v8/test/mjsunit/wasm/graceful_shutdown_during_tierup.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

28 lines
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JavaScript

// Copyright 2018 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: --no-wait-for-background-tasks --wasm-tier-up
load("test/mjsunit/wasm/wasm-module-builder.js");
(function ShutdownDuringTierUp() {
// 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();
// Wait for compilation to finish, but then shutdown while tier-up is still
// running.
assertPromiseResult(WebAssembly.compile(buffer));
})();