FreeBSD kernel kern code: kern/subr_kobj.c File Reference

FreeBSD kernel kern code

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/kobj.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/sysctl.h>
#include <sys/systm.h>

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Macros
#define	KOBJ_LOCK() mtx_lock(&kobj_mtx)

#define	KOBJ_UNLOCK() mtx_unlock(&kobj_mtx)

#define	KOBJ_ASSERT(what) mtx_assert(&kobj_mtx, what);

Functions
	__FBSDID ("$FreeBSD$")

static	MALLOC_DEFINE (M_KOBJ, "kobj", "Kernel object structures")

	SYSCTL_INT (_kern, OID_AUTO, kobj_methodcount, CTLFLAG_RD, &kobj_next_id, 0, "Number of kernel object methods registered")

static void	kobj_init_mutex (void *arg)

	SYSINIT (kobj, SI_SUB_LOCK, SI_ORDER_ANY, kobj_init_mutex, NULL)

int	kobj_error_method (void)

static void	kobj_class_compile_common (kobj_class_t cls, kobj_ops_t ops)

static int	kobj_class_compile1 (kobj_class_t cls, int mflags)

void	kobj_class_compile (kobj_class_t cls)

void	kobj_class_compile_static (kobj_class_t cls, kobj_ops_t ops)

static kobj_method_t *	kobj_lookup_method_class (kobj_class_t cls, kobjop_desc_t desc)

static kobj_method_t *	kobj_lookup_method_mi (kobj_class_t cls, kobjop_desc_t desc)

kobj_method_t *	kobj_lookup_method (kobj_class_t cls, kobj_method_t **cep, kobjop_desc_t desc)

void	kobj_class_free (kobj_class_t cls)

static void	kobj_init_common (kobj_t obj, kobj_class_t cls)

static int	kobj_init1 (kobj_t obj, kobj_class_t cls, int mflags)

kobj_t	kobj_create (kobj_class_t cls, struct malloc_type *mtype, int mflags)

void	kobj_init (kobj_t obj, kobj_class_t cls)

void	kobj_init_static (kobj_t obj, kobj_class_t cls)

void	kobj_delete (kobj_t obj, struct malloc_type *mtype)

Variables
static struct mtx	kobj_mtx

static int	kobj_mutex_inited

static int	kobj_next_id = 1

static const struct kobj_method	null_method

Macro Definition Documentation

◆ KOBJ_ASSERT

#define KOBJ_ASSERT ( what ) mtx_assert(&kobj_mtx, what);

Definition at line 67 of file subr_kobj.c.

◆ KOBJ_LOCK

#define KOBJ_LOCK ( ) mtx_lock(&kobj_mtx)

Definition at line 65 of file subr_kobj.c.

◆ KOBJ_UNLOCK

#define KOBJ_UNLOCK ( ) mtx_unlock(&kobj_mtx)

Definition at line 66 of file subr_kobj.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ kobj_class_compile()

void kobj_class_compile ( kobj_class_t cls )

Definition at line 157 of file subr_kobj.c.

References kobj_class_compile1().

Referenced by devclass_add_driver(), linker_add_class(), and root_bus_module_handler().

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◆ kobj_class_compile1()

static int kobj_class_compile1	(	kobj_class_t	cls,
		int	mflags
	)

static

Definition at line 130 of file subr_kobj.c.

References free(), KOBJ_ASSERT, kobj_class_compile_common(), KOBJ_LOCK, KOBJ_UNLOCK, and malloc().

Referenced by kobj_class_compile(), and kobj_init1().

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◆ kobj_class_compile_common()

static void kobj_class_compile_common	(	kobj_class_t	cls,
		kobj_ops_t	ops
	)

static

Definition at line 101 of file subr_kobj.c.

References kobj_next_id, and null_method.

Referenced by kobj_class_compile1(), and kobj_class_compile_static().

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◆ kobj_class_compile_static()

void kobj_class_compile_static	(	kobj_class_t	cls,
		kobj_ops_t	ops
	)

Definition at line 166 of file subr_kobj.c.

References kobj_class_compile_common(), and kobj_mutex_inited.

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◆ kobj_class_free()

void kobj_class_free ( kobj_class_t cls )

Definition at line 233 of file subr_kobj.c.

References free(), KOBJ_ASSERT, KOBJ_LOCK, and KOBJ_UNLOCK.

Referenced by devclass_delete_driver(), and kobj_delete().

