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Callbacks from C yet?

 [1/5] from: maarten::koopmans::surfnet::nl at: 30-Dec-2002 11:57


All, Can I do callbacks from C already with the SDK? So, can I provide a callback function to a C function? If so, how? Documentation? --Maarten

 [2/5] from: greggirwin:mindspring at: 30-Dec-2002 9:48


Hi Maarten, MK> Can I do callbacks from C already with the SDK? So, can I provide a MK> callback function to a C function? MK> If so, how? Documentation? Not AFAIK. -- Gregg

 [3/5] from: nitsch-lists:netcologne at: 31-Dec-2002 1:13


Gregg Irwin wrote:
>Hi Maarten, > >MK> Can I do callbacks from C already with the SDK? So, can I provide a >MK> callback function to a C function? >MK> If so, how? Documentation? > >Not AFAIK. >
could be possible with multiple threads, system-port and sending messages/signals between threads. but how to figure out how that works?

 [4/5] from: greggirwin:mindspring at: 30-Dec-2002 19:14


Hi Volker, VN> could be possible with multiple threads, system-port and sending VN> messages/signals between threads. but how to figure out how that works? Depends on the need. Most callback mechanisms require you to give them a function pointer to call back to. -- Gregg

 [5/5] from: nitsch-lists:netcologne at: 31-Dec-2002 4:59


Gregg Irwin wrote:
>Hi Volker, > >VN> could be possible with multiple threads, system-port and sending >VN> messages/signals between threads. but how to figure out how that works? > >Depends on the need. Most callback mechanisms require you to give them >a function pointer to call back to. >
yes. i would use a callback-thread. this thread would set the callback. when callbacked, it signals rebol something happens. rebol listens on system-port and can react.