Added all of the existing code

test_shutdown.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+# TechIRCd Shutdown Test Script
+echo "=== TechIRCd Shutdown Test ==="
+echo
+
+# Start the server in background
+echo "Starting TechIRCd..."
+./techircd start &
+SERVER_PID=$!
+
+echo "Server started with PID: $SERVER_PID"
+echo "Waiting 5 seconds for server to initialize..."
+sleep 5
+
+# Test connection
+echo "Testing initial connection..."
+timeout 5s bash -c '
+    exec 3<>/dev/tcp/localhost/6667
+    echo "NICK TestUser" >&3
+    echo "USER testuser 0 * :Test User" >&3
+    sleep 2
+    echo "PING :test" >&3
+    read -t 3 response <&3
+    echo "Response: $response"
+    exec 3<&-
+    exec 3>&-
+' && echo "✅ Connection test passed" || echo "❌ Connection test failed"
+
+echo
+echo "Testing graceful shutdown (SIGTERM)..."
+echo "Sending SIGTERM to server..."
+
+# Send SIGTERM and monitor for graceful shutdown
+kill -TERM $SERVER_PID
+
+# Wait up to 15 seconds for graceful shutdown
+TIMEOUT=15
+for i in $(seq 1 $TIMEOUT); do
+    if ! kill -0 $SERVER_PID 2>/dev/null; then
+        echo "✅ Server shut down gracefully after $i seconds"
+        echo
+        echo "=== Shutdown Test Complete ==="
+        exit 0
+    fi
+    sleep 1
+    echo -n "."
+done
+
+echo
+echo "⚠️  Server did not shut down gracefully within $TIMEOUT seconds"
+echo "Forcing shutdown..."
+kill -9 $SERVER_PID 2>/dev/null
+
+echo
+echo "=== Shutdown Test Complete ==="