From 7cd828cf329aa89c2106a8a383a9bba9fd2b908f Mon Sep 17 00:00:00 2001
From: Przemyslaw Susko <przemyslaw.susko@dynatrace.com>
Date: Wed, 25 Oct 2023 08:30:36 +0200
Subject: [PATCH] lock mutex on reading program status

---
 ebpfdiscoverysrv/src/main.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ebpfdiscoverysrv/src/main.cpp b/ebpfdiscoverysrv/src/main.cpp
index be96c1eb..d4ccf853 100644
--- a/ebpfdiscoverysrv/src/main.cpp
+++ b/ebpfdiscoverysrv/src/main.cpp
@@ -112,8 +112,13 @@ static void initLibbpf() {
 	libbpf_set_print(libbpfPrintFn);
 }
 
+bool isProgramRunning() {
+	std::lock_guard<std::mutex> lock(programStatusMutex);
+	return programStatus == ProgramStatus::Running;
+}
+
 void servicesProvidingLoop(ebpfdiscovery::Discovery& discoveryInstance, std::chrono::seconds interval) {
-	while (programStatus == ProgramStatus::Running) {
+	while (isProgramRunning()) {
 		if (auto services = discoveryInstance.popServices(); !services.empty()) {
 			auto servicesProto = proto::internalToProto(services);
 			LOG_DEBUG("Services list:\n{}\n", servicesProto.DebugString());