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// Flags: --experimental-wasi-unstable-preview1
'use strict';
const common = require('../common');
const assert = require('assert');
const { WASI } = require('wasi');
const { Worker, parentPort } = require('worker_threads');
// void _start(void) { for (;;); }
const bytecode = new Uint8Array([
0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x04, 0x01, 0x60,
0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0x04, 0x05, 0x01, 0x70, 0x01, 0x01,
0x01, 0x05, 0x03, 0x01, 0x00, 0x02, 0x06, 0x08, 0x01, 0x7f, 0x01, 0x41,
0x80, 0x88, 0x04, 0x0b, 0x07, 0x13, 0x02, 0x06, 0x6d, 0x65, 0x6d, 0x6f,
0x72, 0x79, 0x02, 0x00, 0x06, 0x5f, 0x73, 0x74, 0x61, 0x72, 0x74, 0x00,
0x00, 0x0a, 0x09, 0x01, 0x07, 0x00, 0x03, 0x40, 0x0c, 0x00, 0x0b, 0x0b,
0x00, 0x10, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x01, 0x09, 0x01, 0x00, 0x06,
0x5f, 0x73, 0x74, 0x61, 0x72, 0x74, 0x00, 0x2f, 0x09, 0x70, 0x72, 0x6f,
0x64, 0x75, 0x63, 0x65, 0x72, 0x73, 0x01, 0x0c, 0x70, 0x72, 0x6f, 0x63,
0x65, 0x73, 0x73, 0x65, 0x64, 0x2d, 0x62, 0x79, 0x01, 0x05, 0x63, 0x6c,
0x61, 0x6e, 0x67, 0x0f, 0x31, 0x30, 0x2e, 0x30, 0x2e, 0x30, 0x2d, 0x34,
0x75, 0x62, 0x75, 0x6e, 0x74, 0x75, 0x31,
]);
// Do not use isMainThread so that this test itself can be run inside a Worker.
if (!process.env.HAS_STARTED_WORKER) {
process.env.HAS_STARTED_WORKER = 1;
const worker = new Worker(__filename);
worker.once('message', (message) => {
assert.strictEqual(message, 'start');
setTimeout(() => worker.terminate(), common.platformTimeout(50));
});
} else {
go();
}
async function go() {
const wasi = new WASI({ returnOnExit: true });
const imports = { wasi_snapshot_preview1: wasi.wasiImport };
const module = await WebAssembly.compile(bytecode);
const instance = await WebAssembly.instantiate(module, imports);
parentPort.postMessage('start');
wasi.start(instance);
}
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