Re: [Xen-devel] Re: [Qemu-devel] [PATCH 01/13] Handle terminating signals.

[Avi Kivity <avi@xxxxxxxxxxxx>]

Ian Jackson wrote:
> > In KVM, we sleep for 1s in select() and use signalfd() to receive the 
> > aio notifications.  For older hosts, we emulate signalfd using a thread 
> > and the pipe-to-self trick.
> >     
> Why does it need a thread ?  You can just write to the pipe in the
> signal handler.  I'll post my code.
>   
Not sure that it matters, but the semantics are slightly different:  
with a thread you don't get EINTR in random syscalls as the signal 
thread is the only one that has the signals unblocked.
--
error compiling committee.c: too many arguments to function


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