Re: socketpair buffer limits?

[pin <voidpin%protonmail.com@localhost>]

On Friday, February 21st, 2025 at 5:09 PM, Thomas Klausner <wiz%NetBSD.org@localhost> wrote:

> Hi!
> 
> On my machine, the attached program (which sets the send and receive
> buffers for a socketpair() to 1MB each) works, on pin@'s it doesn't.
> 
> Which limits restrict this?
> Thomas

This is indeed the case ...
~> uname -a
NetBSD mybox 10.99.12 NetBSD 10.99.12 (GENERIC) #0: Wed Feb 12 05:15:39 UTC 2025  mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64

The program work with:
64 * 1024
128 * 1024

and fails with 256 * 1024

/Pedro