106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/* $NetBSD: rumpuser_int.h,v 1.11 2022/04/19 20:32:17 rillig Exp $ */
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/*
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* Copyright (c) 2008 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 <stdlib.h>
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#include <rump/rumpuser.h>
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#define seterror(value) do { if (error) *error = value;} while (0)
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extern struct rumpuser_hyperup rumpuser__hyp;
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static inline void
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rumpkern_unsched(int *nlocks, void *interlock)
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{
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rumpuser__hyp.hyp_backend_unschedule(0, nlocks, interlock);
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}
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static inline void
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rumpkern_sched(int nlocks, void *interlock)
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{
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rumpuser__hyp.hyp_backend_schedule(nlocks, interlock);
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}
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#define KLOCK_WRAP(a) \
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do { \
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int nlocks; \
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rumpkern_unsched(&nlocks, NULL); \
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a; \
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rumpkern_sched(nlocks, NULL); \
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} while (0)
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#define DOCALL(rvtype, call) \
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{ \
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rvtype rv; \
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rv = call; \
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if (rv == -1) \
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seterror(errno); \
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else \
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seterror(0); \
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return rv; \
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}
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#define DOCALL_KLOCK(rvtype, call) \
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{ \
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rvtype rv; \
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int nlocks; \
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rumpkern_unsched(&nlocks, NULL); \
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rv = call; \
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rumpkern_sched(nlocks, NULL); \
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if (rv == -1) \
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seterror(errno); \
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else \
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seterror(0); \
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return rv; \
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}
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void rumpuser__thrinit(void);
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#define NOFAIL(a) do {if (!(a)) abort();} while (0)
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#define NOFAIL_ERRNO(a) \
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do { \
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int fail_rv = (a); \
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if (fail_rv) { \
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printf("panic: rumpuser fatal failure %d (%s)\n", \
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fail_rv, strerror(fail_rv)); \
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abort(); \
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} \
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} while (0)
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int rumpuser__sig_rump2host(int);
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int rumpuser__errtrans(int);
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#ifdef __NetBSD__
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#define ET(_v_) return (_v_);
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#else
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#define ET(_v_) return (_v_) ? rumpuser__errtrans(_v_) : 0;
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#endif
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int rumpuser__random_init(void);
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