git: 1bacdee058ae - stable/13 - Add gone_in(9) man page
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Date: Fri, 03 Dec 2021 16:48:15 UTC
The branch stable/13 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=1bacdee058ae2767e9fba5ae7593ce1518554391 commit 1bacdee058ae2767e9fba5ae7593ce1518554391 Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2021-06-09 17:19:16 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2021-12-03 16:45:59 +0000 Add gone_in(9) man page Reviewed by: imp MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D30703 (cherry picked from commit d8aeab4b45a94b3e1ab4396235e4426747e310fe) --- share/man/man9/Makefile | 2 ++ share/man/man9/gone_in.9 | 94 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 96 insertions(+) diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile index f6eced940295..73ebdef29180 100644 --- a/share/man/man9/Makefile +++ b/share/man/man9/Makefile @@ -159,6 +159,7 @@ MAN= accept_filter.9 \ g_provider_by_name.9 \ groupmember.9 \ g_wither_geom.9 \ + gone_in.9 \ hash.9 \ hashinit.9 \ hexdump.9 \ @@ -1123,6 +1124,7 @@ MLINKS+=g_geom.9 g_destroy_geom.9 \ MLINKS+=g_provider.9 g_destroy_provider.9 \ g_provider.9 g_error_provider.9 \ g_provider.9 g_new_providerf.9 +MLINKS+=gone_in.9 gone_in_dev.9 MLINKS+=hash.9 hash32.9 \ hash.9 hash32_buf.9 \ hash.9 hash32_str.9 \ diff --git a/share/man/man9/gone_in.9 b/share/man/man9/gone_in.9 new file mode 100644 index 000000000000..b2474d610b24 --- /dev/null +++ b/share/man/man9/gone_in.9 @@ -0,0 +1,94 @@ +.\" Copyright (c) 2021 The FreeBSD Foundation +.\" +.\" This document was written by Ed Maste under sponsorhip from +.\" The FreeBSD Foundation. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd August 16, 2021 +.Dt GONE_IN 9 +.Os +.Sh NAME +.Nm gone_in , +.Nm gone_in_dev +.Nd deprecation notice functions +.Sh SYNOPSIS +.In sys/systm.h +.Ft void +.Fn gone_in "int major" "const char *msg" +.Ft void +.Fn gone_in_dev "device_t dev" "int major" "const char *msg" +.Sh DESCRIPTION +The +.Fn gone_in +functions are used to provide a notice that the kernel is using a driver or +some other functionality that is deprecated, and will be removed in a future +.Fx +release. +The notice is sent to the kernel +.Xr dmesg 8 +log and will appear on the console. +The +.Fa major +argument specifies the major version of the +.Fx +release that will remove the deprecated functionality. +.Pp +In releases before +.Fa major +the deprecation notice states +.Do +Deprecated code (to be removed in FreeBSD +.Fa major Ns ): +.Fa msg +.Dc . +In releases equal to and after +.Fa major +the notice states +.Do +Obsolete code will be removed soon: +.Fa msg +.Dc . +.Sh EXAMPLES +.Bd -literal -offset indent +void +sample_init(void) +{ + /* Initializaiton code omitted. */ + + gone_in(14, "Giant-locked filesystem"); +} + +int +example_driver_attach(struct example_driver_softc *sc) +{ + /* Attach code omitted. */ + + gone_in_dev(sc->dev, 14, "Giant-locked driver"); +} +.Ed +.Sh HISTORY +The +.Nm +functions first appeared in +.Fx 11 .