From 89142cb0115f92715223cd068792ae2e656519c0 Mon Sep 17 00:00:00 2001
From: Ron Buckton <ron.buckton@microsoft.com>
Date: Sun, 22 Sep 2024 21:43:25 -0400
Subject: [PATCH] Fix remainingTimeout calculation

---
 src/compiler/threading/condition.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/threading/condition.ts b/src/compiler/threading/condition.ts
index f16007fdd00..bd562f74f30 100644
--- a/src/compiler/threading/condition.ts
+++ b/src/compiler/threading/condition.ts
@@ -74,7 +74,7 @@ export class Condition extends Tagged(SharedStructBase, Tag.Condition) {
                 mutex["_locked"] = false; // eslint-disable-line dot-notation -- declared `private`
                 Atomics.Condition.notify(nativeCondition);
                 try {
-                    const remainingTimeout = isFinite(absoluteTimeout) ? Date.now() - absoluteTimeout : undefined;
+                    const remainingTimeout = isFinite(absoluteTimeout) ? absoluteTimeout - Date.now() : undefined;
                     const result = Atomics.Condition.wait(self._condition, nativeMutex, remainingTimeout) ? "ok" : "timed-out";
                     if (result === "timed-out") {
                         return stopWaiting ? stopWaiting() : result;