src/share/vm/runtime/thread.cpp

*** 2438,2457 ****
  // check_special_condition_for_native_trans with slightly different
  // semantics for use by critical native wrappers.  It does all the
  // normal checks but also performs the transition back into
  // thread_in_Java state.  This is required so that critical natives
  // can potentially block and perform a GC if they are the last thread
! // exiting the GC_locker.
  void JavaThread::check_special_condition_for_native_trans_and_transition(JavaThread *thread) {
    check_special_condition_for_native_trans(thread);
  
    // Finish the transition
    thread->set_thread_state(_thread_in_Java);
  
    if (thread->do_critical_native_unlock()) {
      ThreadInVMfromJavaNoAsyncException tiv(thread);
!     GC_locker::unlock_critical(thread);
      thread->clear_critical_native_unlock();
    }
  }
  
  // We need to guarantee the Threads_lock here, since resumes are not
--- 2438,2457 ----
  // check_special_condition_for_native_trans with slightly different
  // semantics for use by critical native wrappers.  It does all the
  // normal checks but also performs the transition back into
  // thread_in_Java state.  This is required so that critical natives
  // can potentially block and perform a GC if they are the last thread
! // exiting the GCLocker.
  void JavaThread::check_special_condition_for_native_trans_and_transition(JavaThread *thread) {
    check_special_condition_for_native_trans(thread);
  
    // Finish the transition
    thread->set_thread_state(_thread_in_Java);
  
    if (thread->do_critical_native_unlock()) {
      ThreadInVMfromJavaNoAsyncException tiv(thread);
!     GCLocker::unlock_critical(thread);
      thread->clear_critical_native_unlock();
    }
  }
  
  // We need to guarantee the Threads_lock here, since resumes are not