src/share/vm/utilities/taskqueue.hpp

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

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
+ * 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.

@@ -596,13 +596,13 @@
 
 #undef TRACESPINNING
 
 class ParallelTaskTerminator: public StackObj {
 private:
-  int _n_threads;
+  uint _n_threads;
   TaskQueueSetSuper* _queue_set;
-  int _offered_termination;
+  uint _offered_termination;
 
 #ifdef TRACESPINNING
   static uint _total_yields;
   static uint _total_spins;
   static uint _total_peeks;

@@ -615,11 +615,11 @@
 
 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);
+  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.

@@ -637,11 +637,11 @@
   // 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);
+  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; }