focal (3) cudaExternalMemoryHandleDesc.3.gz

NAME

       cudaExternalMemoryHandleDesc -

SYNOPSIS

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

Detailed Description

       External memory handle descriptor

Field Documentation

   int cudaExternalMemoryHandleDesc::fd
       File descriptor referencing the memory object. Valid when type is cudaExternalMemoryHandleTypeOpaqueFd

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

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

   enum cudaExternalMemoryHandleType cudaExternalMemoryHandleDesc::type
       Type of the handle

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

       • cudaExternalMemoryHandleTypeOpaqueWin32

       • cudaExternalMemoryHandleTypeOpaqueWin32Kmt

       • cudaExternalMemoryHandleTypeD3D12Heap

       • cudaExternalMemoryHandleTypeD3D12Resource Exactly one of 'handle' and 'name' must be non-NULL. If type
         is cudaExternalMemoryHandleTypeOpaqueWin32Kmt then 'name' must be NULL.

Author

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