From e5ca52a10982fd9e62853ddfb44ddb777340a5a9 Mon Sep 17 00:00:00 2001
From: oligamiq <nziq53@gmail.com>
Date: Wed, 18 Sep 2024 13:36:02 +0900
Subject: [PATCH] about WebAssembly.Memory

---
 src/wasi_farm/farm.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/wasi_farm/farm.ts b/src/wasi_farm/farm.ts
index f022614..cca48fd 100644
--- a/src/wasi_farm/farm.ts
+++ b/src/wasi_farm/farm.ts
@@ -47,6 +47,10 @@ export class WASIFarm {
 
     this.fds = new_fds;
 
+    // WebAssembly.Memory can be used to create a SharedArrayBuffer, but it cannot be transferred by postMessage.
+    // Uncaught (in promise) DataCloneError:
+    //    Failed to execute 'postMessage' on 'Worker':
+    //    SharedArrayBuffer transfer requires self.crossOriginIsolated.
     try {
         new SharedArrayBuffer(4);
         this.can_array_buffer = true;