sys/sysctl.h: FEATURE_ADD()

A macro to dynamically register report of the kernel feature.

Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D42641

This commit is contained in:

Konstantin Belousov

2023-11-21 00:43:07 +02:00

parent 25d0310ed8

commit 46f3a29ee1

1 changed files with 6 additions and 0 deletions

									
										sys/sys/sysctl.h
									
		+6
		
												View File
												
				@@ -927,6 +927,12 @@ TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);

				#define	FEATURE(name, desc)						\

					SYSCTL_INT_WITH_LABEL(_kern_features, OID_AUTO, name,		\

					    CTLFLAG_RD | CTLFLAG_CAPRD, SYSCTL_NULL_INT_PTR, 1, desc, "feature")

				/* Same for the dynamic registration. */

				#define	FEATURE_ADD(name, desc)						\

					sysctl_add_oid(NULL, SYSCTL_CHILDREN(&sysctl___kern_features),	\

					    OID_AUTO, name,						\

					    CTLFLAG_RD | CTLFLAG_CAPRD | CTLTYPE_INT | CTLFLAG_MPSAFE,	\

					    NULL, 1, sysctl_handle_int, "I", desc, "feature");

				#endif /* _KERNEL */