On 2/11/08, Michael Broughton <Michael_Broughton at advanis.ca> wrote: > Hello, > > Can anyone help me enumerate what locks are held (and the lock order) > when each of the PJSUA callbacks is called? Is this documented anywhere? > > These ones: > > on_incoming_call > on_call_state > on_call_media_state > > seem to hold the PJSUA lock. I suspect they might also hold a dialog lock? > Yes they do. And it's mandatory that locks must be acquired in uniform order, or otherwise we'll have deadlocks. I was pretty confident that such an important issue must have been documented somewhere, but turns out there's none of this. So for now, the only information about this is here: http://trac.pjsip.org/repos/changeset/729. I'll work on a wiki shortly. > I don't think on_dtmf_digit holds any locks. > Currently no, since DTMF comes from media and not from dialog. But I think this looks like a bug, so I think I'll add call lock here. cheers, -benny > Thanks, > > -- > Michael Broughton, Advanis > > Unintended Recipient & Unauthorized Use of E-Mail: > This message and attachments may contain confidential or privileged > information that is intended only for the named recipient of this > e-mail. Any unauthorized use or distribution is not permitted. If you > have received this e-mail in error, deleting the e-mail and notifying > the sender would be appreciated. Thank you. > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >
