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sysctl.h: Less namespace pollution

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Remove unused struct ctlname. It is unused. Move struct thread to
inside #if _KERNEL.

Sponsored by:		Netflix
Reviewed by:		kib
Differential Revision:	https://reviews.freebsd.org/D32457
This commit is contained in:
Warner Losh 2021-10-11 11:15:08 -06:00
parent 56ee5c551f
commit 99eefc727e
1 changed files with 7 additions and 13 deletions
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20
sys/sys/sysctl.h
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@ -42,7 +42,6 @@
#include <sys/queue.h>
#endif
struct thread;
/*
* Definitions for sysctl call. The sysctl call uses a hierarchical name
* for objects that can be examined or modified. The name is expressed as
@ -50,22 +49,16 @@ struct thread;
* component depends on its place in the hierarchy. The top-level and kern
* identifiers are defined here, and other identifiers are defined in the
* respective subsystem header files.
*
* Each subsystem defined by sysctl defines a list of variables for that
* subsystem. Each name is either a node with further levels defined below it,
* or it is a leaf of some particular type given below. Each sysctl level
* defines a set of name/type pairs to be used by sysctl(8) in manipulating the
* subsystem.
*/
#define CTL_MAXNAME 24 /* largest number of components supported */
/*
* Each subsystem defined by sysctl defines a list of variables
* for that subsystem. Each name is either a node with further
* levels defined below it, or it is a leaf of some particular
* type given below. Each sysctl level defines a set of name/type
* pairs to be used by sysctl(8) in manipulating the subsystem.
*/
struct ctlname {
char *ctl_name; /* subsystem name */
int ctl_type; /* type of name */
};
#define CTLTYPE 0xf /* mask for the type */
#define CTLTYPE_NODE 1 /* name is a node */
#define CTLTYPE_INT 2 /* name describes an integer */
@ -164,6 +157,7 @@ struct ctlname {
* This describes the access space for a sysctl request. This is needed
* so that we can use the interface from the kernel or from user-space.
*/
struct thread;
struct sysctl_req {
struct thread *td; /* used for access checking */
int lock; /* wiring state */