On Tue, Feb 17, 2026 at 04:46:28PM +0100, Alejandro Colomar wrote:

silence; let me know your opinion:

	.tmp/man/man2/futex_waitv.2.d/futex_waitv.c:36:13: error: implicit use of sequentially-consistent atomic may incur stronger memory barriers than necessary [clang-diagnostic-atomic-implicit-seq-cst,-warnings-as-errors]
	   36 |      usleep(*futex * 10000);
	      |             ^


	.tmp/man/man2/futex_waitv.2.d/futex_waitv.c:37:13: error: implicit use of sequentially-consistent atomic may incur stronger memory barriers than necessary [clang-diagnostic-atomic-implicit-seq-cst,-warnings-as-errors]
	   37 |      *futex *= 2;
	      |             ^

I have little knowledge about atomics, so can't judge, but the code
seems good to me.  Please confirm.

Yeah, that's okay. Worst-case is it'll be marginally slower than
something more verbose that specifies... acqrel? which would be minimal here.
But that doesn't matter for example code.

Best,