Re: __futex(2): use outside Linux compat

To: tlaronde%kergis.com@localhost
Subject: Re: __futex(2): use outside Linux compat
From: Robert Swindells <rjs%fdy2.co.uk@localhost>
Date: Mon, 11 Dec 2023 13:00:38 +0000

tlaronde%kergis.com@localhost wrote:
> In Mesa code implementations for futex_wake() and futex_wait() are
> provided for Linux, Windows, FreeBSD and OpenBSD.
>
> There is a __futex(2) syscall in NetBSD, used only for now, if I'm not
> mistaken, to implement Linux compat.

The Linux emulation of futexes in NetBSD does not work correctly.

> Is it OK to use for NetBSD "native" code since it is not "advertised"
> by a man page?

No.

Follow-Ups:
- Re: __futex(2): use outside Linux compat
  - From: Jason Thorpe
- Re: __futex(2): use outside Linux compat
  - From: tlaronde

References:
- __futex(2): use outside Linux compat
  - From: tlaronde

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