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linux_sem.h revision 1.11
      1  1.11       ryo /*	$NetBSD: linux_sem.h,v 1.11 2021/09/23 06:56:27 ryo Exp $	*/
      2   1.2       erh 
      3   1.2       erh /*-
      4   1.4      fvdl  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      5   1.2       erh  * All rights reserved.
      6   1.2       erh  *
      7   1.2       erh  * This code is derived from software contributed to The NetBSD Foundation
      8   1.4      fvdl  * by Frank van der Linden and Eric Haszlakiewicz.
      9   1.2       erh  *
     10   1.2       erh  * Redistribution and use in source and binary forms, with or without
     11   1.2       erh  * modification, are permitted provided that the following conditions
     12   1.2       erh  * are met:
     13   1.2       erh  * 1. Redistributions of source code must retain the above copyright
     14   1.2       erh  *    notice, this list of conditions and the following disclaimer.
     15   1.2       erh  * 2. Redistributions in binary form must reproduce the above copyright
     16   1.2       erh  *    notice, this list of conditions and the following disclaimer in the
     17   1.2       erh  *    documentation and/or other materials provided with the distribution.
     18   1.2       erh  *
     19   1.2       erh  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20   1.2       erh  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21   1.2       erh  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22   1.2       erh  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23   1.2       erh  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24   1.2       erh  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25   1.2       erh  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26   1.2       erh  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27   1.2       erh  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28   1.2       erh  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29   1.2       erh  * POSSIBILITY OF SUCH DAMAGE.
     30   1.1      fvdl  */
     31   1.1      fvdl 
     32   1.3  christos #ifndef _LINUX_SEM_H
     33   1.3  christos #define _LINUX_SEM_H
     34   1.2       erh 
     35   1.2       erh #include <sys/sem.h>
     36   1.1      fvdl 
     37   1.1      fvdl /*
     38   1.1      fvdl  * Operations for semctl(2), in addition to IPC_STAT and IPC_SET
     39   1.1      fvdl  */
     40   1.1      fvdl #define LINUX_GETPID  11
     41   1.1      fvdl #define LINUX_GETVAL  12
     42   1.1      fvdl #define LINUX_GETALL  13
     43   1.1      fvdl #define LINUX_GETNCNT 14
     44   1.1      fvdl #define LINUX_GETZCNT 15
     45   1.1      fvdl #define LINUX_SETVAL  16
     46   1.1      fvdl #define LINUX_SETALL  17
     47   1.1      fvdl 
     48   1.1      fvdl /*
     49   1.1      fvdl  * Linux semid_ds structure. Internally used pointer fields are not
     50   1.1      fvdl  * important to us and have been changed to void *
     51   1.1      fvdl  */
     52   1.1      fvdl 
     53   1.1      fvdl struct linux_semid_ds {
     54   1.1      fvdl 	struct linux_ipc_perm	 l_sem_perm;
     55   1.1      fvdl 	linux_time_t		 l_sem_otime;
     56   1.1      fvdl 	linux_time_t		 l_sem_ctime;
     57   1.1      fvdl 	void 			*l_sem_base;
     58   1.1      fvdl 	void			*l_eventn;
     59   1.1      fvdl 	void			*l_eventz;
     60   1.1      fvdl 	void			*l_undo;
     61   1.1      fvdl 	ushort			 l_sem_nsems;
     62   1.1      fvdl };
     63   1.1      fvdl 
     64   1.9     njoly struct linux_semid64_ds {
     65   1.9     njoly 	struct linux_ipc64_perm	 l_sem_perm;
     66   1.9     njoly 	linux_time_t		 l_sem_otime;
     67   1.9     njoly 	unsigned long		 l___unused1;
     68   1.9     njoly 	linux_time_t		 l_sem_ctime;
     69   1.9     njoly 	unsigned long		 l___unused2;
     70   1.9     njoly 	unsigned long		 l_sem_nsems;
     71   1.9     njoly 	unsigned long		 l___unused3;
     72   1.9     njoly 	unsigned long		 l___unused4;
     73   1.9     njoly };
     74   1.9     njoly 
     75   1.1      fvdl union linux_semun {
     76   1.1      fvdl 	int			 l_val;
     77   1.1      fvdl 	struct linux_semid_ds	*l_buf;
     78   1.1      fvdl 	ushort			*l_array;
     79   1.1      fvdl 	void			*l___buf;	/* For unsupported IPC_INFO */
     80   1.1      fvdl 	void			*l___pad;
     81   1.1      fvdl };
     82   1.1      fvdl 
     83   1.2       erh /* Pretend the sys_semctl syscall is defined */
     84  1.11       ryo #if !defined(__aarch64__) && !defined(__amd64__)
     85   1.2       erh struct linux_sys_semctl_args {
     86   1.2       erh 	syscallarg(int) semid;
     87   1.2       erh 	syscallarg(int) semnum;
     88   1.2       erh 	syscallarg(int) cmd;
     89   1.2       erh 	syscallarg(union linux_semun) arg;
     90   1.2       erh };
     91   1.8       dsl int linux_sys_semctl(struct lwp *, const struct linux_sys_semctl_args *, register_t *);
     92   1.6      manu #endif
     93   1.2       erh 
     94   1.2       erh 
     95   1.2       erh #ifdef SYSVSEM
     96   1.2       erh #ifdef _KERNEL
     97   1.2       erh __BEGIN_DECLS
     98   1.8       dsl void bsd_to_linux_semid_ds(struct semid_ds *, struct linux_semid_ds *);
     99   1.9     njoly void bsd_to_linux_semid64_ds(struct semid_ds *, struct linux_semid64_ds *);
    100   1.8       dsl void linux_to_bsd_semid_ds(struct linux_semid_ds *, struct semid_ds *);
    101   1.9     njoly void linux_to_bsd_semid64_ds(struct linux_semid64_ds *, struct semid_ds *);
    102   1.2       erh __END_DECLS
    103   1.2       erh #endif	/* !_KERNEL */
    104   1.2       erh #endif	/* !SYSVSEM */
    105   1.2       erh 
    106   1.3  christos #endif /* !_LINUX_SEM_H */
    107