Date: Mon, 27 Apr 2026 01:29:46 +0000 From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: b024a8d082a9 - stable/15 - membarrier.2: document MEMBARRIER_CMD_GET_REGISTRATIONS Message-ID: <69eebc0a.2641e.5ce8a89c@gitrepo.freebsd.org>
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The branch stable/15 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=b024a8d082a96a9c9d0151d0aeb864f67a4e9fcb commit b024a8d082a96a9c9d0151d0aeb864f67a4e9fcb Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2026-04-18 18:47:02 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2026-04-27 01:28:59 +0000 membarrier.2: document MEMBARRIER_CMD_GET_REGISTRATIONS (cherry picked from commit 324b3c2892a53e5fd9b1d8795a31a59ee835c5de) --- 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.home | help
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