Messages in this thread | | | Date | Tue, 5 Jun 2007 20:00:13 -0500 | From | Matt Mackall <> | Subject | Re: [PATCH 4/6] lguest don't signal like crazy, use LHREQ_BREAK command |
| |
On Wed, Jun 06, 2007 at 10:07:46AM +1000, Rusty Russell wrote: > On Tue, 2007-06-05 at 10:34 -0500, Matt Mackall wrote: > > On Wed, Jun 06, 2007 at 01:00:06AM +1000, Rusty Russell wrote: > > > We currently use a "waker" process: a child of the launcher which > > > selects() on the incoming file descriptors. It sends a SIGUSR1 to the > > > launcher whenever select() returns to kick the launcher out of the > > > kernel. > > > > If I break out of lguest with three ctrl-Cs, this leaves one of the > > lguest processes running with /dev/lguest held open. > > This patch, or the previous version I sent? The previous one had this > issue, so this one takes some care to kill the waker and I haven't seen > it since: > > /* Make sure waker is not blocked in BREAK */ > u32 args[] = { LHREQ_BREAK, 0 }; > close(waker_fd); > write(fd, args, sizeof(args)); > exit(2);
Probably the one you sent earlier.
-- Mathematics is the supreme nostalgia of our time. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |