c4e20cad00
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
113 lines
4.0 KiB
C
113 lines
4.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_OSD_H_
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#define _SYS_OSD_H_
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#include <sys/queue.h>
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/*
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* Lock key:
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* (c) container lock (e.g. jail's pr_mtx) and/or osd_object_lock
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* (l) osd_list_lock
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*/
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struct osd {
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u_int osd_nslots; /* (c) */
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void **osd_slots; /* (c) */
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LIST_ENTRY(osd) osd_next; /* (l) */
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};
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#ifdef _KERNEL
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#define OSD_THREAD 0
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#define OSD_JAIL 1
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#define OSD_KHELP 2
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#define OSD_FIRST OSD_THREAD
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#define OSD_LAST OSD_KHELP
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typedef void (*osd_destructor_t)(void *value);
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typedef int (*osd_method_t)(void *obj, void *data);
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int osd_register(u_int type, osd_destructor_t destructor,
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osd_method_t *methods);
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void osd_deregister(u_int type, u_int slot);
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int osd_set(u_int type, struct osd *osd, u_int slot, void *value);
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void **osd_reserve(u_int slot);
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int osd_set_reserved(u_int type, struct osd *osd, u_int slot, void **rsv,
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void *value);
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void osd_free_reserved(void **rsv);
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void *osd_get(u_int type, struct osd *osd, u_int slot);
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void osd_del(u_int type, struct osd *osd, u_int slot);
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int osd_call(u_int type, u_int method, void *obj, void *data);
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void osd_exit(u_int type, struct osd *osd);
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#define osd_thread_register(destructor) \
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osd_register(OSD_THREAD, (destructor), NULL)
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#define osd_thread_deregister(slot) \
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osd_deregister(OSD_THREAD, (slot))
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#define osd_thread_set(td, slot, value) \
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osd_set(OSD_THREAD, &(td)->td_osd, (slot), (value))
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#define osd_thread_set_reserved(td, slot, rsv, value) \
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osd_set_reserved(OSD_THREAD, &(td)->td_osd, (slot), (rsv), (value))
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#define osd_thread_get(td, slot) \
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osd_get(OSD_THREAD, &(td)->td_osd, (slot))
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#define osd_thread_del(td, slot) do { \
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KASSERT((td) == curthread, ("Not curthread.")); \
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osd_del(OSD_THREAD, &(td)->td_osd, (slot)); \
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} while (0)
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#define osd_thread_call(td, method, data) \
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osd_call(OSD_THREAD, (method), (td), (data))
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#define osd_thread_exit(td) \
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osd_exit(OSD_THREAD, &(td)->td_osd)
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#define osd_jail_register(destructor, methods) \
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osd_register(OSD_JAIL, (destructor), (methods))
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#define osd_jail_deregister(slot) \
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osd_deregister(OSD_JAIL, (slot))
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#define osd_jail_set(pr, slot, value) \
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osd_set(OSD_JAIL, &(pr)->pr_osd, (slot), (value))
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#define osd_jail_set_reserved(pr, slot, rsv, value) \
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osd_set_reserved(OSD_JAIL, &(pr)->pr_osd, (slot), (rsv), (value))
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#define osd_jail_get(pr, slot) \
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osd_get(OSD_JAIL, &(pr)->pr_osd, (slot))
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#define osd_jail_del(pr, slot) \
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osd_del(OSD_JAIL, &(pr)->pr_osd, (slot))
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#define osd_jail_call(pr, method, data) \
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osd_call(OSD_JAIL, (method), (pr), (data))
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#define osd_jail_exit(pr) \
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osd_exit(OSD_JAIL, &(pr)->pr_osd)
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#endif /* _KERNEL */
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#endif /* !_SYS_OSD_H_ */
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