limit pthread names to 15 characters, make thread names shorter

include/Application.h

@@ -137,7 +137,7 @@ namespace ChimeraTK {
       static void registerThread(const std::string &name) {
         threadName() = name;
         Profiler::registerThread(name);
-        pthread_setname_np(pthread_self(), name.c_str());
+        pthread_setname_np(pthread_self(), name.substr(0,std::min(name.length(),15UL)).c_str());
       }
 
       ModuleType getModuleType() const override { return ModuleType::ModuleGroup; }

include/ThreadedFanOut.h

@@ -48,7 +48,7 @@ namespace ChimeraTK {
 
       /** Synchronise feeder and the consumers. This function is executed in the separate thread. */
       void run() {
-        Application::registerThread("ThreadedFanOut "+FanOut<UserType>::impl->getName());
+        Application::registerThread("ThFO"+FanOut<UserType>::impl->getName());
         Application::testableModeLock("start");
         while(true) {
           // receive data

include/TriggerFanOut.h

@@ -61,7 +61,7 @@ namespace ChimeraTK {
 
       /** Synchronise feeder and the consumers. This function is executed in the separate thread. */
       void run() {
-        Application::registerThread("TriggerFanOut "+externalTrigger->getName());
+        Application::registerThread("TrFO"+externalTrigger->getName());
         Application::testableModeLock("start");
         while(true) {
           // wait for external trigger

src/ApplicationModule.cc

@@ -61,7 +61,7 @@ namespace ChimeraTK {
 /*********************************************************************************************************************/
 
   void ApplicationModule::mainLoopWrapper() {
-    Application::registerThread("ApplicationModule "+getName());
+    Application::registerThread("AM_"+getName());
     Application::testableModeLock("start");
     // enter the main loop
     mainLoop();