From: "Ohad Ben-Cohen" <ohad@bencohen.org>
To: pavan_savoy@indiatimes.com
Cc: linux-bluetooth@vger.kernel.org
Subject: Re: HCI_Reset and Notification to User-Space
Date: Tue, 29 Jul 2008 17:45:25 +0300 [thread overview]
Message-ID: <4f436aae0807290745j3a636acfode2598b9b4229999@mail.gmail.com> (raw)
In-Reply-To: <1399758677.27391217338854603.JavaMail.root@mbv7.indiatimes.com>
Pavan,
Please don't top-post.
On Tue, Jul 29, 2008 at 4:40 PM, <pavan_savoy@indiatimes.com> wrote:
> Also hci_notify notifies a HCI_DEV_REG event thru' the notifier chain, what I couldnt get was, how does HCI-daemon wait on it.
> (related to g_io_add_watch or something was my guess, but not sure..., or is it using the Stack-Internal Socket Events? which would require hci_dev_open to be called.)
>
> I until now had thought notifier chains are used only for inter-kernel notifications. I guess I was wrong.
The notification IS sent to a kernel client - the hci_sock_dev_event
function. That function in turn sends the event to a user space via a
socket which was created and watched by hcid beforehand. Check out
hcid's main function for more details.
Regards,
Ohad.
next prev parent reply other threads:[~2008-07-29 14:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-29 12:09 HCI_Reset and Notification to User-Space pavan_savoy
2008-07-29 13:03 ` Ohad Ben-Cohen
2008-07-29 13:40 ` pavan_savoy
2008-07-29 14:45 ` Ohad Ben-Cohen [this message]
[not found] ` <723119697.28261217339091256.JavaMail.root@mbv7.indiatimes.com>
2008-07-29 14:45 ` Ohad Ben-Cohen
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