src/share/vm/utilities/taskqueue.hpp

rev 8151 : 6407976: GC worker number should be unsigned
Reviewed-by: jwilhelm

*** 1,7 ****
  /*
!  * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 596,608 ****
  
  #undef TRACESPINNING
  
  class ParallelTaskTerminator: public StackObj {
  private:
!   int _n_threads;
    TaskQueueSetSuper* _queue_set;
!   int _offered_termination;
  
  #ifdef TRACESPINNING
    static uint _total_yields;
    static uint _total_spins;
    static uint _total_peeks;
--- 596,608 ----
  
  #undef TRACESPINNING
  
  class ParallelTaskTerminator: public StackObj {
  private:
!   uint _n_threads;
    TaskQueueSetSuper* _queue_set;
!   uint _offered_termination;
  
  #ifdef TRACESPINNING
    static uint _total_yields;
    static uint _total_spins;
    static uint _total_peeks;
*** 615,625 ****
  
  public:
  
    // "n_threads" is the number of threads to be terminated.  "queue_set" is a
    // queue sets of work queues of other threads.
!   ParallelTaskTerminator(int n_threads, TaskQueueSetSuper* queue_set);
  
    // The current thread has no work, and is ready to terminate if everyone
    // else is.  If returns "true", all threads are terminated.  If returns
    // "false", available work has been observed in one of the task queues,
    // so the global task is not complete.
--- 615,625 ----
  
  public:
  
    // "n_threads" is the number of threads to be terminated.  "queue_set" is a
    // queue sets of work queues of other threads.
!   ParallelTaskTerminator(uint n_threads, TaskQueueSetSuper* queue_set);
  
    // The current thread has no work, and is ready to terminate if everyone
    // else is.  If returns "true", all threads are terminated.  If returns
    // "false", available work has been observed in one of the task queues,
    // so the global task is not complete.
*** 637,647 ****
    // in an MT-safe manner, once the previous round of use of
    // the terminator is finished.
    void reset_for_reuse();
    // Same as above but the number of parallel threads is set to the
    // given number.
!   void reset_for_reuse(int n_threads);
  
  #ifdef TRACESPINNING
    static uint total_yields() { return _total_yields; }
    static uint total_spins() { return _total_spins; }
    static uint total_peeks() { return _total_peeks; }
--- 637,647 ----
    // in an MT-safe manner, once the previous round of use of
    // the terminator is finished.
    void reset_for_reuse();
    // Same as above but the number of parallel threads is set to the
    // given number.
!   void reset_for_reuse(uint n_threads);
  
  #ifdef TRACESPINNING
    static uint total_yields() { return _total_yields; }
    static uint total_spins() { return _total_spins; }
    static uint total_peeks() { return _total_peeks; }