src/share/vm/gc/shared/workgroup.hpp

rev 10742 : Make fields used in lock-free algorithms volatile

*** 283,295 ****
  // A class to manage claiming of subtasks within a group of tasks.  The
  // subtasks will be identified by integer indices, usually elements of an
  // enumeration type.
  
  class SubTasksDone: public CHeapObj<mtInternal> {
!   uint* _tasks;
    uint _n_tasks;
!   uint _threads_completed;
  #ifdef ASSERT
    volatile uint _claimed;
  #endif
  
    // Set all tasks to unclaimed.
--- 283,295 ----
  // A class to manage claiming of subtasks within a group of tasks.  The
  // subtasks will be identified by integer indices, usually elements of an
  // enumeration type.
  
  class SubTasksDone: public CHeapObj<mtInternal> {
!   volatile uint* _tasks;
    uint _n_tasks;
!   volatile uint _threads_completed;
  #ifdef ASSERT
    volatile uint _claimed;
  #endif
  
    // Set all tasks to unclaimed.