160     assert(v <= _total_workers,

   160     assert(v <= _total_workers,

   161            "Trying to set more workers active than there are");

   161            "Trying to set more workers active than there are");

   162     _active_workers = MIN2(v, _total_workers);

   162     _active_workers = MIN2(v, _total_workers);

   163     add_workers(false /* exit_on_failure */);

   163     add_workers(false /* exit_on_failure */);

   164     assert(v != 0, "Trying to set active workers to 0");

   164     assert(v != 0, "Trying to set active workers to 0");

   166     return _active_workers;

   166     return _active_workers;

   167   }

   167   }

   168 

   168 

   169   // Add GC workers as needed.

   169   // Add GC workers as needed.

   170   void add_workers(bool initializing);

   170   void add_workers(bool initializing);