Function cuPointerSetAttribute

pub unsafe extern "C" fn cuPointerSetAttribute(
    value: *const c_void,
    attribute: CUpointer_attribute,
    ptr: CUdeviceptr,
) -> CUresult

\brief Set attributes on a previously allocated memory region

The supported attributes are:

• ::CU_POINTER_ATTRIBUTE_SYNC_MEMOPS:

  A boolean attribute that can either be set (1) or unset (0). When set, the region of memory that \p ptr points to is guaranteed to always synchronize memory operations that are synchronous. If there are some previously initiated synchronous memory operations that are pending when this attribute is set, the function does not return until those memory operations are complete. See further documentation in the section titled “API synchronization behavior” to learn more about cases when synchronous memory operations can exhibit asynchronous behavior. \p value will be considered as a pointer to an unsigned integer to which this attribute is to be set.

\param value - Pointer to memory containing the value to be set \param attribute - Pointer attribute to set \param ptr - Pointer to a memory region allocated using CUDA memory allocation APIs

\return ::CUDA_SUCCESS, ::CUDA_ERROR_DEINITIALIZED, ::CUDA_ERROR_NOT_INITIALIZED, ::CUDA_ERROR_INVALID_CONTEXT, ::CUDA_ERROR_INVALID_VALUE, ::CUDA_ERROR_INVALID_DEVICE \notefnerr

\sa ::cuPointerGetAttribute, ::cuPointerGetAttributes, ::cuMemAlloc, ::cuMemFree, ::cuMemAllocHost, ::cuMemFreeHost, ::cuMemHostAlloc, ::cuMemHostRegister, ::cuMemHostUnregister