From nobody Mon Apr 20 17:42:50 2026 X-Original-To: dev-commits-src-all@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 4fzt9l4YGwz6ZFkF for ; Mon, 20 Apr 2026 17:42:51 +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 "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fzt9k7469z3b8g for ; Mon, 20 Apr 2026 17:42:50 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776706971; 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=R6q4Qo+g45SBw3zNtPq6QUaWTCdAbHT8mWtT815GOcU=; b=bnJp0YIroqwJaQl7hkZcKVNBunt0gvjfygTqYsotaWDEIiz6N1GK9zY46lwC6g4J7ltoNG 2lgwv+CGp8Hc6C6r5dCs62YGoREPnwfsKgVbIfDCu+3JQHz8W+1YS2w8u47hnCgMUNBgzW rdHylQXqx3MiliNck4/W6uMAbFoYAzh8hD9CjPpycl2+l2NmZxW+WvnoBdEoadLJA0WqZi 4ILoe7jwKWqZERZ7pWMEEQerC6vYLq6946hpZCMvr4IOMFMPSsx8+1MjUqI7fc8tm9+jKu 9nskoXIZAK5uAHWLIxG6feC9csf9THYqP8K+hrICsdpsygKFNTQnhJHuXEtO8Q== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776706971; a=rsa-sha256; cv=none; b=rkrmIImdFNLbImi8t0UYu0WbzWAf1hNNcMZ7+u7v95q8AEfHeTWNDYvysBwz4K2ba1BMte FnoAVjfSGFLEtquTUhCf12YVFDzrLt7fBUI/S8/UbrPKUmvhMXY0UY//NVQMw5bH/5H0RI fWBzQ6v46k3/eFRV7XbWlExq1dPt05kRm2uUntiZPkDm0CVZSkmzzJPKD8qQfOTWXfnBQj hhi6QsFs0x+SGgZISexJhIv+r1TBhTv/hl9N233obv/B5wT9BqMvP/eh5N7WYctfEgtoQs AgfkgwmK2cOw55l4rKzki/zbDEUBfP6qRGIYfejtClqpJMQotUlb23VaNGRbeQ== 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=1776706971; 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=R6q4Qo+g45SBw3zNtPq6QUaWTCdAbHT8mWtT815GOcU=; b=XXrujdxBYSt99z3hOs58c9+JLvnZoaTPrYG89jAM8Kwe3klxze84NWhPRmY0sSBJ0o3qs0 pr5THye/j8a3j7zVNrcCPhLTQWRRNkbn+1jMiTqFIledQKoNumZVh2ekHPnakziWq4rFQB hN4GldqjUf7S/gJo5VhIhTENQgCi+vI5UNoHaoHAd0r8ej/VpyOko9CFDKm5tvhef7Gu+S GPg/JzcBUD7LbSiGWDjBNd9UEyefUhc0O7dH4wEQ5vFEoZpHqCLp8LkreVIAivYsgnAu+e oRHO5F5SdGWVm6odCBMgePn2JFD6hnGHolOsaiGVlSiqM0pvuC2VefkJuWoPzw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fzt9k6gY9z16XL for ; Mon, 20 Apr 2026 17:42:50 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3efdb by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Mon, 20 Apr 2026 17:42:50 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Konstantin Belousov Subject: git: 324b3c2892a5 - main - membarrier.2: document MEMBARRIER_CMD_GET_REGISTRATIONS List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 324b3c2892a53e5fd9b1d8795a31a59ee835c5de Auto-Submitted: auto-generated Date: Mon, 20 Apr 2026 17:42:50 +0000 Message-Id: <69e6659a.3efdb.24113945@gitrepo.freebsd.org> The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=324b3c2892a53e5fd9b1d8795a31a59ee835c5de commit 324b3c2892a53e5fd9b1d8795a31a59ee835c5de Author: Konstantin Belousov AuthorDate: 2026-04-18 18:47:02 +0000 Commit: Konstantin Belousov CommitDate: 2026-04-20 17:42:28 +0000 membarrier.2: document MEMBARRIER_CMD_GET_REGISTRATIONS Reviewed by: markj, Ricardo Branco Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D56507 --- lib/libsys/membarrier.2 | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/libsys/membarrier.2 b/lib/libsys/membarrier.2 index 87db620975ef..1dce2c823022 100644 --- a/lib/libsys/membarrier.2 +++ b/lib/libsys/membarrier.2 @@ -83,6 +83,8 @@ CPU are fenced. Register the process to receive .Dv MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE memory barriers. +.It Dv MEMBARRIER_CMD_GET_REGISTRATIONS +Return the bitmask of the currently registered receive barriers. .El .Pp The following @@ -106,6 +108,10 @@ If the is .Dv MEMBARRIER_CMD_QUERY a bitmask of supported commands is returned. +For the +.Dv MEMBARRIER_CMD_GET_REGISTRATIONS +command, a bitmask of the registrations for the current process +is returned. Otherwise, on success, .Nm returns 0.