kern_khelp.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/hhook.h>
#include <sys/khelp.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/module_khelp.h>
#include <sys/osd.h>
#include <sys/queue.h>
#include <sys/refcount.h>
#include <sys/rwlock.h>
#include <sys/systm.h>

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Macros
#define	KHELP_LIST_WLOCK()   rw_wlock(&khelp_list_lock)
#define	KHELP_LIST_WUNLOCK()   rw_wunlock(&khelp_list_lock)
#define	KHELP_LIST_RLOCK()   rw_rlock(&khelp_list_lock)
#define	KHELP_LIST_RUNLOCK()   rw_runlock(&khelp_list_lock)
#define	KHELP_LIST_LOCK_ASSERT()   rw_assert(&khelp_list_lock, RA_LOCKED)

Functions
	__FBSDID ("$BSDSUniX$")
	RW_SYSINIT (khelplistlock,&khelp_list_lock,"helper list lock")
static	TAILQ_HEAD (helper_head, helper)
int	khelp_deregister_helper (struct helper *h)
int	khelp_init_osd (uint32_t classes, struct osd *hosd)
int	khelp_destroy_osd (struct osd *hosd)
static void	khelp_remove_osd (struct helper *h, struct osd *hosd)
void *	khelp_get_osd (struct osd *hosd, int32_t id)
int32_t	khelp_get_id (char *hname)
int	khelp_add_hhook (struct hookinfo *hki, uint32_t flags)
int	khelp_remove_hhook (struct hookinfo *hki)
void	khelp_new_hhook_registered (struct hhook_head *hhh, uint32_t flags)
int	khelp_modevent (module_t mod, int event_type, void *data)

Variables
static struct rwlock	khelp_list_lock

Macro Definition Documentation

#define KHELP_LIST_LOCK_ASSERT

(

)

rw_assert(&khelp_list_lock, RA_LOCKED)

#define KHELP_LIST_RLOCK

(

)

rw_rlock(&khelp_list_lock)

Referenced by khelp_destroy_osd(), khelp_get_id(), khelp_init_osd(), and khelp_new_hhook_registered().

#define KHELP_LIST_RUNLOCK

(

)

rw_runlock(&khelp_list_lock)

Referenced by khelp_destroy_osd(), khelp_get_id(), khelp_init_osd(), and khelp_new_hhook_registered().

#define KHELP_LIST_WLOCK

(

)

rw_wlock(&khelp_list_lock)

Referenced by khelp_deregister_helper(), and TAILQ_HEAD().

#define KHELP_LIST_WUNLOCK

(

)

rw_wunlock(&khelp_list_lock)

Referenced by khelp_deregister_helper(), and TAILQ_HEAD().

Function Documentation

__FBSDID

(

"$BSDSUniX$"

)

int khelp_add_hhook	(	struct hookinfo *	hki,
		uint32_t	flags
	)

Definition at line 257 of file kern_khelp.c.

References hhook_add_hook_lookup().

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int khelp_deregister_helper

(

struct helper *

h

)

Definition at line 119 of file kern_khelp.c.

References hhook_remove_hook_lookup(), KHELP_LIST_WLOCK, KHELP_LIST_WUNLOCK, and osd_deregister().

Referenced by khelp_modevent().

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int khelp_destroy_osd

(

struct osd *

hosd

)

Definition at line 186 of file kern_khelp.c.

References KHELP_LIST_RLOCK, KHELP_LIST_RUNLOCK, and khelp_remove_osd().

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int32_t khelp_get_id

(

char *

hname

)

Definition at line 237 of file kern_khelp.c.

References KHELP_LIST_RLOCK, and KHELP_LIST_RUNLOCK.

void* khelp_get_osd	(	struct osd *	hosd,
		int32_t	id
	)

Definition at line 230 of file kern_khelp.c.

References osd_get().

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int khelp_init_osd	(	uint32_t	classes,
		struct osd *	hosd
	)

Definition at line 149 of file kern_khelp.c.

References KHELP_LIST_RLOCK, KHELP_LIST_RUNLOCK, khelp_remove_osd(), and osd_set().

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int khelp_modevent	(	module_t	mod,
		int	event_type,
		void *	data
	)

Definition at line 315 of file kern_khelp.c.

References khelp_deregister_helper(), and printf().

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void khelp_new_hhook_registered	(	struct hhook_head *	hhh,
		uint32_t	flags
	)

Definition at line 289 of file kern_khelp.c.

References hhook_add_hook(), KHELP_LIST_RLOCK, KHELP_LIST_RUNLOCK, and printf().

Referenced by hhook_head_register().

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int khelp_remove_hhook

(

struct hookinfo *

hki

)

Definition at line 271 of file kern_khelp.c.

References hhook_remove_hook_lookup().

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static void khelp_remove_osd ( struct helper *  h, struct osd *  hosd  )

inlinestatic

Definition at line 210 of file kern_khelp.c.

References osd_del(), and osd_get().

Referenced by khelp_destroy_osd(), and khelp_init_osd().

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RW_SYSINIT	(	khelplistlock	,
		&	khelp_list_lock,
		"helper list lock"
	)

static TAILQ_HEAD ( helper_head  , helper    )

static

Definition at line 57 of file kern_khelp.c.

References hhook_add_hook_lookup(), hhook_remove_hook_lookup(), KHELP_LIST_WLOCK, KHELP_LIST_WUNLOCK, osd_deregister(), osd_register(), and printf().

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Variable Documentation

struct rwlock khelp_list_lock

static

Definition at line 54 of file kern_khelp.c.