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/emulation/linux/linux_ipc.h

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    1 /*-
    2  * Copyright (c) 2000 Marcel Moolenaar
    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: src/sys/compat/linux/linux_ipc.h,v 1.2.2.4 2001/11/05 19:08:22 marcel Exp $
   29  * $DragonFly: src/sys/emulation/linux/linux_ipc.h,v 1.7 2003/11/20 06:05:29 dillon Exp $
   30  */
   31 
   32 #ifndef _LINUX_IPC_H_
   33 #define _LINUX_IPC_H_
   34 
   35 #ifdef __i386__
   36 
   37 
   38 struct l_msginfo {
   39         l_int msgpool;
   40         l_int msgmap;
   41         l_int msgmax;
   42         l_int msgmnb;
   43         l_int msgmni;
   44         l_int msgssz;
   45         l_int msgtql;
   46         l_ushort msgseg;
   47 };
   48 
   49 struct linux_msgctl_args 
   50 {
   51         struct sysmsg   sysmsg;
   52         l_int           msqid;
   53         l_int           cmd;
   54         struct l_msqid_ds *buf;
   55 };
   56 
   57 struct linux_msgget_args
   58 {
   59         struct sysmsg   sysmsg;
   60         l_key_t         key;
   61         l_int           msgflg;
   62 };
   63 
   64 struct linux_msgrcv_args
   65 {
   66         struct sysmsg   sysmsg;
   67         l_int           msqid;
   68         struct l_msgbuf *msgp;
   69         l_size_t        msgsz;
   70         l_long          msgtyp;
   71         l_int           msgflg;
   72 };
   73 
   74 struct linux_msgsnd_args
   75 {
   76         struct sysmsg   sysmsg;
   77         l_int           msqid;
   78         struct l_msgbuf *msgp;
   79         l_size_t        msgsz;
   80         l_int           msgflg;
   81 };
   82 
   83 struct linux_semctl_args
   84 {
   85         struct sysmsg   sysmsg;
   86         l_int           semid;
   87         l_int           semnum;
   88         l_int           cmd;
   89         union l_semun   arg;
   90 };
   91 
   92 struct linux_semget_args
   93 {
   94         struct sysmsg   sysmsg;
   95         l_key_t         key;
   96         l_int           nsems;
   97         l_int           semflg;
   98 };
   99 
  100 struct linux_semop_args
  101 {
  102         struct sysmsg   sysmsg;
  103         l_int           semid;
  104         struct l_sembuf *tsops;
  105         l_uint          nsops;
  106 };
  107 
  108 struct linux_shmat_args
  109 {
  110         struct sysmsg   sysmsg;
  111         l_int           shmid;
  112         char            *shmaddr;
  113         l_int           shmflg;
  114         l_ulong         *raddr;
  115 };
  116 
  117 struct linux_shmctl_args
  118 {
  119         struct sysmsg   sysmsg;
  120         l_int           shmid;
  121         l_int           cmd;
  122         struct l_shmid_ds *buf;
  123 };
  124 
  125 struct linux_shmdt_args
  126 {
  127         struct sysmsg   sysmsg;
  128         char *shmaddr;
  129 };
  130 
  131 struct linux_shmget_args
  132 {
  133         struct sysmsg   sysmsg;
  134         l_key_t         key;
  135         l_size_t        size;
  136         l_int           shmflg;
  137 };
  138 
  139 
  140 
  141 struct l_seminfo {
  142         l_int semmap;
  143         l_int semmni;
  144         l_int semmns;
  145         l_int semmnu;
  146         l_int semmsl;
  147         l_int semopm;
  148         l_int semume;
  149         l_int semusz;
  150         l_int semvmx;
  151         l_int semaem;
  152 };
  153 
  154 
  155 struct l_shminfo {
  156         l_int shmmax;
  157         l_int shmmin;
  158         l_int shmmni;
  159         l_int shmseg;
  160         l_int shmall;
  161 };
  162 
  163 struct l_shm_info {
  164         l_int used_ids;
  165         l_ulong shm_tot;  /* total allocated shm */
  166         l_ulong shm_rss;  /* total resident shm */
  167         l_ulong shm_swp;  /* total swapped shm */
  168         l_ulong swap_attempts;
  169         l_ulong swap_successes;
  170 };
  171 
  172 
  173 struct l_ipc64_perm
  174 {
  175         l_key_t         key;
  176         l_uid_t         uid;
  177         l_gid_t         gid;
  178         l_uid_t         cuid;
  179         l_gid_t         cgid;
  180         l_mode_t        mode;
  181         l_ushort        __pad1;
  182         l_ushort        seq;
  183         l_ushort        __pad2;
  184         l_ulong         __unused1;
  185         l_ulong         __unused2;
  186 };
  187 
  188 /*
  189  * The msqid64_ds structure for i386 architecture.
  190  * Note extra padding because this structure is passed back and forth
  191  * between kernel and user space.
  192  *
  193  * Pad space is left for:
  194  * - 64-bit time_t to solve y2038 problem
  195  * - 2 miscellaneous 32-bit values
  196  */
  197 
  198 struct l_msqid64_ds {
  199         struct l_ipc64_perm msg_perm;
  200         l_time_t        msg_stime;      /* last msgsnd time */
  201         l_ulong         __unused1;
  202         l_time_t        msg_rtime;      /* last msgrcv time */
  203         l_ulong         __unused2;
  204         l_time_t        msg_ctime;      /* last change time */
  205         l_ulong         __unused3;
  206         l_ulong         msg_cbytes;     /* current number of bytes on queue */
  207         l_ulong         msg_qnum;       /* number of messages in queue */
  208         l_ulong         msg_qbytes;     /* max number of bytes on queue */
  209         l_pid_t         msg_lspid;      /* pid of last msgsnd */
  210         l_pid_t         msg_lrpid;      /* last receive pid */
  211         l_ulong         __unused4;
  212         l_ulong         __unused5;
  213 };
  214 
  215 /*
  216  * The semid64_ds structure for i386 architecture.
