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perf: eager poll async ops in Isolate (#3046)

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Bartek Iwańczuk 2019-10-14 23:46:27 +02:00 • committed by Ryan Dahl
parent 6056595357
commit 4221b90c3f
8 changed files with 240 additions and 93 deletions
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12
cli/js/dispatch_json.ts
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@ -75,11 +75,17 @@ export async function sendAsync(
const promiseId = nextPromiseId();
args = Object.assign(args, { promiseId });
const promise = util.createResolvable<Ok>();
promiseTable.set(promiseId, promise);
const argsUi8 = encode(args);
const resUi8 = core.dispatch(opId, argsUi8, zeroCopy);
util.assert(resUi8 == null);
const buf = core.dispatch(opId, argsUi8, zeroCopy);
if (buf) {
// Sync result.
const res = decode(buf);
promise.resolve(res);
} else {
// Async result.
promiseTable.set(promiseId, promise);
}
const res = await promise;
return unwrapResponse(res);