CVS commit: src/tests/lib/libc/sys

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Wed Mar  5 00:02:47 UTC 2025

Modified Files:
        src/tests/lib/libc/sys: t_futex_ops.c

Log Message:
t_futex_ops: Spruce up diagnostics.

- Use RL to report errno for any syscalls that set it.
- Sprinkle messages to show intermediate quantities.

Preparation for:

PR kern/59129: futex(3): missing sign extension in FUTEX_WAKE_OP


To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/tests/lib/libc/sys/t_futex_ops.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.