Re: [Qemu-devel] main-loop.c: About Select handling

[Stefan Hajnoczi]

On Wed, Nov 28, 2012 at 03:08:24AM +0000, Furukawa, Eiji wrote:
> About a source of qemu-1.2.0/main-loop.c
> The select handling of os_host_main_loop_wait function
> I do not seem to do Exit by interrupts such as SIGUSR1
> Will not it be necessary to make modifications?
> 
> Before
>  LineNumber:308   ret = select(nfds + 1, &rfds, &wfds, &xfds, tvarg);
> 
> After(Example)
>     do {
>         ret = select(nfds + 1, &rfds, &wfds, &xfds, tvarg);
>     } while(ret == -1 && (errno == EINTR || errno == EAGAIN))

What is the specific bug or problem you're seeing?

QEMU uses several signals internally and sets up per-thread signal masks
appropriately.

Stefan