On 13 December 2016 at 06:32, Peter Grehan wrote:
>> I've dug around in the FreeBSD kevent and signal man pages but I
>> cannot find any part which describes anything of the semantics which
>> bhyve seems to be relying on (which seems to be that the system call
>> in the target thread will return
On 14 December 2016 at 00:05, Tycho Nightingale wrote:
> On Dec 13, 2016, at 1:32 AM, Peter Grehan wrote:
>>> I have a secondary concern which is what happens if the IO thread is
>>> on its way to making a blocking system call in blockif_proc but has
>>> not actually done so when the signal is de
Hi,
On Dec 13, 2016, at 1:32 AM, Peter Grehan wrote:
> Hi Ian,
>
>> To recap my understanding of the mechanisms at work (glossing over the
>> queue handling and condvars involved etc), the bhyve block_if
>> infrastructure registers a callback for SIGCONT with the mevent
>> subsystem, which is
Hi Ian,
To recap my understanding of the mechanisms at work (glossing over the
queue handling and condvars involved etc), the bhyve block_if
infrastructure registers a callback for SIGCONT with the mevent
subsystem, which is a kevent/kqueue thing which delivers events to the
main thread (mevent_
