Seems like a FAQ, but: I want to associate a single "sound player" with a drscheme process. When student code runs, it needs to send messages to that sound player. I want to make sure there's only one running at a time.
The first thing that pops into my head is some kind of "shared-require" form, but I don't see such a thing. The second thing that pops into my head is a tool; I understand how I can set up a tool so that it gets run only once at startup, and creates a value that gets associated with every DrRacket frame. Unfortunately, I can't figure out the second part of the equation: how does a user program then connect to the DrRacket frame to get the value? I don't want to make the user click some extra button every time they run their program, and I *really* don't want to mess around with language levels and manipulating the user's source code. Basically, I just want a process-level global value. I must be missing something really obvious, here. Thanks, John
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