Avoid crash due to reentrancy in KDirWatch dirty/created/deleted signals

admin

@@ -1 +1 @@
-Subproject commit 65ecce459d54e772303052de50d08557ba9cc7ed
+Subproject commit 4027b878fb556a51ed29affd578e78aa70997480

src/toplevel.cpp

@@ -59,7 +59,7 @@
 #include "toplevel.h"
 #include "toplevel.moc"
 
-TopLevel::TopLevel() : KSystemTray(), ticketWatch(0), m_refreshTimer(0), notifyExpiryMinutes(0)
+TopLevel::TopLevel() : KSystemTray(), ticketWatch(0), m_refreshTimer(0), m_requestUpdateTimer(0), notifyExpiryMinutes(0)
 {
 	setBackgroundMode(X11ParentRelative);   // what for?
 
@@ -145,6 +145,15 @@ void TopLevel::setupTimers() {
 		connect(m_refreshTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(updateTicketList()));
 		m_refreshTimer->start(10*1000, false);
 	}
+
+	if (!m_requestUpdateTimer) {
+		m_requestUpdateTimer = new TQTimer(this);
+		connect(m_requestUpdateTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(updateTicketList()));
+	}
+}
+
+void TopLevel::requestTicketListUpdate() {
+	m_requestUpdateTimer->start(0, TRUE);
 }
 
 void TopLevel::updateTicketList() {
@@ -154,9 +163,9 @@ void TopLevel::updateTicketList() {
 
 	if (!ticketWatch) {
 		ticketWatch = new KDirWatch();
-		connect(ticketWatch, TQT_SIGNAL(dirty(const TQString&)), this, TQT_SLOT(updateTicketList()));
-		connect(ticketWatch, TQT_SIGNAL(created(const TQString&)), this, TQT_SLOT(updateTicketList()));
-		connect(ticketWatch, TQT_SIGNAL(deleted(const TQString&)), this, TQT_SLOT(updateTicketList()));
+		connect(ticketWatch, TQT_SIGNAL(dirty(const TQString&)), this, TQT_SLOT(requestTicketListUpdate()));
+		connect(ticketWatch, TQT_SIGNAL(created(const TQString&)), this, TQT_SLOT(requestTicketListUpdate()));
+		connect(ticketWatch, TQT_SIGNAL(deleted(const TQString&)), this, TQT_SLOT(requestTicketListUpdate()));
 		ticketWatch->addFile(m_ticketFile);
 		ticketWatch->startScan();
 	}

src/toplevel.h

@@ -64,6 +64,7 @@ private slots:
 	void setToolTip(const TQString &text, bool force=false);
 
 	void setupTimers();
+	void requestTicketListUpdate();
 	void updateTicketList();
 	void updateMenu();
 	void getNewTGT();
@@ -92,6 +93,7 @@ private:
 	TQString m_ticketFile;
 	KDirWatch *ticketWatch;
 	TQTimer *m_refreshTimer;
+	TQTimer *m_requestUpdateTimer;
 
 	bool autostart;
 	bool notifyExpiry;