Function hipUserObjectRelease 

pub unsafe extern "C" fn hipUserObjectRelease(
    object: hipUserObject_t,
    count: c_uint,
) -> hipError_t

@brief Release number of references to resource.

@param [in] object - pointer to instace of userobj. @param [in] count - reference to resource to be retained. @returns #hipSuccess, #hipErrorInvalidValue @warning This API is marked as Beta. While this feature is complete, it can change and might have outstanding issues.