On Thu, 8 Mar 2007, David M. Lloyd wrote: > On Wed, 2007-03-07 at 17:21 -0800, Davide Libenzi wrote: > > int signalfd_dequeue(int fd, siginfo_t *info, long timeo); > > > > The "fd" parameter must ba a signalfd file descriptor. The "info" parameter > > is a pointer to the siginfo that will receive the dequeued signal, and > > "timeo" is a timeout in milliseconds, or -1 for infinite. > > The signalfd_dequeue function returns 0 if successfull. > > Does this support non-blocking mode? It doesn't seem to at my level of > understanding anyway. If I use this with EPOLLET for example, I'd > expect to get a single EPOLLIN when a signal arrives, which would > indicate to me that I must call signalfd_dequeue() in a loop until I get > EAGAIN in order to be sure I've consumed all the outstanding signals so > that the edge-triggered notification can be "re-armed". > > Make sense?
Yes, the new version can use the O_NONBLOCK flag and read(2) will return EAGAIN. Will post a newer version later, together with timerfd ... - Davide - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
