On Monday 07 January 2008 09:22:43 robby wrote: > With skimming across the past 400 or so messages on this list I'm not > exactly sure if this would be the correct list to post this, but I have > a quick question regarding NCI's and callbacks. > > I've read http://www.parrotcode.org/docs/pdd/pdd16_native_call.htm and > nci.t and I haven't came up with the answer off hand, so I may be > missing something, or it may not be possible in pir. > > I have a function I'm wanting to call that is long func(long, long, > long, callback) > > and a callback with a sig (long, long, long, long). > > While doing callbacks, do I *have* to create a wrapper in C in order to > use them? In the draft doc noted above it says > > "However, many callback functions share a common signature, and parrot > provides some ready-made functions for this purpose that should serve > for most of the callback uses." > > But I think I may be taking it out of context. > > I'm trying to tap into the win32 procs and don't know if I can keep it > all in pir (which is the goal, because I'd rather port bytecode than c > code across platforms) > > Am I reading the docs wrong, or is there no functionality to do what I'm > looking at?
As I understand it, the discussion of callbacks in the docs is about callbacks implemented in PIR. The callback you describe looks like a C function, in which case you should be able to get a pointer to it and pass it as a pointer. Apologies if I misunderstood your question though. -- c
