hotspot/src/share/vm/gc_implementation/shared/concurrentGCThread.cpp

rev 6902 : 8062036: ConcurrentMarkThread::slt may be invoked before ConcurrentMarkThread::makeSurrogateLockerThread causing intermittent crashes
Summary: Suppress gc_alot during VM init, improve error for SLT uninitialized.
Reviewed-by: jmasa, brutisso, tschatzl

@@ -135,10 +135,17 @@
   }
   os::yield(); // This seems to help with initial start-up of SLT
   return res;
 }
 
+void SurrogateLockerThread::report_missing_slt() {
+  vm_exit_during_initialization(
+    "GC before GC support fully initialized: "
+    "SLT is needed but has not yet been created.");
+  ShouldNotReachHere();
+}
+
 void SurrogateLockerThread::manipulatePLL(SLT_msg_type msg) {
   MutexLockerEx x(&_monitor, Mutex::_no_safepoint_check_flag);
   assert(_buffer == empty, "Should be empty");
   assert(msg != empty, "empty message");
   assert(!Heap_lock->owned_by_self(), "Heap_lock owned by requesting thread");