From 8bec2275ae72ba9da0faeaf0fc902cc61bd88140 Mon Sep 17 00:00:00 2001
From: Book Pauk <bookpauk@gmail.com>
Date: Fri, 7 Oct 2022 17:36:46 +0700
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D1=80=D0=B0=D0=B1=D0=BE=D1=82?=
 =?UTF-8?q?=D0=BA=D0=B0=20AsyncExit=20=D0=B4=D0=BB=D1=8F=20=D0=B2=D1=8B?=
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---
 server/core/AsyncExit.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/server/core/AsyncExit.js b/server/core/AsyncExit.js
index 1ea5944..4bd6288 100644
--- a/server/core/AsyncExit.js
+++ b/server/core/AsyncExit.js
@@ -1,9 +1,9 @@
-let instance = null;
-
 const defaultTimeout = 15*1000;//15 sec
 const exitSignals = ['SIGINT', 'SIGTERM', 'SIGBREAK', 'SIGHUP', 'uncaughtException'];
 
 //singleton
+let instance = null;
+
 class AsyncExit {
     constructor(signals = exitSignals, codeOnSignal = 2) {
         if (!instance) {
@@ -22,6 +22,10 @@ class AsyncExit {
 
     _init(signals, codeOnSignal) {
         const runSingalCallbacks = async(signal, err, origin) => {
+            if (!this.onSignalCallbacks.size) {
+                console.error(`Uncaught signal "${signal}" received, error: "${(err.stack ? err.stack : err)}"`);
+            }
+
             for (const signalCallback of this.onSignalCallbacks.keys()) {
                 try {
                     await signalCallback(signal, err, origin);