Ping: Re: [PATCH] io_setup.2: SYNOPSIS: return long

[Alejandro Colomar <colomar.6.4.3@gmail.com>]

Ping.

On 11/2/20 2:12 PM, Alejandro Colomar wrote:
> 
> 
> On 2020-11-02 14:09, Michael Kerrisk (man-pages) wrote:
>> Hi Alex,
>>
>> On Mon, 2 Nov 2020 at 13:20, Alejandro Colomar
>> <colomar.6.4.3@gmail.com> wrote:
>>>
>>> On 2020-11-02 08:37, Michael Kerrisk (man-pages) wrote:
>>>   > Hi Alex,
>>>   >
>>>   > On 11/1/20 2:59 PM, Alejandro Colomar wrote:
>>>   >> The Linux kernel uses a long as the return type for this syscall.
>>>   >> As glibc provides no wrapper, use the same types the kernel uses.
>>>   >
>>>   > I think we need this patch for all of the io* pages, right?
>>>
>>> Hi Michael,
>>>
>>> For some reason, no.  AFAICS, only io_setup() really uses 'long'.
>>
>> But is not SYSCALL_DEFINEX() producing a prototype with return value
>> 'long' in all the cases? (I have not checked, I just presume so.)
> 
> Hi Michael,
> 
> Well, yes.
> SYSCALL_DEFINEx() produces a return type of long
> for _all_ syscalls, AFAICS.
> (as I said before, that macro is a bit obscure, but I can read that).
> 
> Would you like to change all syscall man pages (without a wrapper)
> to use long as the return type?
> 
> Thanks.
> 
> Alex
> 
>>
>> Thanks,
>>
>> Michael
>>
>>
>>
>>