mirror of
https://github.com/denoland/deno.git
synced 2024-12-01 16:51:13 -05:00
42 lines
1,000 B
JavaScript
42 lines
1,000 B
JavaScript
|
// 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");
|
||
|
|
});
|