109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/* $NetBSD: rumpuser_component.c,v 1.6 2013/05/07 15:18:35 pooka Exp $ */
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/*
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* Copyright (c) 2013 Antti Kantee. 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 AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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 OR
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* 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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#include "rumpuser_port.h"
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#if !defined(lint)
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__RCSID("$NetBSD: rumpuser_component.c,v 1.6 2013/05/07 15:18:35 pooka Exp $");
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#endif /* !lint */
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#include <stdint.h>
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/*
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* These interfaces affect the shlib major/minor; they can be called from
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* any program when applicable. The rest of the interfaces provided
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* by rumpuser are part of the rump kernel/hypervisor contract and
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* are versioned by RUMPUSER_VERSION.
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*/
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#include <rump/rumpuser_component.h>
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#include "rumpuser_int.h"
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void *
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rumpuser_component_unschedule(void)
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{
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int nlocks;
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rumpkern_unsched(&nlocks, NULL);
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return (void *)(intptr_t)nlocks;
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}
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void
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rumpuser_component_schedule(void *cookie)
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{
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int nlocks = (int)(intptr_t)cookie;
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rumpkern_sched(nlocks, NULL);
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}
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void
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rumpuser_component_kthread(void)
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{
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rumpuser__hyp.hyp_schedule();
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rumpuser__hyp.hyp_lwproc_newlwp(0);
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rumpuser__hyp.hyp_unschedule();
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}
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struct lwp *
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rumpuser_component_curlwp(void)
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{
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struct lwp *l;
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rumpuser__hyp.hyp_schedule();
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l = rumpuser__hyp.hyp_lwproc_curlwp();
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rumpuser__hyp.hyp_unschedule();
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return l;
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}
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void
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rumpuser_component_switchlwp(struct lwp *l)
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{
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rumpuser__hyp.hyp_schedule();
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rumpuser__hyp.hyp_lwproc_switch(l);
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rumpuser__hyp.hyp_unschedule();
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}
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void
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rumpuser_component_kthread_release(void)
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{
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rumpuser__hyp.hyp_schedule();
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rumpuser__hyp.hyp_lwproc_release();
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rumpuser__hyp.hyp_unschedule();
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}
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int
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rumpuser_component_errtrans(int hosterr)
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{
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return rumpuser__errtrans(hosterr);
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}
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