Il 25/07/2012 00:33, Nicholas A. Bellinger ha scritto:
> +int event_notifier_notify(EventNotifier *e)
> +{
> +uint64_t value = 1;
> +int r;
> +
> +assert(event_notifier_valid(e));
> +r = write(e->fd, &value, sizeof(value));
> +if (r < 0) {
> +return -errno;
> +}
> +
From: Stefan Hajnoczi
Event notifiers that have not had the event_notifier_init() function
called on them are invalid. The event_notifier_valid() function checks
whether or not an event notifier is valild. This can be used to check
whether a notifier is in use or not.
It sometimes useful to no
