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freebsd_ipc.c revision 1.11
      1  1.11   thorpej /*	$NetBSD: freebsd_ipc.c,v 1.11 2003/01/18 07:33:16 thorpej Exp $	*/
      2   1.1   mycroft 
      3   1.1   mycroft /*
      4   1.3   mycroft  * Copyright (c) 1994 Adam Glass and Charles M. Hannum.  All rights reserved.
      5   1.1   mycroft  *
      6   1.1   mycroft  * Redistribution and use in source and binary forms, with or without
      7   1.1   mycroft  * modification, are permitted provided that the following conditions
      8   1.1   mycroft  * are met:
      9   1.1   mycroft  * 1. Redistributions of source code must retain the above copyright
     10   1.1   mycroft  *    notice, this list of conditions and the following disclaimer.
     11   1.1   mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     12   1.1   mycroft  *    notice, this list of conditions and the following disclaimer in the
     13   1.1   mycroft  *    documentation and/or other materials provided with the distribution.
     14   1.1   mycroft  * 3. All advertising materials mentioning features or use of this software
     15   1.1   mycroft  *    must display the following acknowledgement:
     16   1.3   mycroft  *	This product includes software developed by Adam Glass and Charles M.
     17   1.1   mycroft  *	Hannum.
     18   1.1   mycroft  * 4. The names of the authors may not be used to endorse or promote products
     19   1.1   mycroft  *    derived from this software without specific prior written permission.
     20   1.1   mycroft  *
     21   1.1   mycroft  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
     22   1.1   mycroft  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23   1.1   mycroft  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24   1.1   mycroft  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     25   1.1   mycroft  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26   1.1   mycroft  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27   1.1   mycroft  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28   1.1   mycroft  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29   1.1   mycroft  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30   1.1   mycroft  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31   1.1   mycroft  */
     32  1.10     lukem 
     33  1.10     lukem #include <sys/cdefs.h>
     34  1.11   thorpej __KERNEL_RCSID(0, "$NetBSD: freebsd_ipc.c,v 1.11 2003/01/18 07:33:16 thorpej Exp $");
     35   1.4      tron 
     36   1.9       mrg #if defined(_KERNEL_OPT)
     37   1.4      tron #include "opt_sysv.h"
     38   1.8  jdolecek #endif
     39   1.1   mycroft 
     40   1.1   mycroft #include <sys/param.h>
     41   1.1   mycroft #include <sys/systm.h>
     42   1.1   mycroft #include <sys/kernel.h>
     43   1.1   mycroft #include <sys/proc.h>
     44   1.1   mycroft #include <sys/sem.h>
     45   1.1   mycroft #include <sys/malloc.h>
     46   1.1   mycroft 
     47   1.1   mycroft #include <sys/mount.h>
     48  1.11   thorpej #include <sys/sa.h>
     49   1.1   mycroft #include <sys/syscallargs.h>
     50   1.1   mycroft 
     51   1.1   mycroft #include <compat/freebsd/freebsd_syscallargs.h>
     52   1.1   mycroft 
     53   1.1   mycroft #ifdef SYSVSEM
     54   1.1   mycroft int
     55  1.11   thorpej freebsd_sys_semsys(l, v, retval)
     56  1.11   thorpej 	struct lwp *l;
     57   1.1   mycroft 	void *v;
     58   1.1   mycroft 	register_t *retval;
     59   1.1   mycroft {
     60   1.1   mycroft 	struct freebsd_sys_semsys_args /* {
     61   1.1   mycroft 		syscallarg(int) which;
     62   1.1   mycroft 		syscallarg(int) a2;
     63   1.1   mycroft 		syscallarg(int) a3;
     64   1.1   mycroft 		syscallarg(int) a4;
     65   1.1   mycroft 		syscallarg(int) a5;
     66   1.1   mycroft 	} */ *uap = v;
     67   1.5   thorpej 	struct compat_14_sys___semctl_args /* {
