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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
// deno-lint-ignore-file
const targetDir = Deno.execPath().replace(/[^\/\\]+$/, "");
const [libPrefix, libSuffix] = {
darwin: ["lib", "dylib"],
linux: ["lib", "so"],
windows: ["", "dll"],
}[Deno.build.os];
const libPath = `${targetDir}/${libPrefix}test_ffi.${libSuffix}`;
const dylib = Deno.dlopen(libPath, {
store_function: {
parameters: ["function"],
result: "void",
},
call_stored_function: {
parameters: [],
result: "void",
},
});
const callback = new Deno.UnsafeCallback(
{ parameters: [], result: "void" },
() => {
console.log("Callback on worker thread");
},
);
callback.ref();
self.addEventListener("message", ({ data }) => {
if (data === "register") {
dylib.symbols.store_function(callback.pointer);
} else if (data === "call") {
dylib.symbols.call_stored_function();
} else if (data === "unref") {
callback.unref();
}
self.postMessage("done");
});
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