v8/test/mjsunit/wasm/graceful_shutdown.js
Andreas Haas c392760843 [api] Add API function Isolate::HasPendingBackgroundTasks
This CL adds an API function that tells the embedder if there is ongoing
background work that will eventually post foreground tasks.

Design doc: https://docs.google.com/document/d/18vaABH1mR35PQr8XPHZySuQYgSjJbWFyAW63LW2m8-w

R=adamk@chromium.org

Bug: v8:10787
Change-Id: I9060c5cdc9dbafeb7ea7c5c26d09c2dc744800bd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2342847
Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69312}
2020-08-10 17:10:36 +00:00

30 lines
936 B
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-wasm --no-wait-for-background-tasks
load("test/mjsunit/wasm/wasm-module-builder.js");
(function CompileFunctionsTest() {
// Create a big module.
var builder = new WasmModuleBuilder();
builder.addMemory(1, 1, true);
for (i = 0; i < 100; i++) {
builder.addFunction("sub" + i, kSig_i_i)
.addBody([ // --
kExprLocalGet, 0, // --
kExprI32Const, i % 61, // --
kExprI32Sub]) // --
.exportFunc()
}
var buffer = builder.toBuffer();
// Start the compilation but do not wait for the promise to resolve
// with assertPromiseResult. This should not cause a crash.
WebAssembly.compile(buffer).then(
() => { print("success")},
() => { print("failed"); });
})();