.. _program_listing_file_include_embers_primitives_ticketlock.h:

Program Listing for File ticketlock.h
=====================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_embers_primitives_ticketlock.h>` (``include/embers/primitives/ticketlock.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /* Copyright © 2020 Advanced Micro Devices, Inc. All rights reserved */
   
   #ifndef _EMBERS_TICKETLOCK_H_
   #define _EMBERS_TICKETLOCK_H_
   
   #include "embers/atomic.h"
   #include <cstdint>
   
   namespace embers
   {
   
   template <MemoryScope scope = MemoryScope::SYSTEM, size_t BackoffBase = 1>
   class TicketLock
   {
    private:
     atomic<uint32_t, scope> next_ticket_;
     uint8_t pad[128];
     atomic<uint32_t, scope> now_serving_;
   
   
    public:
     TicketLock();
     ~TicketLock() = default;
     TicketLock(const TicketLock &) = delete;
     TicketLock &operator=(const TicketLock &) = delete;
     TicketLock(TicketLock &&) = delete;
   
     __host__ __device__ void Acquire() noexcept;
   
     __host__ __device__ void Release() noexcept;
   };
   
   }  // namespace embers
   #include "ticketlock_impl.h"
   
   #endif  // _EMBERS_TICKETLOCK_H_