From nobody Sat Jun 20 13:58:05 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 4gjGJG1hF8z6jbyK for ; Sat, 20 Jun 2026 13:58:06 +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 4gjGJF6npTz3v9C for ; Sat, 20 Jun 2026 13:58:05 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781963886; 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=uQ4sH/IkqCEmEMwBb7I9sDMX1qHyBa3QKjc1kyPziF8=; b=yKDb0tqp5UfVhWqbxUuqPKt/9wT4zg3UNT0eMPXjZ6ZjPmNmY0EMwAqbrK+CdRA21hwV4R 2dHVkkGNkMVcgU9+r1sBvSLbcvkWuKN2sKy9N/0uraoCGJbkbVEaS0fHDlIvAAtICDV6Ba +948kPMu6OPkZowtp2Jf0VlF/yYpEUl8L0oDyzIT4shzA7cFwAFqAP+Kvua/Ygyfy4UT7N pT7bLl11OTXAlIIbeEiMgfBaTV2LoEt6/L5P4f06r8+w0CEuDR2e4ZNVtxy9jMIeU3aq8+ GexWnoWWfAyzBvPwmUR9WlNskC1c2eV23NO1337cQWeT0ArVPisDqYGWVCpsgQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1781963885; a=rsa-sha256; cv=none; b=vS1NsFoBEBh6mQZ03+j+k0y6WcHaYV1LBkCW+FKqPDSbFiwukU1uvhfsaVkqrW8UwGrpgY cEwmJJKgCBU9dzMiG2ynKfZmgTz9W2ikKhH8H6sh+H26PtPJye5mMN6AH6AioZN3SQq58w YozmvoZhJHmzaYicMzznemJmEoNMXVrp1VRAM57oFex4mcc+vqYK5ANq9nsYlZv2+3Vpg2 EGFCrFFPUOgS1p7KplGTZmwnyiSq7+1YMb7125xd0v7CP3aa8aHPa4rhjX3vPZguQK5nXr UBhyEbEcJ6Z3v3RNHaANGIvmDmA7jUkxDjEzcpWsv/avvajF7onNXPWe2MrlbA== 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=1781963885; 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=uQ4sH/IkqCEmEMwBb7I9sDMX1qHyBa3QKjc1kyPziF8=; b=Q1DYfUO2ewVvdWqmFUWXTigjQHrl5BrQl1o49W43JXSfDLBXa6DtR+IVIOvoocSGsRaGRR MR2lMaNq1rF1cEAhn+NIeFOvAix4zKVZxXw7bypu3q+yvTKyZBEGn8Mou9JSTuAKdPTOHe b0OP2dA7sjB1yR3RHZ6jBkipmHGE9VpbMqlvB1jLsw/juZDbIWSY7AaPRLHxvC4YUBCl4N v8gH1BiFAzL6aZmOqEDPibVeSB53vpsicFfGCDDUZ3Okj17WPhNj76JPg1UI8v3e7O4BWV AbuidnALzT40ZIs29HoV88Gqyb6W8FFBlkOwwzo4O3SCAISl47T/6uJtXEtcjA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4gjGJF52QrzYxP for ; Sat, 20 Jun 2026 13:58:05 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3b5f2 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Sat, 20 Jun 2026 13:58:05 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Kyle Evans Subject: git: 8ed580b1d381 - main - adjtime(2): document that delta can be NULL 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: kevans X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 8ed580b1d3811e73e25db3d8a9fd235156c65387 Auto-Submitted: auto-generated Date: Sat, 20 Jun 2026 13:58:05 +0000 Message-Id: <6a369c6d.3b5f2.5d2168ef@gitrepo.freebsd.org> The branch main has been updated by kevans: URL: https://cgit.FreeBSD.org/src/commit/?id=8ed580b1d3811e73e25db3d8a9fd235156c65387 commit 8ed580b1d3811e73e25db3d8a9fd235156c65387 Author: Kyle Evans AuthorDate: 2026-06-20 13:55:26 +0000 Commit: Kyle Evans CommitDate: 2026-06-20 13:57:45 +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 Differential Revision: https://reviews.freebsd.org/D57676 --- lib/libsys/adjtime.2 | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/lib/libsys/adjtime.2 b/lib/libsys/adjtime.2 index ee8befe09ca9..ad2467d5ef61 100644 --- a/lib/libsys/adjtime.2 +++ b/lib/libsys/adjtime.2 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd May 13, 2021 +.Dd June 19, 2026 .Dt ADJTIME 2 .Os .Sh NAME @@ -46,6 +46,7 @@ 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 @@ -55,6 +56,13 @@ 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. @@ -65,7 +73,9 @@ 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.