On Thu, Mar 10, 2011 at 1:45 PM, Anthony Liguori <aligu...@us.ibm.com> wrote: > On 03/10/2011 07:06 AM, Paolo Bonzini wrote: >> >> On 03/10/2011 01:59 PM, Corentin Chary wrote: >>> >>> Instead, we now store the data in a temporary buffer, and use a socket >>> pair to notify the main thread that new data is available. >> >> You can use a bottom half for this instead of a special socket. Signaling >> a bottom half is async-signal- and thread-safe. > > Bottom halves are thread safe? > > I don't think so.
The bottom halves API is not thread safe, but calling qemu_bh_schedule_idle() in another thread *seems* to be safe (here, it would be protected from qemu_bh_delete() by vnc_lock_output()). -- Corentin Chary http://xf.iksaif.net
