Fix crash in Dependency::Stop()

This partially reverts the fix in #8436

fixes #8687
refs #8436

Conflicts:
	lib/db_ido_pgsql/idopgsqlconnection.cpp

lib/base/application.cpp

@@ -57,7 +57,6 @@ static bool l_InExceptionHandler = false;
 int Application::m_ArgC;
 char **Application::m_ArgV;
 double Application::m_StartTime;
-int Application::m_ExitStatus = 0;
 
 /**
  * Constructor for the Application class.
@@ -107,6 +106,12 @@ Application::~Application(void)
 
 void Application::Exit(int rc)
 {
+	if (rc)
+		Log(LogCritical, "Application")
+		    << "Shutting down after a fatal error; exit code: " << rc;
+	else
+		Log(LogInformation, "Application", "Shutting down...");
+
 	std::cout.flush();
 
 	BOOST_FOREACH(const Logger::Ptr& logger, Logger::GetLoggers()) {
@@ -310,11 +315,6 @@ mainloop:
 		goto mainloop;
 	}
 
-	if (m_ExitStatus)
-		Log(LogInformation, "Application", "Shutting down Icinga after a fatal error.");
-	else
-		Log(LogInformation, "Application", "Shutting down Icinga...");
-
 	DynamicObject::StopObjects();
 	Application::GetInstance()->OnShutdown();
 
@@ -361,9 +361,10 @@ pid_t Application::StartReloadProcess(void)
  * Signals the application to shut down during the next
  * execution of the event loop.
  */
-void Application::RequestShutdown(int rc)
+void Application::RequestShutdown(void)
 {
-	m_ExitStatus = rc > m_ExitStatus ? rc : m_ExitStatus;
+	Log(LogInformation, "Application", "Received request to shut down.");
+
 	m_ShuttingDown = true;
 }
 

lib/base/application.hpp

@@ -69,7 +69,7 @@ public:
 
 	static void InstallExceptionHandlers(void);
 
-	static void RequestShutdown(int rc = 0);
+	static void RequestShutdown(void);
 	static void RequestRestart(void);
 	static void RequestReopenLogs(void);
 
@@ -162,7 +162,6 @@ private:
 	static bool m_Debugging; /**< Whether debugging is enabled. */
 	static LogSeverity m_DebuggingSeverity; /**< Whether debugging severity is set. */
 	static double m_StartTime;
-	static int m_ExitStatus;
 
 #ifndef _WIN32
 	static void SigIntTermHandler(int signum);

lib/db_ido_mysql/idomysqlconnection.cpp

@@ -225,8 +225,7 @@ void IdoMysqlConnection::Reconnect(void)
 		if (!row) {
 			Log(LogCritical, "IdoMysqlConnection", "Schema does not provide any valid version! Verify your schema installation.");
 
-			Application::RequestShutdown(EXIT_FAILURE);
+			Application::Exit(EXIT_FAILURE);
-			return;
 		}
 
 		DiscardRows(result);
@@ -238,8 +237,7 @@ void IdoMysqlConnection::Reconnect(void)
 			    << "Schema version '" << version << "' does not match the required version '"
 			    << SCHEMA_VERSION << "'! Please check the upgrade documentation.";
 
-			Application::RequestShutdown(EXIT_FAILURE);
+			Application::Exit(EXIT_FAILURE);
-			return;
 		}
 
 		String instanceName = GetInstanceName();

lib/db_ido_pgsql/idopgsqlconnection.cpp

@@ -228,8 +228,7 @@ void IdoPgsqlConnection::Reconnect(void)
 
 			Log(LogCritical, "IdoPgsqlConnection", "Schema does not provide any valid version! Verify your schema installation.");
 
-			Application::RequestShutdown(EXIT_FAILURE);
+			Application::Exit(EXIT_FAILURE);
-			return;
 		}
 
 		String version = row->Get("version");
@@ -242,8 +241,7 @@ void IdoPgsqlConnection::Reconnect(void)
 			    << "Schema version '" << version << "' does not match the required version '"
 			    << SCHEMA_VERSION << "'! Please check the upgrade documentation.";
 
-			Application::RequestShutdown(EXIT_FAILURE);
+			Application::Exit(EXIT_FAILURE);
-			return;
 		}
 
 		String instanceName = GetInstanceName();

lib/remote/apilistener.cpp

@@ -110,7 +110,7 @@ void ApiListener::Start(void)
 	if (!AddListener(GetBindHost(), GetBindPort())) {
 		Log(LogCritical, "ApiListener")
 		     << "Cannot add listener on host '" << GetBindHost() << "' for port '" << GetBindPort() << "'.";
-		Application::RequestShutdown(EXIT_FAILURE);
+		Application::Exit(EXIT_FAILURE);
 	}
 
 	m_Timer = new Timer();