they are per-process, not > per-thread. Luckily QEMU doesn't use signals that much. Accelerators > like KVM use SIGUSR1 while TCG doesn't rely on signals.
I think TCG also uses SIGUSR1 for SIG_IPI. -- PMM
