On 2/13/08, Norman Franke <norman at myasd.com> wrote: > > And, as I found out the hard way, you need to be very careful when calling > PJ functions that will lock things you may not know about. This gets trick > with callbacks, since they have already locked things, so locking an > app-lock poses issues (e.g. your DB lock, though you probably shouldn't be > calling DB functions from a callback.) A main thread function would want to > lock the app lock, but when it calls various PJ functions, it can deadlock > with your callback. I sort of get around this by trying to not call any PK > functions if I have an app lock. Ouch sorry to hear that, hopefully the article helps understanding how locking works a bit. FYI I've just added a section about (soft)deadlock in the article, to make it more complete: http://trac.pjsip.org/repos/wiki/PJSUA_Locks cheers, -benny
