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Document DECLARE_MODULE_TIED

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It was introduced in r213716.

Reviewed by:	kib
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Ed Maste 2018-02-13 21:22:09 +00:00
parent 0f18e6f6d6
commit 920bdda857
1 changed files with 13 additions and 2 deletions
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15
share/man/man9/DECLARE_MODULE.9
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@ -28,7 +28,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd January 6, 2005
.Dd February 13, 2018
.Dt DECLARE_MODULE 9
.Os
.Sh NAME
@ -39,6 +39,7 @@
.In sys/kernel.h
.In sys/module.h
.Fn DECLARE_MODULE "name" "moduledata_t data" "sub" "order"
.Fn DECLARE_MODULE_TIED "name" "moduledata_t data" "sub" "order"
.Sh DESCRIPTION
The
.Fn DECLARE_MODULE
@ -55,7 +56,17 @@ and
Of course, it can also be called directly, for example in
order to implement dynamic sysctls.
.Pp
The arguments it expects are:
A module declared with
.Fn DECLARE_MODULE_TIED
will load only if the running kernel version
(as specified by
.Dv __FreeBSD_version )
is identical to that on which it was built.
This declaration should be used by modules which depend on interfaces beyond
the stable kernel KBI (such as ABI emulators or hypervisors that rely on
internal kernel structures).
.Pp
The arguments are:
.Bl -tag -width indent
.It Fa name
The module name, which will be used in the