From nobody Thu Apr 2 22:48:58 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 4fmxqN07MZz6YvxC for ; Thu, 02 Apr 2026 22:49:04 +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 "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fmxqM5xQDz45df for ; Thu, 02 Apr 2026 22:49:03 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1775170143; 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=r9Mzky835WY4qwVxErUBxhjTsfA/I1qJuRmb7TCbYvk=; b=aYs/pl/jhZoLomNY18gVPeiTXd3npOZk6y9X7wb5nrqGh98xlziNVUZSrZ9f7n+5iVgzhO HExswF2jdeqMzgRCOrZCQ6kOvBv+QiX9xWy1dsA/s2JybSF4qY2WTDJQ9A2nk27Rc8f+M8 l2/eQs9RqgANzdTJlaQqSBWpTovjcmPvYsmFKzX3PSrbsr6fF0DzxQpRsxnzpGsSJB+qxW PLwyo6Yd4YMhGYVOvMBz3+5jVKX/rs7L5v+Y+hImUXTRaQun/1qaEIrVV0fNnyCfdXr0aC cVoHXfTqSb9ornsTeaBlPSE6Y9F0KFSOu9zQkntJ/aOhuGtfD8qGl0YVKhYFIw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1775170143; a=rsa-sha256; cv=none; b=YBprchg1OFnuzUeO80bnvkWlepn5s0h4Xm5Tb1HRVlRhWp0U5oBZG1UuLjvF+T9DhACqrG 5Mtw6kYs5Ftjb+yLTnnAEY5vS99iMR/PKfasuvnb6tAENoIbVGpYyN59UGgYi5TJT9h4fw fgSRqX7KRrYVhqXbZjreDTehbFB4+7HYF8dQhSxt5i6VDTk29t4xAg5OIsE+LJgiSrGA7O W70L1jgb9bSclNk8VVuOwrMZIYEVGTKd/dv9yZ6tGZkS/J/21u9OSLxd/5UqqYaHxvMbwu 3nG5MqjbrGt0L9DHNLwNdEJkQZSBKDkSQ8Pvc/X1iQ+fcOy5cHHqpt+YzH8XsA== 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=1775170143; 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=r9Mzky835WY4qwVxErUBxhjTsfA/I1qJuRmb7TCbYvk=; b=ixZODBbqRrTf52JEs/VXnCDeczl22iYZAxY3+jkwJCRmy3suQlDUPgHuzfuDaIeZrW7XTL 6FJ1BCxDSms7cMz01tTntxwVT1I5LxCOrQVhRmu1p0WkTAS2EAi0VDVo+AvkMj7hu6XP4v a9sOl+Jl5dAxQjr9gDj4C4c8Ej2k6siQSZbCUEjfU/Abl2QUvOB1u95E6BP2zH33rOxHpN ZF/DMgyvkL7ZUUejSOF/f5WsOqBssYR4A4iumhd1sKDKOO7kNLwVLJ/1tJTDEGFmF2Bmei hwI4b76zX6v4xthwPF1iE/O5bsfhGIjT44DldolJlQeZ7ArGlnfZavPuAZ12Lw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fmxqM5S69z6R4 for ; Thu, 02 Apr 2026 22:49:03 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 43d63 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 02 Apr 2026 22:48:58 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Kit Dallege From: Mitchell Horne Subject: git: 3e9f4fd6fc50 - main - mq_open(2): document sysctl limit EINVAL and ENFILE conditions 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 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: mhorne X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 3e9f4fd6fc50300d052d5619d82a14d3488483d5 Auto-Submitted: auto-generated Date: Thu, 02 Apr 2026 22:48:58 +0000 Message-Id: <69cef25a.43d63.7fc8cda8@gitrepo.freebsd.org> The branch main has been updated by mhorne: URL: https://cgit.FreeBSD.org/src/commit/?id=3e9f4fd6fc50300d052d5619d82a14d3488483d5 commit 3e9f4fd6fc50300d052d5619d82a14d3488483d5 Author: Kit Dallege AuthorDate: 2026-04-02 17:37:49 +0000 Commit: Mitchell Horne CommitDate: 2026-04-02 22:48:52 +0000 mq_open(2): document sysctl limit EINVAL and ENFILE conditions Document two missing error conditions for mq_open(2): - EINVAL: returned when mq_maxmsg exceeds kern.mqueue.maxmsg or mq_msgsize exceeds kern.mqueue.maxmsgsize. - ENFILE: add kern.mqueue.maxmq sysctl name to the existing entry. PR: 243209 Reviewed by: mhorne MFC after: 1 week Signed-off-by: Kit Dallege Pull Request: https://github.com/freebsd/freebsd-src/pull/2098 --- lib/libsys/mq_open.2 | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/lib/libsys/mq_open.2 b/lib/libsys/mq_open.2 index 4800ab18de59..f0b8618f62a5 100644 --- a/lib/libsys/mq_open.2 +++ b/lib/libsys/mq_open.2 @@ -35,7 +35,7 @@ .\" the referee document. The original Standard can be obtained online at .\" http://www.opengroup.org/unix/online.html. .\" -.Dd May 15, 2024 +.Dd April 2, 2026 .Dt MQ_OPEN 2 .Os .Sh NAME @@ -282,6 +282,24 @@ and either or .Va mq_msgsize was less than or equal to zero. +.It Bq Er EINVAL +.Dv O_CREAT +was specified in +.Fa oflag , +the value of +.Fa attr +is not +.Dv NULL , +and either +.Va mq_maxmsg +exceeds the +.Va kern.mqueue.maxmsg +sysctl limit, +or +.Va mq_msgsize +exceeds the +.Va kern.mqueue.maxmsgsize +sysctl limit. .It Bq Er EMFILE Too many message queue descriptors or file descriptors are currently in use by this process. @@ -295,6 +313,9 @@ is longer than .Brq Dv NAME_MAX . .It Bq Er ENFILE Too many message queues are currently open in the system. +The system limit is controlled by the +.Va kern.mqueue.maxmq +sysctl. .It Bq Er ENOENT .Dv O_CREAT is not set and the named message queue does not exist.