src/hotspot/share/jfr/utilities/jfrTryLock.hpp

*** 34,44 ****
   private:
    volatile int* const _lock;
    bool _has_lock;
  
   public:
!   JfrTryLock(volatile int* lock) : _lock(lock), _has_lock(Atomic::cmpxchg(1, lock, 0) == 0) {}
  
    ~JfrTryLock() {
      if (_has_lock) {
        OrderAccess::fence();
        *_lock = 0;
--- 34,44 ----
   private:
    volatile int* const _lock;
    bool _has_lock;
  
   public:
!   JfrTryLock(volatile int* lock) : _lock(lock), _has_lock(Atomic::cmpxchg(lock, 0, 1) == 0) {}
  
    ~JfrTryLock() {
      if (_has_lock) {
        OrderAccess::fence();
        *_lock = 0;