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[js/web] add SharedArrayBuffer check for wasm multi-thread #8749

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Merged
fs-eire merged 1 commit into from
Aug 17, 2021
Merged

[js/web] add SharedArrayBuffer check for wasm multi-thread #8749

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5 changes: 5 additions & 0 deletions js/web/lib/wasm/wasm-factory.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,11 @@ let aborted = false;

const isMultiThreadSupported = (): boolean => {
try {
// If 'SharedArrayBuffer' is not available, WebAssembly threads will not work.
if (typeof SharedArrayBuffer === 'undefined') {
return false;
}

// Test for transferability of SABs (for browsers. needed for Firefox)
// https://groups.google.com/forum/#!msg/mozilla.dev.platform/IHkBZlHETpA/dwsMNchWEQAJ
if (typeof MessageChannel !== 'undefined') {
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