On Thu, 2007-06-14 at 07:28 -0400, jamal wrote: > On Thu, 2007-14-06 at 16:59 +0800, Zhang Rui wrote: > > Hi, Jamal, > > > > Now the genl utility can find the acpi event genetlink family. > > And a simple user space demo is finished for handling acpi event. > > I really appreciate your help. :) > > np. > > > I think the patch which exposes ACPI events via netlink is ok. > > But I still have some problems on > > how to listen to specified genetlink family in user space? > > > > I can get the dynamic id for "acpi_event" genl family. > > But I don't know how to use this to receive messages from > > specified genl family. > > It seems that "#genl ctrl monitor" has something to do with this, > > IMO, rtnl_open_byproto(&rth, nl_mgrp(GENL_ID_CTRL), NETLINK_GENERIC) is > > used to receive messages from the nlctrl(controller) only, but > > unfortunately it never works for me. :( > > > > I dont have much time to look at your code given travel, but did you > try to use your group id instead of the controller's? > i.e: > rtnl_open_byproto(&rth, nl_mgrp(mydiscoveredacpiid), NETLINK_GENERIC) > Yes. It doesn't work if I use my group id here. In fact, I'm using rtnl_open_byproto(&rth, 1, NETLINK_GENERIC) now. That's why I said that this demo receives all the broadcasted genetlink messages. > If this doesnt work, ping me and i will take a look - just expect some > latency in response. > That's great. Thanks. Best regards, Rui - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html