From nobody Sat Jun 20 00:24:51 2026 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4ghwFw10mLz6hFJW for ; Sat, 20 Jun 2026 00:24:52 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ghwFv5b6Kz3Hwd for ; Sat, 20 Jun 2026 00:24:51 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781915091; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=C9KK8OhgXVc7Nhz4VPFcCG514lMochSYl8RexjhT6EI=; b=C7VOgH5mM1N4bg9Y2RmnAwBr8zAE0NKcH7/AfxwMN7fg6owjW3ItFtYDsribJZLRpxibMz mFSHbVTlxeu+YtRocQ4VlSwAZe1AZx8089jD2Rj/VxOBkQ0hmmvrlaB3eMCd0gdQH4vqJx F3ZI4JRoNbz50UgLT78F5jsXfKv3g97AMOxcuLLcaBEDV3R6/XLx5LFGqD2DDBNJJ1aslM k6PnmQ682a0C1ij2lTNQWv4EEDnTqjeFDo3M+DeQRdqIkDKWUyJf97lP4QIvpKQW4ySrhB tpd4oPimEwHmYNA8biDtyEbhOOGQmZSlzWkWKZ4DWyd3CX0xyaGgyt6T+Jq45A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1781915091; a=rsa-sha256; cv=none; b=AZU9st9e7K+U5qD9O/hMFa7QHKc45smxTXf7EhOc8rrdT4Ek2G+GkcxOpfy289tKdJ3Tlj BkaYl9/MeaDetAEOjo7l4F2FYysiz/8s6M9GQMLn2WK3xH9AcgKVTGQACmnGGGqKd1ZUqm 85GMLm8oRfcC9qGYTiW7zESjg2YxE7Q6DMJgugm3gIZ1kbmWuF2ToDNrRyUdhL1+NnFOmZ DqvT3n4ADQPzHqzBfHjQsVaZ4/aNryCfNoo//fEwkb+JtjgixZk+b/jeQHFiLDYb7Co8SS UkchEUQYsFu4da2cBv+4mxqovk2zJqtudokSFeGUcwSbzkIrXciNqCw0fFy0Zg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781915091; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=C9KK8OhgXVc7Nhz4VPFcCG514lMochSYl8RexjhT6EI=; b=mmaIJRtAQidaCPDHcoTkKyHpj8OfnlkNWbMRpkrb9TxuAG53ataOHg1KJaxtOILLo2G2af WmDAylUCr0Pth47T4GHXYyrdXlZ1x3KonecbRR74ZHidqQoY4u/LPdb2FoI1iYZ8mgVQOv jhsI89TXnSWg5ZFrVaL6yvVdAeNYVQx3TqMk2ytNyHhm5qMKje5+dTZRzqbQ69rb8vfDMP a104OeXYyMbVg7ufJ02ulFJOVddIsitkYDDEj8efXuK3EPoiwu+Nh23l32bRifZ0VRY66r VEYFUhRcgyJp47Bxc4F+sH0MOVakN4VdE7lZBVGlbYEKpGpHuzizyfs67Q+t6w== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4ghwFv4T77z16PL for ; Sat, 20 Jun 2026 00:24:51 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 22963 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Sat, 20 Jun 2026 00:24:51 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Faraz Vahedi From: Warner Losh Subject: git: 28cecfe27964 - main - libc: Restrict ATOMIC_VAR_INIT for C23 conformance List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: imp X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 28cecfe27964fdb67497800f5dcd5d3e1033727f Auto-Submitted: auto-generated Date: Sat, 20 Jun 2026 00:24:51 +0000 Message-Id: <6a35ddd3.22963.721d614@gitrepo.freebsd.org> The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=28cecfe27964fdb67497800f5dcd5d3e1033727f commit 28cecfe27964fdb67497800f5dcd5d3e1033727f Author: Faraz Vahedi AuthorDate: 2026-05-01 14:34:44 +0000 Commit: Warner Losh CommitDate: 2026-06-20 00:23:28 +0000 libc: Restrict ATOMIC_VAR_INIT for C23 conformance Omit `ATOMIC_VAR_INIT` when targeting C23, where it has been removed. Retain it for earlier C standards and for C++ (as it still remains in C++23, albeit marked as deprecated since C17 and C++20.) Also separate `atomic_init` definitions from `ATOMIC_VAR_INIT` to avoid coupling with a deprecated initialisation mechanism. No functional change intended for `atomic_init`; this is purely a conformance and cleanup adjustment. Signed-off-by: Faraz Vahedi Reviewed by: imp Pull Request: https://github.com/freebsd/freebsd-src/pull/2185 --- sys/sys/stdatomic.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/sys/sys/stdatomic.h b/sys/sys/stdatomic.h index c3f9b217519c..2d565ce991be 100644 --- a/sys/sys/stdatomic.h +++ b/sys/sys/stdatomic.h @@ -86,11 +86,17 @@ * 7.17.2 Initialization. */ +#if __ISO_C_VISIBLE < 2023 || defined(__cplusplus) #if defined(__CLANG_ATOMICS) #define ATOMIC_VAR_INIT(value) (value) -#define atomic_init(obj, value) __c11_atomic_init(obj, value) #else #define ATOMIC_VAR_INIT(value) { .__val = (value) } +#endif +#endif + +#if defined(__CLANG_ATOMICS) +#define atomic_init(obj, value) __c11_atomic_init(obj, value) +#else #define atomic_init(obj, value) ((void)((obj)->__val = (value))) #endif