Date: Wed, 03 Dec 2025 04:40:51 +0000 From: Warner Losh <imp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 618347747494 - main - kqueue(9): document f_copy Message-ID: <692fbf53.3d6b9.17cac8b2@gitrepo.freebsd.org>
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The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=618347747494f0c0842edbdfe29bacf533b10d0f commit 618347747494f0c0842edbdfe29bacf533b10d0f Author: Warner Losh <imp@FreeBSD.org> AuthorDate: 2025-12-03 04:40:47 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2025-12-03 04:40:47 +0000 kqueue(9): document f_copy f_copy controls whether and how a knote is inherited by the child process. Sponsored by: Netflix Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D53845 --- share/man/man9/kqueue.9 | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/share/man/man9/kqueue.9 b/share/man/man9/kqueue.9 index 8214d7c01673..bc73530226f0 100644 --- a/share/man/man9/kqueue.9 +++ b/share/man/man9/kqueue.9 @@ -22,7 +22,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd December 18, 2023 +.Dd December 2, 2025 .Dt KQUEUE 9 .Os .Sh NAME @@ -197,6 +197,18 @@ function of the that the .Va knote was added to. +.It Va f_copy +The +.Va f_copy +function is called to copy notes when the process forks. +When +.Dv NULL , +the current node is not duplicated to the child process. +Filter might set +.Dv f_copy +to +.Fn knote_triv_copy +if there is no additional handling required, besides shallow copying of the knote itself. .El .Pp The functionhelp
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