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◆ kobj_create()

kobj_t kobj_create	(	kobj_class_t	cls,
		struct malloc_type *	mtype,
		int	mflags
	)

Definition at line 295 of file subr_kobj.c.

References free(), kobj_init1(), and malloc().

Referenced by linker_make_file().

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◆ kobj_delete()

void kobj_delete	(	kobj_t	obj,
		struct malloc_type *	mtype
	)

Definition at line 330 of file subr_kobj.c.

References free(), KOBJ_ASSERT, kobj_class_free(), KOBJ_LOCK, and KOBJ_UNLOCK.

Referenced by device_delete_child(), device_set_driver(), linker_file_unload(), and make_device().

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◆ kobj_error_method()

int kobj_error_method ( void )

Definition at line 94 of file subr_kobj.c.

◆ kobj_init()

void kobj_init	(	kobj_t	obj,
		kobj_class_t	cls
	)

Definition at line 310 of file subr_kobj.c.

References kobj_init1(), and panic().

Referenced by device_set_driver(), make_device(), and root_bus_module_handler().

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◆ kobj_init1()

static int kobj_init1	(	kobj_t	obj,
		kobj_class_t	cls,
		int	mflags
	)

static

Definition at line 272 of file subr_kobj.c.

References kobj_class_compile1(), kobj_init_common(), KOBJ_LOCK, and KOBJ_UNLOCK.

Referenced by kobj_create(), and kobj_init().

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◆ kobj_init_common()

static void kobj_init_common	(	kobj_t	obj,
		kobj_class_t	cls
	)

static

Definition at line 264 of file subr_kobj.c.

Referenced by kobj_init1(), and kobj_init_static().

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◆ kobj_init_mutex()

static void kobj_init_mutex ( void * arg )

static

Definition at line 74 of file subr_kobj.c.

References kobj_mtx, and kobj_mutex_inited.

◆ kobj_init_static()

void kobj_init_static	(	kobj_t	obj,
		kobj_class_t	cls
	)

Definition at line 320 of file subr_kobj.c.

References kobj_init_common(), and kobj_mutex_inited.

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◆ kobj_lookup_method()

kobj_method_t * kobj_lookup_method	(	kobj_class_t	cls,
		kobj_method_t **	cep,
		kobjop_desc_t	desc
	)

Definition at line 218 of file subr_kobj.c.

References kobj_lookup_method_mi().

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◆ kobj_lookup_method_class()

static kobj_method_t * kobj_lookup_method_class	(	kobj_class_t	cls,
		kobjop_desc_t	desc
	)

static

Definition at line 180 of file subr_kobj.c.

Referenced by kobj_lookup_method_mi().

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◆ kobj_lookup_method_mi()

static kobj_method_t * kobj_lookup_method_mi	(	kobj_class_t	cls,
		kobjop_desc_t	desc
	)

static

Definition at line 195 of file subr_kobj.c.

References kobj_lookup_method_class(), and kobj_lookup_method_mi().

Referenced by kobj_lookup_method(), and kobj_lookup_method_mi().

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◆ MALLOC_DEFINE()

static MALLOC_DEFINE	(	M_KOBJ	,
		"kobj"	,
		"Kernel object structures"
	)

static

◆ SYSCTL_INT()

SYSCTL_INT	(	_kern	,
		OID_AUTO	,
		kobj_methodcount	,
		CTLFLAG_RD	,
		&	kobj_next_id,
		0	,
		"Number of kernel object methods registered"
	)

◆ SYSINIT()

SYSINIT	(	kobj	,
		SI_SUB_LOCK	,
		SI_ORDER_ANY	,
		kobj_init_mutex	,
		NULL
	)

Variable Documentation

◆ kobj_mtx

struct mtx kobj_mtx

static

Definition at line 61 of file subr_kobj.c.

Referenced by kobj_init_mutex().

◆ kobj_mutex_inited

int kobj_mutex_inited

static

Definition at line 62 of file subr_kobj.c.

Referenced by kobj_class_compile_static(), kobj_init_mutex(), and kobj_init_static().

◆ kobj_next_id

int kobj_next_id = 1

static

Definition at line 63 of file subr_kobj.c.

Referenced by kobj_class_compile_common().

◆ null_method

const struct kobj_method null_method

static

Initial value:

= {
        0, 0,
}

Definition at line 89 of file subr_kobj.c.

Referenced by kobj_class_compile_common().

kern
subr_kobj.c
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