Method enter

runtime/Fence.h:65–68

* This method provides appropriate fencing for the beginning of a critical * section. Normally this method is invoked immediately after performing * synchronization to enter a critical section, such as acquiring a lock. * It guarantees the following: * - Loads coming from code following this method will see any changes * made to memory by other threads before the method

     *   after any preceding branches have been resolved).
     */
    static void inline enter()
    {
        lfence();
    }

    /**
     * This method provides appropriate fencing for the end of a critical