src/hotspot/share/code/codeCache.cpp

*** 27,36 ****
--- 27,37 ----
  #include "code/codeBlob.hpp"
  #include "code/codeCache.hpp"
  #include "code/codeHeapState.hpp"
  #include "code/compiledIC.hpp"
  #include "code/dependencies.hpp"
+ #include "code/dependencyContext.hpp"
  #include "code/icBuffer.hpp"
  #include "code/nmethod.hpp"
  #include "code/pcDesc.hpp"
  #include "compiler/compileBroker.hpp"
  #include "jfr/jfrEvents.hpp"
***************
*** 938,947 ****
--- 939,961 ----
    } else {
      _unloading_cycle = 1;
    }
  }
  
+ CodeCache::UnloadingScope::UnloadingScope(BoolObjectClosure* is_alive)
+   : _is_unloading_behaviour(is_alive)
+ {
+   IsUnloadingBehaviour::set_current(&_is_unloading_behaviour);
+   increment_unloading_cycle();
+   DependencyContext::gc_prologue();
+ }
+ 
+ CodeCache::UnloadingScope::~UnloadingScope() {
+   IsUnloadingBehaviour::set_current(NULL);
+   DependencyContext::gc_epilogue();
+ }
+ 
  void CodeCache::verify_oops() {
    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
    VerifyOopClosure voc;
    NMethodIterator iter;
    while(iter.next_alive()) {