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Alex Rønne Petersen
72 lines
2.5 KiB
C
Vendored
72 lines
2.5 KiB
C
Vendored
/* $NetBSD: syncobj.h,v 1.18 2023/10/15 10:27:11 riastradh Exp $ */
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/*-
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* Copyright (c) 2007, 2008, 2020, 2023 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Andrew Doran.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if !defined(_SYS_SYNCOBJ_H_)
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#define _SYS_SYNCOBJ_H_
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#include <sys/wchan.h>
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struct lwp;
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#if defined(_KERNEL) || defined(_KMEMUSER)
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/*
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* Synchronisation object operations set.
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*/
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typedef struct syncobj {
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char sobj_name[16];
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u_int sobj_flag;
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int sobj_boostpri;
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void (*sobj_unsleep)(struct lwp *, bool);
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void (*sobj_changepri)(struct lwp *, pri_t);
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void (*sobj_lendpri)(struct lwp *, pri_t);
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struct lwp *(*sobj_owner)(wchan_t);
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} const syncobj_t;
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struct lwp *syncobj_noowner(wchan_t);
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#define SOBJ_SLEEPQ_SORTED 0x01
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#define SOBJ_SLEEPQ_LIFO 0x04
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#define SOBJ_SLEEPQ_NULL 0x08
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extern syncobj_t callout_syncobj;
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extern syncobj_t cv_syncobj;
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extern syncobj_t kpause_syncobj;
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extern syncobj_t lwp_park_syncobj;
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extern syncobj_t mutex_syncobj;
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extern syncobj_t rw_syncobj;
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extern syncobj_t sched_syncobj;
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extern syncobj_t select_syncobj;
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extern syncobj_t sleep_syncobj;
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#endif /* defined(_KERNEL) */
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#endif /* !_SYS_SYNCOBJ_H_ */ |