2fe8fb192f
There is important information about booting non-ack images in docs/UPDATING. ack/aout-format images can't be built any more, and booting clang/ELF-format ones is a little different. Updating to the new boot monitor is recommended. Changes in this commit: . drop boot monitor -> allowing dropping ack support . facility to copy ELF boot files to /boot so that old boot monitor can still boot fairly easily, see UPDATING . no more ack-format libraries -> single-case libraries . some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases . drop several ack toolchain commands, but not all support commands (e.g. aal is gone but acksize is not yet). . a few libc files moved to netbsd libc dir . new /bin/date as minix date used code in libc/ . test compile fix . harmonize includes . /usr/lib is no longer special: without ack, /usr/lib plays no kind of special bootstrapping role any more and bootstrapping is done exclusively through packages, so releases depend even less on the state of the machine making them now. . rename nbsd_lib* to lib* . reduce mtree
121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/* $NetBSD: sem.h,v 1.29 2009/01/19 19:39:41 christos Exp $ */
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/*-
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* Copyright (c) 1999 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 Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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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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/*
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* SVID compatible sem.h file
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*
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* Author: Daniel Boulet
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*/
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#ifndef _SYS_SEM_H_
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#define _SYS_SEM_H_
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#include <sys/featuretest.h>
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#include <sys/ipc.h>
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struct semid_ds {
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struct ipc_perm sem_perm; /* operation permission struct */
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time_t sem_otime; /* last semop() time */
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unsigned long int __unused1;
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time_t sem_ctime; /* last time changed by semctl() */
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unsigned long int __unused2;
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unsigned long int sem_nsems; /* number of semaphores in set */
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unsigned long int __unused3;
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unsigned long int __unused4;
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};
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/*
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* semop's sops parameter structure
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*/
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struct sembuf {
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unsigned short sem_num; /* semaphore # */
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short sem_op; /* semaphore operation */
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short sem_flg; /* operation flags */
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};
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#define SEM_UNDO 0x1000 /* undo changes on process exit */
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/*
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* commands for semctl
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*/
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#define GETPID 11 /* get sempid */
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#define GETVAL 12 /* get semval */
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#define GETALL 13 /* get all semval's */
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#define GETNCNT 14 /* get semncnt */
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#define GETZCNT 15 /* get semzcnt */
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#define SETVAL 16 /* set semval */
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#define SETALL 17 /* set all semval's */
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#ifdef __USE_MISC
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/* ipcs ctl cmds */
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# define SEM_STAT 18
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# define SEM_INFO 19
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/*
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* semaphore info struct
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*/
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struct seminfo {
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int32_t semmap; /* # of entries in semaphore map */
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int32_t semmni; /* # of semaphore identifiers */
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int32_t semmns; /* # of semaphores in system */
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int32_t semmnu; /* # of undo structures in system */
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int32_t semmsl; /* max # of semaphores per id */
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int32_t semopm; /* max # of operations per semop call */
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int32_t semume; /* max # of undo entries per process */
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int32_t semusz; /* size in bytes of undo structure */
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int32_t semvmx; /* semaphore maximum value */
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int32_t semaem; /* adjust on exit max value */
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};
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#endif /* __USE_MISC */
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/*
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* Configuration parameters
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*/
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#define SEMMNI 128
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#define SEMMSL 250
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#define SEMMNS (SEMMSL*SEMMNI)
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#define SEMOPM 32
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#define SEMVMX 32767
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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int semctl(int, int, int, ...);
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int semget(key_t, int, int);
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int semop(int, struct sembuf *, size_t);
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__END_DECLS
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#endif /* !_SYS_SEM_H_ */
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