     68   1.1   mycroft 		syscallarg(int) semid;
     69   1.1   mycroft 		syscallarg(int) semnum;
     70   1.1   mycroft 		syscallarg(int) cmd;
     71   1.5   thorpej 		syscallarg(union __semun *) arg;
     72   1.1   mycroft 	} */ __semctl_args;
     73   1.1   mycroft 	struct sys_semget_args /* {
     74   1.1   mycroft 		syscallarg(key_t) key;
     75   1.1   mycroft 		syscallarg(int) nsems;
     76   1.1   mycroft 		syscallarg(int) semflg;
     77   1.1   mycroft 	} */ semget_args;
     78   1.1   mycroft 	struct sys_semop_args /* {
     79   1.1   mycroft 		syscallarg(int) semid;
     80   1.1   mycroft 		syscallarg(struct sembuf *) sops;
     81   1.1   mycroft 		syscallarg(u_int) nsops;
     82   1.1   mycroft 	} */ semop_args;
     83   1.1   mycroft 	struct sys_semconfig_args /* {
     84   1.1   mycroft 		syscallarg(int) flag;
     85   1.1   mycroft 	} */ semconfig_args;
     86   1.1   mycroft 
     87   1.1   mycroft 	switch (SCARG(uap, which)) {
     88   1.1   mycroft 	case 0:						/* __semctl() */
     89   1.1   mycroft 		SCARG(&__semctl_args, semid) = SCARG(uap, a2);
     90   1.1   mycroft 		SCARG(&__semctl_args, semnum) = SCARG(uap, a3);
     91   1.1   mycroft 		SCARG(&__semctl_args, cmd) = SCARG(uap, a4);
     92   1.5   thorpej 		SCARG(&__semctl_args, arg) = (union __semun *)SCARG(uap, a5);
     93  1.11   thorpej 		return (compat_14_sys___semctl(l, &__semctl_args, retval));
     94   1.1   mycroft 
     95   1.1   mycroft 	case 1:						/* semget() */
     96   1.1   mycroft 		SCARG(&semget_args, key) = SCARG(uap, a2);
     97   1.1   mycroft 		SCARG(&semget_args, nsems) = SCARG(uap, a3);
     98   1.1   mycroft 		SCARG(&semget_args, semflg) = SCARG(uap, a4);
     99  1.11   thorpej 		return (sys_semget(l, &semget_args, retval));
    100   1.1   mycroft 
    101   1.1   mycroft 	case 2:						/* semop() */
    102   1.1   mycroft 		SCARG(&semop_args, semid) = SCARG(uap, a2);
    103   1.1   mycroft 		SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3);
    104   1.1   mycroft 		SCARG(&semop_args, nsops) = SCARG(uap, a4);
    105  1.11   thorpej 		return (sys_semop(l, &semop_args, retval));
    106   1.1   mycroft 
    107   1.1   mycroft 	case 3:						/* semconfig() */
    108   1.1   mycroft 		SCARG(&semconfig_args, flag) = SCARG(uap, a2);
    109  1.11   thorpej 		return (sys_semconfig(l, &semconfig_args, retval));
    110   1.1   mycroft 
    111   1.1   mycroft 	default:
    112   1.1   mycroft 		return (EINVAL);
    113   1.1   mycroft 	}
    114   1.1   mycroft }
    115   1.1   mycroft #endif
    116   1.1   mycroft 
    117   1.1   mycroft #ifdef SYSVSHM
    118   1.1   mycroft int
    119  1.11   thorpej freebsd_sys_shmsys(l, v, retval)
    120  1.11   thorpej 	struct lwp *l;
    121   1.1   mycroft 	void *v;
    122   1.1   mycroft 	register_t *retval;
    123   1.1   mycroft {
    124   1.1   mycroft 	struct freebsd_sys_shmsys_args /* {
    125   1.1   mycroft 		syscallarg(int) which;
    126   1.1   mycroft 		syscallarg(int) a2;
    127   1.1   mycroft 		syscallarg(int) a3;
    128   1.1   mycroft 		syscallarg(int) a4;
    129   1.1   mycroft 	} */ *uap = v;
    130   1.1   mycroft 	struct sys_shmat_args /* {
    131   1.1   mycroft 		syscallarg(int) shmid;
    132   1.1   mycroft 		syscallarg(void *) shmaddr;
    133   1.1   mycroft 		syscallarg(int) shmflg;
    134   1.1   mycroft 	} */ shmat_args;
    135   1.5   thorpej 	struct compat_14_sys_shmctl_args /* {
    136   1.1   mycroft 		syscallarg(int) shmid;
    137   1.1   mycroft 		syscallarg(int) cmd;
    138   1.5   thorpej 		syscallarg(struct shmid_ds14 *) buf;
    139   1.1   mycroft 	} */ shmctl_args;
    140   1.1   mycroft 	struct sys_shmdt_args /* {
    141   1.1   mycroft 		syscallarg(void *) shmaddr;
    142   1.1   mycroft 	} */ shmdt_args;
    143   1.1   mycroft 	struct sys_shmget_args /* {
    144   1.1   mycroft 		syscallarg(key_t) key;
