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On Sun, Jan 18, 2009 at 1:28 PM, Enrico Colombini <> wrote:
Tobias Markmann wrote:
lua_yield(L, 0);

printf("After yield\n");

return 0;

If I understood correctly, here's what the manual says of lua_yield():

 This function should only be called as the return _expression_
 of a C function, as follows:

   return lua_yield (L, nresults);

You can't insert a printf after the yield. If you have to, return normally and do a coroutine.yield on the Lua side (I used both methods and they work fine).


I thought the coro patch enables writing normal C methods and yield from/resume to them. 

In particular you can now: 


At least that's what is said on

And if that's not possible, how else can i handle it? I mean I need to be able to pass stuff to C when yielding and pass stuff back to Lua when resuming, in some way.