88   // as the CM thread might take some time to wake up before noticing

    88   // as the CM thread might take some time to wake up before noticing

    89   // that started() is set and set in_progress().

    89   // that started() is set and set in_progress().

    90   bool during_cycle()      { return !idle(); }

    90   bool during_cycle()      { return !idle(); }

    91 

    91 

    92   // WhiteBox testing support.

    92   // WhiteBox testing support.

    94   bool request_concurrent_phase(const char* phase);

    93   bool request_concurrent_phase(const char* phase);

    95 

    94 

    96   ConcurrentGCPhaseManager::Stack* phase_manager_stack() {

    95   ConcurrentGCPhaseManager::Stack* phase_manager_stack() {

    97     return &_phase_manager_stack;

    96     return &_phase_manager_stack;

    98   }

    97   }