The sendfile() description across the OSes is not the same. The FreeBSD
version https://man.freebsd.org/cgi/man.cgi?sendfile(2) for example has
words "The nbytes argument specifies how many bytes of the file should be
sent, with 0 having the special meaning of send until the end of file has been
re
Hi Alan,
Thanks for checking this out.
The resources you linked indicate (correctly) that a TCP segment may have 0
data size.
But also that usually this is not allowed for the users? I don't know, I
don't intend to use this.
However, sendfile (not the plain send) would be completely meaningless
Suggest, try to run you same application with this issue on Linux.
I'm expecting at least a similar error on Linux.
BR,
Alan
On 6/18/23, Alan C. Assis wrote:
> Hi Fotis,
>
> On 6/18/23, Fotis Panagiotopoulos wrote:
>> Hello,
>>
>> Due to a bug in my application, the code tried to use sendfile
Hi Fotis,
On 6/18/23, Fotis Panagiotopoulos wrote:
> Hello,
>
> Due to a bug in my application, the code tried to use sendfile() with zero
> size.
>
> As I see, sendfile() will happily proceed, and it will block here:
> https://github.com/apache/nuttx/blob/master/net/tcp/tcp_sendfile.c#L523
>
> O
Hello,
Due to a bug in my application, the code tried to use sendfile() with zero
size.
As I see, sendfile() will happily proceed, and it will block here:
https://github.com/apache/nuttx/blob/master/net/tcp/tcp_sendfile.c#L523
Obviously, it will never manage to send any data (as the requested si
