On Nov 13, 2007 11:42 PM, Dor Laor <[EMAIL PROTECTED]> wrote: > Anthony Liguori wrote: > > I've been experimenting with creating IO threads for the PV device > > drivers. Unfortunately, my experiments haven't gotten very far as QEMU > > tends to hang up a bit into booting the guest whenever I spawn a thread > > that does any sort of read/write on a file descriptor. My suspicion is > > that it has something to do with signals being delivered to the wrong > > thread but after masking out all the signals for this thread, I still > > had no luck. > > > Maybe you set the mask too late? try setting it before creating the thread: > sigfillset(&thread_sig_mask); > sigdelset(&thread_sig_mask,SIGILL); > sigdelset(&thread_sig_mask,SIGFPE); > sigdelset(&thread_sig_mask,SIGSEGV);
When using RTC or HPET for timing you also need to mask SIGIO; you may also need to change F_SETOWN (enable_sigio_timer) with the correct thread id, i.e.: fcntl(fd, F_SETOWN, gettid()); Luca ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
