The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/linux_ipc64.h

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    1 /*-
    2  * Copyright (c) 2002 Maxim Sobolev <sobomax@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer
   10  *    in this position and unchanged.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  * 3. The name of the author may not be used to endorse or promote products
   15  *    derived from this software without specific prior written permission
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   27  *
   28  * $FreeBSD: releng/11.2/sys/compat/linux/linux_ipc64.h 316962 2017-04-15 15:11:23Z dchagin $
   29  */
   30 
   31 #ifndef _LINUX_IPC64_H_
   32 #define _LINUX_IPC64_H_
   33 
   34 /*
   35  * The generic ipc64_perm structure.
   36  * Note extra padding because this structure is passed back and forth
   37  * between kernel and user space.
   38  *
   39  * Pad space is left for:
   40  * - 32-bit mode_t on architectures that only had 16 bit
   41  * - 32-bit seq
   42  * - 2 miscellaneous 32-bit values
   43  */
   44 struct l_ipc64_perm
   45 {
   46         l_key_t         key;
   47         l_uid_t         uid;
   48         l_gid_t         gid;
   49         l_uid_t         cuid;
   50         l_gid_t         cgid;
   51         l_mode_t        mode;
   52                         /* pad if mode_t is ushort: */
   53         unsigned char   __pad1[sizeof(l_int) - sizeof(l_mode_t)];
   54         l_ushort        seq;
   55         l_ushort        __pad2;
   56         l_ulong         __unused1;
   57         l_ulong         __unused2;
   58 };
   59 
   60 /*
   61  * The generic msqid64_ds structure fro x86 architecture.
   62  * Note extra padding because this structure is passed back and forth
   63  * between kernel and user space.
   64  *
   65  * Pad space is left for:
   66  * - 64-bit time_t to solve y2038 problem
   67  * - 2 miscellaneous 32-bit values
   68  */
   69 
   70 struct l_msqid64_ds {
   71         struct l_ipc64_perm msg_perm;
   72         l_time_t        msg_stime;      /* last msgsnd time */
   73 #if !defined(__LP64__) || defined(COMPAT_LINUX32)
   74         l_ulong         __unused1;
   75 #endif
   76         l_time_t        msg_rtime;      /* last msgrcv time */
   77 #if !defined(__LP64__) || defined(COMPAT_LINUX32)
   78         l_ulong         __unused2;
   79 #endif
   80         l_time_t        msg_ctime;      /* last change time */
   81 #if !defined(__LP64__) || defined(COMPAT_LINUX32)
   82         l_ulong         __unused3;
   83 #endif
   84         l_ulong         msg_cbytes;     /* current number of bytes on queue */
   85         l_ulong         msg_qnum;       /* number of messages in queue */
   86         l_ulong         msg_qbytes;     /* max number of bytes on queue */
   87         l_pid_t         msg_lspid;      /* pid of last msgsnd */
   88         l_pid_t         msg_lrpid;      /* last receive pid */
   89         l_ulong         __unused4;
   90         l_ulong         __unused5;
   91 };
   92 
   93 /*
   94  * The generic semid64_ds structure for x86 architecture.
   95  * Note extra padding because this structure is passed back and forth
   96  * between kernel and user space.
   97  *
   98  * Pad space is left for:
   99  * - 64-bit time_t to solve y2038 problem
  100  * - 2 miscellaneous 32-bit values
  101  */
  102 
  103 struct l_semid64_ds {
  104         struct l_ipc64_perm sem_perm;   /* permissions */
  105         l_time_t        sem_otime;      /* last semop time */
  106         l_ulong         __unused1;
  107         l_time_t        sem_ctime;      /* last change time */
  108         l_ulong         __unused2;
  109         l_ulong         sem_nsems;      /* no. of semaphores in array */
  110         l_ulong         __unused3;
  111         l_ulong         __unused4;
  112 };
  113 
  114 /*
  115  * The generic shmid64_ds structure for x86 architecture.
  116  * Note extra padding because this structure is passed back and forth
  117  * between kernel and user space.
  118  *
  119  * Pad space is left for:
  120  * - 64-bit time_t to solve y2038 problem
  121  * - 2 miscellaneous 32-bit values
  122  */
  123 
  124 struct l_shmid64_ds {
  125         struct l_ipc64_perm shm_perm;   /* operation perms */
  126         l_size_t        shm_segsz;      /* size of segment (bytes) */
  127         l_time_t        shm_atime;      /* last attach time */
  128 #if !defined(__LP64__) || defined(COMPAT_LINUX32)
  129         l_ulong         __unused1;
  130 #endif
  131         l_time_t        shm_dtime;      /* last detach time */
  132 #if !defined(__LP64__) || defined(COMPAT_LINUX32)
  133         l_ulong         __unused2;
  134 #endif
  135         l_time_t        shm_ctime;      /* last change time */
  136 #if !defined(__LP64__) || defined(COMPAT_LINUX32)
  137         l_ulong         __unused3;
  138 #endif
  139         l_pid_t         shm_cpid;       /* pid of creator */
  140         l_pid_t         shm_lpid;       /* pid of last operator */
  141         l_ulong         shm_nattch;     /* no. of current attaches */
  142         l_ulong         __unused4;
  143         l_ulong         __unused5;
  144 };
  145 
  146 struct l_shminfo64 {
  147         l_ulong         shmmax;
  148         l_ulong         shmmin;
  149         l_ulong         shmmni;
  150         l_ulong         shmseg;
  151         l_ulong         shmall;
  152         l_ulong         __unused1;
  153         l_ulong         __unused2;
  154         l_ulong         __unused3;
  155         l_ulong         __unused4;
  156 };
  157 
  158 #endif /* !LINUX_IPC64_H_ */

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