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NAME

       CUDA_EXTERNAL_MEMORY_HANDLE_DESC -

SYNOPSIS

   Data Fields
       unsigned long long size
       CUexternalMemoryHandleType type
       int fd
       void * handle
       struct {
          void * handle
       } win32

Detailed Description

       External memory handle descriptor

Field Documentation

   int CUDA_EXTERNAL_MEMORY_HANDLE_DESC::fd
       File descriptor referencing the memory object. Valid when type is
       CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD

   void* CUDA_EXTERNAL_MEMORY_HANDLE_DESC::handle
       Valid NT handle. Must be NULL if 'name' is non-NULL

   unsigned long long CUDA_EXTERNAL_MEMORY_HANDLE_DESC::size
       Size of the memory allocation

   CUexternalMemoryHandleType CUDA_EXTERNAL_MEMORY_HANDLE_DESC::type
       Type of the handle

   struct { ... }   CUDA_EXTERNAL_MEMORY_HANDLE_DESC::win32
       Win32 handle referencing the semaphore object. Valid when type is one of the following:

       • CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32

       • CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_KMT

       • CU_EXTERNAL_MEMORY_HANDLE_TYPE_D3D12_HEAP

       • CU_EXTERNAL_MEMORY_HANDLE_TYPE_D3D12_RESOURCE Exactly one of 'handle' and 'name' must be non-NULL. If
         type is CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_KMT then 'name' must be NULL.

Author

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