I've callbacks all over in https://github.com/Pharophile/XmppTalk
They do work. Phil On Mon, Oct 23, 2017 at 8:13 PM, Ben Coman <b...@openinworld.com> wrote: > > > On Mon, Oct 23, 2017 at 11:46 PM, Jan Cada <j...@cada.cz> wrote: > >> Hi, >> >> I would like to connect fingerprint reader to pharo - so far I am able to >> use C library to connect to it using UFFI, >> however the problem is that I can wait for fingerprint indefinitely ( >> blocking call to library) or register call-back for moment when fingerprint >> is available. >> The registration function returns immediately, so it is clear that the >> callback will be called from another thread. >> >> Is such situation supported by UFFI ? >> >> Thanks for any tip, >> >> Jan >> > > Callbacks are supported. Here is an example... > http://blog.openinworld.com/2016/09/pharo-libclang-ffi- > part-4-ast-walking-with-visitors-callbacks/ > > @Todd, How did find working through this part? > cheers -ben >
