src/share/vm/runtime/os.hpp

rev 11623 : [mq]: fix-initial-active-processor-count

*** 233,248 ****
  
    // number of CPUs
    static int processor_count() {
      return _processor_count;
    }
!   static void set_processor_count(int count) { _processor_count = count; }
  
    // Returns the number of CPUs this process is currently allowed to run on.
    // Note that on some OSes this can change dynamically.
    static int active_processor_count();
  
    // Bind processes to processors.
    //     This is a two step procedure:
    //     first you generate a distribution of processes to processors,
    //     then you bind processes according to that distribution.
    // Compute a distribution for number of processes to processors.
--- 233,254 ----
  
    // number of CPUs
    static int processor_count() {
      return _processor_count;
    }
!   static void set_processor_count(int count);
  
    // Returns the number of CPUs this process is currently allowed to run on.
    // Note that on some OSes this can change dynamically.
    static int active_processor_count();
  
+   // At startup the number of active CPUs this process is allowed to run on.
+   // This value does not change dynamically. May be different to active_processor_count().
+   static int initial_active_processor_count() {
+     return _initial_active_processor_count;
+   }
+ 
    // Bind processes to processors.
    //     This is a two step procedure:
    //     first you generate a distribution of processes to processors,
    //     then you bind processes according to that distribution.
    // Compute a distribution for number of processes to processors.
*** 1012,1021 ****
--- 1018,1028 ----
  
  
   protected:
    static long _rand_seed;                     // seed for random number generator
    static int _processor_count;                // number of processors
+   static int _initial_active_processor_count; // number of active processors during initialization.
  
    static char* format_boot_path(const char* format_string,
                                  const char* home,
                                  int home_len,
                                  char fileSep,