Function opencl3::memory::set_mem_object_destructor_callback

pub fn set_mem_object_destructor_callback(
    memobj: *mut c_void, 
    pfn_notify: extern "C" fn(*mut c_void, *mut c_void), 
    user_data: *mut c_void
) -> Result<(), i32>

Register a callback function with an OpenCL memory object that is called when the memory object is destroyed.
Calls clSetMemObjectDestructorCallback.

• memobj - the OpenCL memory object.
• pfn_notify - callback function to be registered by the application.
• user_data - passed as the user_data argument when pfn_notify is called.

returns an empty Result or the error code from the OpenCL C API function.