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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //compat/linux/proc/68247/root/compat/linux/proc/68247/root/sys/sys/osd.h |
/*-
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/sys/osd.h 216615 2010-12-21 13:45:29Z lstewart $
*/
#ifndef _SYS_OSD_H_
#define _SYS_OSD_H_
#include <sys/queue.h>
/*
* Lock key:
* (c) container lock (e.g. jail's pr_mtx) and/or osd_object_lock
* (l) osd_list_lock
*/
struct osd {
u_int osd_nslots; /* (c) */
void **osd_slots; /* (c) */
LIST_ENTRY(osd) osd_next; /* (l) */
};
#ifdef _KERNEL
#define OSD_THREAD 0
#define OSD_JAIL 1
#define OSD_KHELP 2
#define OSD_FIRST OSD_THREAD
#define OSD_LAST OSD_KHELP
typedef void (*osd_destructor_t)(void *value);
typedef int (*osd_method_t)(void *obj, void *data);
int osd_register(u_int type, osd_destructor_t destructor,
osd_method_t *methods);
void osd_deregister(u_int type, u_int slot);
int osd_set(u_int type, struct osd *osd, u_int slot, void *value);
void *osd_get(u_int type, struct osd *osd, u_int slot);
void osd_del(u_int type, struct osd *osd, u_int slot);
int osd_call(u_int type, u_int method, void *obj, void *data);
void osd_exit(u_int type, struct osd *osd);
#define osd_thread_register(destructor) \
osd_register(OSD_THREAD, (destructor), NULL)
#define osd_thread_deregister(slot) \
osd_deregister(OSD_THREAD, (slot))
#define osd_thread_set(td, slot, value) \
osd_set(OSD_THREAD, &(td)->td_osd, (slot), (value))
#define osd_thread_get(td, slot) \
osd_get(OSD_THREAD, &(td)->td_osd, (slot))
#define osd_thread_del(td, slot) do { \
KASSERT((td) == curthread, ("Not curthread.")); \
osd_del(OSD_THREAD, &(td)->td_osd, (slot)); \
} while (0)
#define osd_thread_call(td, method, data) \
osd_call(OSD_THREAD, (method), (td), (data))
#define osd_thread_exit(td) \
osd_exit(OSD_THREAD, &(td)->td_osd)
#define osd_jail_register(destructor, methods) \
osd_register(OSD_JAIL, (destructor), (methods))
#define osd_jail_deregister(slot) \
osd_deregister(OSD_JAIL, (slot))
#define osd_jail_set(pr, slot, value) \
osd_set(OSD_JAIL, &(pr)->pr_osd, (slot), (value))
#define osd_jail_get(pr, slot) \
osd_get(OSD_JAIL, &(pr)->pr_osd, (slot))
#define osd_jail_del(pr, slot) \
osd_del(OSD_JAIL, &(pr)->pr_osd, (slot))
#define osd_jail_call(pr, method, data) \
osd_call(OSD_JAIL, (method), (pr), (data))
#define osd_jail_exit(pr) \
osd_exit(OSD_JAIL, &(pr)->pr_osd)
#endif /* _KERNEL */
#endif /* !_SYS_OSD_H_ */