Thanks all for the messages! What I am doing is mixing async and sync behaviors. I want the network access to go async so that it doesn't block the ui or the application but I want the handler that started the async call to be stopped while the transaction is happening.
The script is a Bills of Materials processor that downloads files. To simplify the script to the point where someone else than me (I write very obscure scripts...) can actually understand what is happening, I've opted to a structure like this: local lFileStatus libURLDownloadToFile tURL, tFile, "theCallback" wait while lFileStatus is empty with messages ... so what happens is that the handler above loads a file using an async call but is blocked by the wait. The callback, when it occurs, set the local variable to some non-empty value which thus unblock that wait call allowing that handler to further process the files. Some may ask, "why don't you do the further processing on the callback!?". The answer for that is: "no." (sorry, prolog joke). The long answer is that the solution above leads to scripts easier to maintain and easier to follow. The good thing of using a script local variable as a flag allows me to have other handlers doing side-effects. For example, I have my own timeout handler that will set that flag to a non-empty-but-error value if libURL really fails. The callback is only called by libURL, having a flag makes easy to your code to interface with your async/sync blocking mechanism. The trouble is, sometimes when I set that local variable to a non-empty value, the handler does not unblock and that keeps me thinking: "why? oh why my hanlder does not unblock when I set the very especific condition to it's unblocking to true!?" if there is no way to unblock that thing, then I want to finish/abort/kaput it, which I guess I also can't do. Dave, I got to waitdepth 6 using those handlers which got me thinking about nested russian dolls blocking each other. Do you know if there's a way to force a handler stopped on a wait call to resume or exit to top? Andre _______________________________________________ use-revolution mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
