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/* $NetBSD: linux_sem.h,v 1.11 2021/09/23 06:56:27 ryo Exp $ */
/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden and Eric Haszlakiewicz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUX_SEM_H
#define _LINUX_SEM_H
#include <sys/sem.h>
/*
* Operations for semctl(2), in addition to IPC_STAT and IPC_SET
*/
#define LINUX_GETPID 11
#define LINUX_GETVAL 12
#define LINUX_GETALL 13
#define LINUX_GETNCNT 14
#define LINUX_GETZCNT 15
#define LINUX_SETVAL 16
#define LINUX_SETALL 17
/*
* Linux semid_ds structure. Internally used pointer fields are not
* important to us and have been changed to void *
*/
struct linux_semid_ds {
struct linux_ipc_perm l_sem_perm;
linux_time_t l_sem_otime;
linux_time_t l_sem_ctime;
void *l_sem_base;
void *l_eventn;
void *l_eventz;
void *l_undo;
ushort l_sem_nsems;
};
struct linux_semid64_ds {
struct linux_ipc64_perm l_sem_perm;
linux_time_t l_sem_otime;
unsigned long l___unused1;
linux_time_t l_sem_ctime;
unsigned long l___unused2;
unsigned long l_sem_nsems;
unsigned long l___unused3;
unsigned long l___unused4;
};
union linux_semun {
int l_val;
struct linux_semid_ds *l_buf;
ushort *l_array;
void *l___buf; /* For unsupported IPC_INFO */
void *l___pad;
};
/* Pretend the sys_semctl syscall is defined */
#if !defined(__aarch64__) && !defined(__amd64__)
struct linux_sys_semctl_args {
syscallarg(int) semid;
syscallarg(int) semnum;
syscallarg(int) cmd;
syscallarg(union linux_semun) arg;
};
int linux_sys_semctl(struct lwp *, const struct linux_sys_semctl_args *, register_t *);
#endif
#ifdef SYSVSEM
#ifdef _KERNEL
__BEGIN_DECLS
void bsd_to_linux_semid_ds(struct semid_ds *, struct linux_semid_ds *);
void bsd_to_linux_semid64_ds(struct semid_ds *, struct linux_semid64_ds *);
void linux_to_bsd_semid_ds(struct linux_semid_ds *, struct semid_ds *);
void linux_to_bsd_semid64_ds(struct linux_semid64_ds *, struct semid_ds *);
__END_DECLS
#endif /* !_KERNEL */
#endif /* !SYSVSEM */
#endif /* !_LINUX_SEM_H */
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