Date: Sun, 12 Jul 2026 14:25:43 +0000 From: Konstantin Belousov <kib@FreeBSD.org> To: doc-committers@FreeBSD.org, dev-commits-doc-all@FreeBSD.org Subject: git: 66feafd5df - main - ntsync(9) report Message-ID: <6a53a3e7.382ad.39bd28e2@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/doc/commit/?id=66feafd5df132bd49618f2a3f57e8e6182eeb5fc commit 66feafd5df132bd49618f2a3f57e8e6182eeb5fc Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2026-06-09 01:14:06 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2026-07-12 14:25:17 +0000 ntsync(9) report Reviewed by: salvadore Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D57932 --- .../en/status/report-2026-04-2026-06/ntsync.adoc | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/website/content/en/status/report-2026-04-2026-06/ntsync.adoc b/website/content/en/status/report-2026-04-2026-06/ntsync.adoc new file mode 100644 index 0000000000..bd1beb8086 --- /dev/null +++ b/website/content/en/status/report-2026-04-2026-06/ntsync.adoc @@ -0,0 +1,17 @@ +=== NTSYNC(9) + +Contact: Konstantin Belousov <kib@FreeBSD.org> + +Recently there was a stream of articles hyping the Linux driver ntsync which implemented a helper for Wine to accelerate Windows NT synchronization primitives. +The substrates to implement semaphores, mutexes, and events from the Win32 land are provided by it. +The driver represents each NT object as a file descriptor, which has the set of the ioctls defined that directly map into the Win32 operations. + +The project implemented the driver providing the compatible ntsync interface as specified in the Linux 7.0-rc3 document Documentation/userspace-api/ntsync.rst. +Both native FreeBSD interface, and the Linu ABI compatibility layers, are written. + +To test the driver, a minimal version of the Linux kernel test harness was ported. +FreeBSD driver follows the interface details as encoded by the tests, when a discrepancy between Linux documentation and tests was found. + +Both the driver and its man page man:ntsync(4) were written from scratch, without consulting the Linux source code. + +Sponsor: The FreeBSD Foundationhome | help
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