84d9c625bf
- Fix for possible unset uid/gid in toproto
- Fix for default mtree style
- Update libelf
- Importing libexecinfo
- Resynchronize GCC, mpc, gmp, mpfr
- build.sh: Replace params with show-params.
This has been done as the make target has been renamed in the same
way, while a new target named params has been added. This new
target generates a file containing all the parameters, instead of
printing it on the console.
- Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org)
get getservbyport() out of the inner loop
Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/* $NetBSD: pcu.h,v 1.11 2013/08/22 19:50:55 drochner Exp $ */
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/*-
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* Copyright (c) 2011 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 Mindaugas Rasiukevicius.
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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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#ifndef _SYS_PCU_H_
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#define _SYS_PCU_H_
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#if !defined(_KERNEL) && !defined(_KMEMUSER)
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#error "not supposed to be exposed to userland"
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#endif
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#ifndef _KERNEL
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#include <stdbool.h>
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#endif
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/*
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* Default: no PCU for MD.
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*/
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#ifndef PCU_UNIT_COUNT
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#define PCU_UNIT_COUNT 0
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#endif
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#if PCU_UNIT_COUNT > 0
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/*
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* pcu_state_save(lwp, flags)
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* save the current CPU's state into the given LWP's MD storage.
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*
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* pcu_state_load(lwp, flags)
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* load PCU state from the given LWP's MD storage to the current CPU.
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* the 'flags' argument contains PCU_LOADED if it isn't the first time
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* the LWP has used the PCU.
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*
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* pcu_state_release(lwp, flags)
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* tell MD code detect the next use of the PCU on the LWP, and call
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* pcu_load().
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*/
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typedef struct {
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u_int pcu_id;
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void (*pcu_state_save)(lwp_t *, u_int);
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void (*pcu_state_load)(lwp_t *, u_int);
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void (*pcu_state_release)(lwp_t *, u_int);
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} pcu_ops_t;
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#define PCU_USER 0x00 /* PCU state is for the user */
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#define PCU_KERNEL 0x01 /* PCU state is for the kernel */
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#define PCU_RELOAD 0x02 /* Load registers into the PCU, */
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#define PCU_ENABLE 0x04 /* Enable the PCU, */
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#define PCU_LOADED 0x08 /* LWP has used the PCU before, */
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void pcu_switchpoint(lwp_t *);
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void pcu_discard_all(lwp_t *);
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void pcu_save_all(lwp_t *);
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void pcu_load(const pcu_ops_t *);
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void pcu_save(const pcu_ops_t *);
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void pcu_save_all_on_cpu(void);
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void pcu_discard(const pcu_ops_t *, bool);
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void pcu_kernel_acquire(const pcu_ops_t *);
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void pcu_kernel_release(const pcu_ops_t *);
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bool pcu_used_p(const pcu_ops_t *);
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#else
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#define pcu_switchpoint(l)
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#define pcu_discard_all(l)
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#define pcu_save_all(l)
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#endif
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#endif
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