[2/3] ntdll: Introduce a helper function to check for existance of server handles.

[Alexandre Julliard]

Sebastian Lackner <sebastian at fds-team.de> writes:

> On 04.05.2015 09:25, Alexandre Julliard wrote:
>> Sebastian Lackner <sebastian at fds-team.de> writes:
>> 
>>> @@ -1417,6 +1417,7 @@
>>>  # Server interface
>>>  @ cdecl -norelay wine_server_call(ptr)
>>>  @ cdecl wine_server_fd_to_handle(long long long ptr)
>>> +@ cdecl wine_server_handle_exists(long long)
>>>  @ cdecl wine_server_handle_to_fd(long long ptr ptr)
>>>  @ cdecl wine_server_release_fd(long long)
>>>  @ cdecl wine_server_send_fd(long)
>> 
>> Why do you need a new export for this?  Is it just to avoid a dup() call
>> or is there another reason?
>> 
>
> The main idea was to avoid the unnecessary dup()/close() in situations where
> no file descriptor is required.

I think it's better to keep the interface clean, which is also the main
reason for having the dup() in the first place.

-- 
Alexandre Julliard
julliard at winehq.org