python/pyarrow/_cuda.pxd

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# cython: language_level = 3

from __future__ import absolute_import

from pyarrow.lib cimport *
from pyarrow.includes.common cimport *
from pyarrow.includes.libarrow cimport *
from pyarrow.includes.libarrow_cuda cimport *


cdef class Context:
    cdef:
        shared_ptr[CCudaContext] context
        int device_number

    cdef void init(self, const shared_ptr[CCudaContext]& ctx)


cdef class IpcMemHandle:
    cdef:
        shared_ptr[CCudaIpcMemHandle] handle

    cdef void init(self, shared_ptr[CCudaIpcMemHandle]& h)


cdef class CudaBuffer(Buffer):
    cdef:
        shared_ptr[CCudaBuffer] cuda_buffer
        object base

    cdef void init_cuda(self,
                        const shared_ptr[CCudaBuffer]& buffer,
                        object base)


cdef class HostBuffer(Buffer):
    cdef:
        shared_ptr[CCudaHostBuffer] host_buffer

    cdef void init_host(self, const shared_ptr[CCudaHostBuffer]& buffer)


cdef class BufferReader(NativeFile):
    cdef:
        CCudaBufferReader* reader
        CudaBuffer buffer


cdef class BufferWriter(NativeFile):
    cdef:
        CCudaBufferWriter* writer
        CudaBuffer buffer