- Setup a signal handler for the vcpu thread for that signal. It does not have to do anything
- When a signal is sent to the thread hosting the VM it will result in EINTR (not a reported kvm exit reason)
signal(SIGUSR1,sig_func); // Register signal handler inside thread, the function is empty
ret = ioctl(kvm->vcpus->vcpu_fd, KVM_RUN, 0);
if (ret < 0) {