Changeset 3136 for code/branches

Timestamp:

Jun 10, 2009, 12:24:06 PM (15 years ago)

Author:

scheusso

Message:

fixed an issue with the signal handler (in case that there is a segfault when the signalhandler has already been destroyed)

File:

• code/branches/netp4/src/util/SignalHandler.cc (modified) (2 diffs)

code/branches/netp4/src/util/SignalHandler.cc

@@ -107 +107 @@
     void SignalHandler::sigHandler( int sig )
     {
-      for ( SignalCallbackList::iterator it = SignalHandler::getInstance().callbackList.begin(); it != SignalHandler::getInstance().callbackList.end(); it++  )
-      {
-        (*(it->cb))( it->someData );
-      }
-
       std::string sigName = "UNKNOWN";
 
@@ -126 +121 @@
           break;
       }
+      // if the signalhandler has already been destroyed then don't do anything
+      if( SignalHandler::singletonRef_s == 0 )
+      {
+        COUT(0) << "recieved signal " << sigName.c_str() << std::endl << "can't write backtrace because SignalHandler already destroyed" << std::endl;
+        exit(EXIT_FAILURE);
+      }
+
+      for ( SignalCallbackList::iterator it = SignalHandler::getInstance().callbackList.begin(); it != SignalHandler::getInstance().callbackList.end(); it++  )
+      {
+        (*(it->cb))( it->someData );
+      }
+
 
       COUT(0) << "recieved signal " << sigName.c_str() << std::endl << "try to write backtrace to file orxonox_crash.log" << std::endl;