*** old/src/os/linux/vm/os_linux.hpp	Thu Sep 12 23:17:37 2013
--- new/src/os/linux/vm/os_linux.hpp	Thu Sep 12 23:17:36 2013

*** 219,228 ****
--- 219,235 ----
      return _supports_fast_thread_cpu_time;
    }
  
    static jlong fast_thread_cpu_time(clockid_t clockid);
  
+   // pthread_cond clock suppport
+   private:
+   static pthread_condattr_t _condattr[1];
+ 
+   public:
+   static pthread_condattr_t* condAttr() { return _condattr; }
+   
    // Stack repair handling
  
    // none present
  
    // LinuxThreads work-around for 6292965

*** 285,295 ****
--- 292,302 ----
      ~PlatformEvent() { guarantee (0, "invariant") ; }
  
    public:
      PlatformEvent() {
        int status;
!       status = pthread_cond_init (_cond, NULL);
!       status = pthread_cond_init (_cond, os::Linux::condAttr());
        assert_status(status == 0, status, "cond_init");
        status = pthread_mutex_init (_mutex, NULL);
        assert_status(status == 0, status, "mutex_init");
        _Event   = 0 ;
        _nParked = 0 ;

*** 300,327 ****
--- 307,342 ----
      void reset() { _Event = 0 ; }
      int  fired() { return _Event; }
      void park () ;
      void unpark () ;
      int  TryPark () ;
!     int  park (jlong millis) ; // relative timed-wait only
      void SetAssociation (Thread * a) { _Assoc = a ; }
  } ;
  
  class PlatformParker : public CHeapObj<mtInternal> {
    protected:
+     enum {
+         REL_INDEX = 0,
+         ABS_INDEX = 1
+     };
+     int _cur_index;  // which cond is in use: -1, 0, 1
      pthread_mutex_t _mutex [1] ;
!     pthread_cond_t  _cond  [1] ;
!     pthread_cond_t  _cond  [2] ; // one for relative times and one for abs.
  
    public:       // TODO-FIXME: make dtor private
      ~PlatformParker() { guarantee (0, "invariant") ; }
  
    public:
      PlatformParker() {
        int status;
!       status = pthread_cond_init (_cond, NULL);
!       assert_status(status == 0, status, "cond_init");
!       status = pthread_cond_init (&_cond[REL_INDEX], os::Linux::condAttr());
!       assert_status(status == 0, status, "cond_init rel");
+       status = pthread_cond_init (&_cond[ABS_INDEX], NULL);
+       assert_status(status == 0, status, "cond_init abs");
        status = pthread_mutex_init (_mutex, NULL);
        assert_status(status == 0, status, "mutex_init");
+       _cur_index = -1; // mark as unused
      }
  };
  
  #endif // OS_LINUX_VM_OS_LINUX_HPP