  217  * Note extra padding because this structure is passed back and forth
  218  * between kernel and user space.
  219  *
  220  * Pad space is left for:
  221  * - 64-bit time_t to solve y2038 problem
  222  * - 2 miscellaneous 32-bit values
  223  */
  224 
  225 struct l_semid64_ds {
  226         struct l_ipc64_perm sem_perm;   /* permissions */
  227         l_time_t        sem_otime;      /* last semop time */
  228         l_ulong         __unused1;
  229         l_time_t        sem_ctime;      /* last change time */
  230         l_ulong         __unused2;
  231         l_ulong         sem_nsems;      /* no. of semaphores in array */
  232         l_ulong         __unused3;
  233         l_ulong         __unused4;
  234 };
  235 
  236 /*
  237  * The shmid64_ds structure for i386 architecture.
  238  * Note extra padding because this structure is passed back and forth
  239  * between kernel and user space.
  240  *
  241  * Pad space is left for:
  242  * - 64-bit time_t to solve y2038 problem
  243  * - 2 miscellaneous 32-bit values
  244  */
  245 
  246 struct l_shmid64_ds {
  247         struct l_ipc64_perm shm_perm;   /* operation perms */
  248         l_size_t        shm_segsz;      /* size of segment (bytes) */
  249         l_time_t        shm_atime;      /* last attach time */
  250         l_ulong         __unused1;
  251         l_time_t        shm_dtime;      /* last detach time */
  252         l_ulong         __unused2;
  253         l_time_t        shm_ctime;      /* last change time */
  254         l_ulong         __unused3;
  255         l_pid_t         shm_cpid;       /* pid of creator */
  256         l_pid_t         shm_lpid;       /* pid of last operator */
  257         l_ulong         shm_nattch;     /* no. of current attaches */
  258         l_ulong         __unused4;
  259         l_ulong         __unused5;
  260 };
  261 
  262 struct l_shminfo64 {
  263         l_ulong         shmmax;
  264         l_ulong         shmmin;
  265         l_ulong         shmmni;
  266         l_ulong         shmseg;
  267         l_ulong         shmall;
  268         l_ulong         __unused1;
  269         l_ulong         __unused2;
  270         l_ulong         __unused3;
  271         l_ulong         __unused4;
  272 };
  273 
  274 
  275 struct l_ipc_perm {
  276         l_key_t         key;
  277         l_uid16_t       uid;
  278         l_gid16_t       gid;
  279         l_uid16_t       cuid;
  280         l_gid16_t       cgid;
  281         l_ushort        mode;
  282         l_ushort        seq;
  283 };
  284 
  285 struct l_msqid_ds {
  286         struct l_ipc_perm       msg_perm;
  287         l_uintptr_t             msg_first;      /* first message on queue,unused */
  288         l_uintptr_t             msg_last;       /* last message in queue,unused */
  289         l_time_t                msg_stime;      /* last msgsnd time */
  290         l_time_t                msg_rtime;      /* last msgrcv time */
  291         l_time_t                msg_ctime;      /* last change time */
  292         l_ulong                 msg_lcbytes;    /* Reuse junk fields for 32 bit */
  293         l_ulong                 msg_lqbytes;    /* ditto */
  294         l_ushort                msg_cbytes;     /* current number of bytes on queue */
  295         l_ushort                msg_qnum;       /* number of messages in queue */
  296         l_ushort                msg_qbytes;     /* max number of bytes on queue */
  297         l_pid_t                 msg_lspid;      /* pid of last msgsnd */
  298         l_pid_t                 msg_lrpid;      /* last receive pid */
  299 };
  300 
  301 struct l_semid_ds {
  302         struct l_ipc_perm       sem_perm;
  303         l_time_t                sem_otime;
  304         l_time_t                sem_ctime;
  305         void                    *sem_base;
  306         void                    *sem_pending;
  307         void                    *sem_pending_last;
  308         void                    *undo;
  309         l_ushort                sem_nsems;
  310 };
  311 
  312 struct l_shmid_ds {
  313         struct l_ipc_perm       shm_perm;
  314         l_int                   shm_segsz;
  315         l_time_t                shm_atime;
  316         l_time_t                shm_dtime;
  317         l_time_t                shm_ctime;
  318         l_ushort                shm_cpid;
  319         l_ushort                shm_lpid;
  320         l_short                 shm_nattch;
  321         l_ushort                private1;
  322         void                    *private2;
  323         void                    *private3;
  324 };
  325 
  326 int linux_msgctl (struct linux_msgctl_args *);
  327 int linux_msgget (struct linux_msgget_args *);
  328 int linux_msgrcv (struct linux_msgrcv_args *);
  329 int linux_msgsnd (struct linux_msgsnd_args *);
  330 
  331 int linux_semctl (struct linux_semctl_args *);
  332 int linux_semget (struct linux_semget_args *);
  333 int linux_semop  (struct linux_semop_args *);
  334 
  335 int linux_shmat  (struct linux_shmat_args *);
  336 int linux_shmctl (struct linux_shmctl_args *);
  337 int linux_shmdt  (struct linux_shmdt_args *);
  338 int linux_shmget (struct linux_shmget_args *);
  339 #define LINUX_MSG_INFO  12
  340 #define LINUX_IPC_64    0x0100  /* New version (support 32-bit UIDs, bigger */
  341 #endif  /* __i386__ */
  342 
  343 #endif /* _LINUX_IPC_H_ */

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