handle nil thread handler

Author: alexandre-daubois

debugstate.go

@@ -67,6 +67,10 @@ func threadDebugState(thread *phpThread) ThreadDebugState {
 	thread.handlerMu.RLock()
 	defer thread.handlerMu.RUnlock()
 
+	if thread.handler == nil {
+		return s
+	}
+
 	fc := thread.handler.frankenPHPContext()
 	if fc == nil || fc.request == nil || fc.responseWriter == nil {
 		return s

phpthread.go

@@ -127,10 +127,13 @@ func (thread *phpThread) context() context.Context {
 
 func (thread *phpThread) name() string {
 	thread.handlerMu.RLock()
-	name := thread.handler.name()
-	thread.handlerMu.RUnlock()
+	defer thread.handlerMu.RUnlock()
 
-	return name
+	if thread.handler == nil {
+		return "unknown"
+	}
+
+	return thread.handler.name()
 }
 
 // Pin a string that is not null-terminated