From nobody Thu Aug 6 23:21:36 2026 X-Original-To: dev-commits-src-branches@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 4hGNZn0Zg7z6nRRF for ; Thu, 06 Aug 2026 23:21:37 +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 4hGNZm51Ryz3Xfr for ; Thu, 06 Aug 2026 23:21:36 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1786058496; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=dtfg1qyWAtLCuh9O+JarqDVKyDJWhaFW6TJmE7bsySA=; b=l1fOXIRCD/Dy4vEhISgA0q3RwiSC6YCkt+Rps1vhdoKzZnx9KhDCzRm+NiifXCVU+ylFNn DwRj4KDEyW9r2Zc6797qDYND7Lb/wuuKrfz+GDxSFCSAruV5DqfNmP3nXXrQB1t4MtzaJ2 nLf4CBU938ki96WnsgJaz5Tk0fTSkevisJkRDlZMqJu1phiEskCm9/dRfOyCNL5xpYHTqx L7ug9oG55qIRonhlye1fsPXMLcMGn8YwRCoZYzUSkNXPZKTkKjXj+WaczWwCpZR7xKzA5k 31cTAIbyd2hNLsWBZoHJTsGghM8+Vm4Mo9KyQOAZq84c3XvGLYn8LObN+zYthg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1786058496; a=rsa-sha256; cv=none; b=xac3hdA8xdLC5O1Hf4d7sI6pfOARpX8dVj0H742MjLAAlc0oIvYF1RTXUr39QTrGLZvyTW ImU96BhjtfEPY5O1YL27F7cjjm0Dal1aGW3R53iUiG9MaeGiQCI8r915JgT+lDHV6oThZW 067aHo6zsRD/zNeX9c7N5FCrrsbMJNG9X43GVyYknpyhdfGgLQljYKq8GbPZYNniTAB3fA lZdXAu9xjcYesYrCzcmMCekAEh7N9FL9Ch3uPzY4g7vE7Md6pS6WMSREBI/1HGitZCpBFH ZCsT4Gn01yzfU+h/RC7/v6LWUgO33VPvFKe+Vh/GBoGJoFfPWcoey5fqpj+vKg== 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=1786058496; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=dtfg1qyWAtLCuh9O+JarqDVKyDJWhaFW6TJmE7bsySA=; b=i+cYEUG8mNGGt4jSTMNYl308Ify1f0s7PRHUd/F1XXE6758VgaFW+wHR7wVOPKuKVdmisW CaHqSQ5fik4j+AuhVrpc7sAq+LjGEbbP0hP/psXmFNLWywcgbqcvRb0RKiVJ8Xd8LjuS/C A0/tHHA9rcIdjTc2Iw1O96+K3AwMzVdY6FEOCxZ51F3V6DA9u3hK4DGnIa4s7vtgtScF+1 gn3PZxyGwNYUDqA2ZxhWnd/EzxuESZQhRQmIXsUauCC/IxGiE0CKabwXkGHIo49bZjqavE VhWMXhVkYrsr1WdlgWDD9ZbqPe5kqZuQFL5NE+fJOhA2OZOKROtHZvIyXqay7Q== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hGNZm3c8Dzj1H for ; Thu, 06 Aug 2026 23:21:36 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 247d4 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 06 Aug 2026 23:21:36 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Kyle Evans Subject: git: f08af2491ffd - stable/14 - adjtime(2): document that delta can be NULL List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@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: kevans X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: f08af2491ffd603f571b2cd5c7f1fe0cab603a10 Auto-Submitted: auto-generated Date: Thu, 06 Aug 2026 23:21:36 +0000 Message-Id: <6a751700.247d4.17aab274@gitrepo.freebsd.org> The branch stable/14 has been updated by kevans: URL: https://cgit.FreeBSD.org/src/commit/?id=f08af2491ffd603f571b2cd5c7f1fe0cab603a10 commit f08af2491ffd603f571b2cd5c7f1fe0cab603a10 Author: Kyle Evans AuthorDate: 2026-06-20 13:55:26 +0000 Commit: Kyle Evans CommitDate: 2026-08-06 22:52:25 +0000 adjtime(2): document that delta can be NULL The current verbiage somewhat indicates that always adjusts the time, which hasn't been true as far back as I had the energy to `git blame`. Reviewed by: imp (cherry picked from commit 8ed580b1d3811e73e25db3d8a9fd235156c65387) --- lib/libc/sys/adjtime.2 | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/lib/libc/sys/adjtime.2 b/lib/libc/sys/adjtime.2 index e1957ace66b6..02123e9c4ef0 100644 --- a/lib/libc/sys/adjtime.2 +++ b/lib/libc/sys/adjtime.2 @@ -27,7 +27,7 @@ .\" .\" @(#)adjtime.2 8.1 (Berkeley) 6/4/93 .\" -.Dd May 13, 2021 +.Dd June 19, 2026 .Dt ADJTIME 2 .Os .Sh NAME @@ -48,6 +48,7 @@ makes small adjustments to the system time, as returned by advancing or retarding it by the time specified by the timeval .Fa delta . +.Pp If .Fa delta is negative, the clock is @@ -57,6 +58,13 @@ If .Fa delta is positive, a larger increment than normal is used. +.Fa delta +may also be a +.Dv NULL +pointer to fetch +.Fa olddelta +without making any adjustment. +.Pp The skew used to perform the correction is generally a fraction of one percent. Thus, the time is always a monotonically increasing function. @@ -67,7 +75,9 @@ may not be finished when is called again. If .Fa olddelta -is not a null pointer, +is not a +.Dv NULL +pointer, the structure pointed to will contain, upon return, the number of microseconds still to be corrected from the earlier call.