From bc3c6a77069d4a255faaf3530dc7e0092cff4224 Mon Sep 17 00:00:00 2001
From: ggolda <38298010+ggolda@users.noreply.github.com>
Date: Tue, 17 Dec 2024 17:21:31 -0700
Subject: [PATCH] graceful shutdown protocol implemented for ai highlighter
 (#5268)

---
 .../highlighter/ai-highlighter/ai-highlighter.ts         | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/app/services/highlighter/ai-highlighter/ai-highlighter.ts b/app/services/highlighter/ai-highlighter/ai-highlighter.ts
index 467fb919c3ff..58f58c129a68 100644
--- a/app/services/highlighter/ai-highlighter/ai-highlighter.ts
+++ b/app/services/highlighter/ai-highlighter/ai-highlighter.ts
@@ -4,6 +4,7 @@ import { AiHighlighterUpdater } from './updater';
 import { duration } from 'moment';
 import { ICoordinates } from '..';
 import kill from 'tree-kill';
+import { getOS, OS } from 'util/operating-systems';
 
 export enum EHighlighterInputTypes {
   KILL = 'kill',
@@ -130,7 +131,13 @@ export function getHighlightClips(
       cancelSignal.addEventListener('abort', () => {
         console.log('ending highlighter process');
         messageBuffer.clear();
-        kill(childProcess.pid!, 'SIGINT');
+
+        // windows doesn't support signals and we have to use the custom graceful shutdown
+        if (getOS() === OS.Windows) {
+          childProcess.stdin?.write('quit\n');
+        } else {
+          kill(childProcess.pid!, 'SIGINT');
+        }
         reject(new Error('Highlight generation canceled'));
       });
     }