 Home |
Products |
Support |
Community |
News |
xen-devel
Re: [Xen-devel] Event Channel Semantics
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | Re: [Xen-devel] Event Channel Semantics |
| From: | Mark Williamson <mark.williamson@xxxxxxxxxxxx> |
| Date: | Thu, 9 Nov 2006 15:34:35 +0000 |
| Cc: | Julian Stecklina <der_julian@xxxxxx> |
| Delivery-date: | Thu, 09 Nov 2006 07:33:50 -0800 |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxx |
| In-reply-to: | <eiv1tb$8t5$1@xxxxxxxxxxxxx> |
| List-help: | <mailto:xen-devel-request@lists.xensource.com?subject=help> |
| List-id: | Xen developer discussion <xen-devel.lists.xensource.com> |
| List-post: | <mailto:xen-devel@lists.xensource.com> |
| List-subscribe: | <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe> |
| List-unsubscribe: | <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe> |
| References: | <eiv1tb$8t5$1@xxxxxxxxxxxxx> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| User-agent: | KMail/1.9.5 |
> I am developing some userspace tools on Xen/Linux and have problems > regarding the semantics of /dev/linux/evtchn. The situation is as follows: > > Suppose client A allocates an unbound port. > Client B connects to this via bind_interdomain. > Client A reads on /dev/linux/evtchn to see whether it has been notified. > > If client B now notifies client A, the latter gets the correct port from > the call to read(). But all subsequent notifications get lost, and > client A just sits there blocking on read(). > > Is this intended? If not, where is the problem? Are you clearing the event channel after receiving the first notification? Cheers, Mark -- Dave: Just a question. What use is a unicyle with no seat? And no pedals! Mark: To answer a question with a question: What use is a skateboard? Dave: Skateboards have wheels. Mark: My wheel has a wheel! _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | [Xen-devel] Re: [PATCH] shorten the x86_64 boot setup GDT to what the comment says, Jan Beulich |
|---|---|
| Next by Date: | Re: [Xen-devel] Re: [PATCH] shorten the x86_64 boot setup GDT to what the comment says, Andi Kleen |
| Previous by Thread: | [Xen-devel] Event Channel Semantics, Julian Stecklina |
| Next by Thread: | [Xen-devel] Re: Event Channel Semantics, Julian Stecklina |
| Indexes: | [Date] [Thread] [Top] [All Lists] |