    145   1.1   mycroft 		syscallarg(int) size;
    146   1.1   mycroft 		syscallarg(int) shmflg;
    147   1.1   mycroft 	} */ shmget_args;
    148   1.1   mycroft 
    149   1.1   mycroft 	switch (SCARG(uap, which)) {
    150   1.1   mycroft 	case 0:						/* shmat() */
    151   1.1   mycroft 		SCARG(&shmat_args, shmid) = SCARG(uap, a2);
    152   1.1   mycroft 		SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3);
    153   1.1   mycroft 		SCARG(&shmat_args, shmflg) = SCARG(uap, a4);
    154  1.11   thorpej 		return (sys_shmat(l, &shmat_args, retval));
    155   1.1   mycroft 
    156   1.1   mycroft 	case 1:						/* oshmctl() */
    157   1.1   mycroft 		/* XXX Need to translate shmid_ds format. */
    158   1.1   mycroft 		return (EINVAL);
    159   1.1   mycroft 
    160   1.1   mycroft 	case 2:						/* shmdt() */
    161   1.2   mycroft 		SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2);
    162  1.11   thorpej 		return (sys_shmdt(l, &shmdt_args, retval));
    163   1.1   mycroft 
    164   1.1   mycroft 	case 3:						/* shmget() */
    165   1.1   mycroft 		SCARG(&shmget_args, key) = SCARG(uap, a2);
    166   1.1   mycroft 		SCARG(&shmget_args, size) = SCARG(uap, a3);
    167   1.1   mycroft 		SCARG(&shmget_args, shmflg) = SCARG(uap, a4);
    168  1.11   thorpej 		return (sys_shmget(l, &shmget_args, retval));
    169   1.1   mycroft 
    170   1.1   mycroft 	case 4:						/* shmctl() */
    171   1.1   mycroft 		SCARG(&shmctl_args, shmid) = SCARG(uap, a2);
    172   1.1   mycroft 		SCARG(&shmctl_args, cmd) = SCARG(uap, a3);
    173   1.5   thorpej 		SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4);
    174  1.11   thorpej 		return (compat_14_sys_shmctl(l, &shmctl_args, retval));
    175   1.1   mycroft 
    176   1.1   mycroft 	default:
    177   1.1   mycroft 		return (EINVAL);
    178   1.1   mycroft 	}
    179   1.1   mycroft }
    180   1.1   mycroft #endif
    181   1.1   mycroft 
    182   1.1   mycroft #ifdef SYSVMSG
    183   1.1   mycroft int
    184  1.11   thorpej freebsd_sys_msgsys(l, v, retval)
    185  1.11   thorpej 	struct lwp *l;
    186   1.1   mycroft 	void *v;
    187   1.1   mycroft 	register_t *retval;
    188   1.1   mycroft {
    189   1.1   mycroft 	struct freebsd_sys_msgsys_args /* {
    190   1.1   mycroft 		syscallarg(int) which;
    191   1.1   mycroft 		syscallarg(int) a2;
    192   1.1   mycroft 		syscallarg(int) a3;
    193   1.1   mycroft 		syscallarg(int) a4;
    194   1.1   mycroft 		syscallarg(int) a5;
    195   1.1   mycroft 		syscallarg(int) a6;
    196   1.1   mycroft 	} */ *uap = v;
    197   1.5   thorpej 	struct compat_14_sys_msgctl_args /* {
    198   1.1   mycroft 		syscallarg(int) msqid;
    199   1.1   mycroft 		syscallarg(int) cmd;
    200   1.5   thorpej 		syscallarg(struct msqid_ds14 *) buf;
    201   1.1   mycroft 	} */ msgctl_args;
    202   1.1   mycroft 	struct sys_msgget_args /* {
    203   1.1   mycroft 		syscallarg(key_t) key;
    204   1.1   mycroft 		syscallarg(int) msgflg;
    205   1.1   mycroft 	} */ msgget_args;
    206   1.1   mycroft 	struct sys_msgsnd_args /* {
    207   1.1   mycroft 		syscallarg(int) msqid;
    208   1.1   mycroft 		syscallarg(void *) msgp;
    209   1.1   mycroft 		syscallarg(size_t) msgsz;
    210   1.1   mycroft 		syscallarg(int) msgflg;
    211   1.1   mycroft 	} */ msgsnd_args;
    212   1.1   mycroft 	struct sys_msgrcv_args /* {
    213   1.1   mycroft 		syscallarg(int) msqid;
    214   1.1   mycroft 		syscallarg(void *) msgp;
    215   1.1   mycroft 		syscallarg(size_t) msgsz;
    216   1.1   mycroft 		syscallarg(long) msgtyp;
    217   1.1   mycroft 		syscallarg(int) msgflg;
    218   1.1   mycroft 	} */ msgrcv_args;
    219   1.1   mycroft 
    220   1.1   mycroft 	switch (SCARG(uap, which)) {
    221   1.1   mycroft 	case 0:					/* msgctl()*/
    222   1.1   mycroft 		SCARG(&msgctl_args, msqid) = SCARG(uap, a2);
    223   1.1   mycroft 		SCARG(&msgctl_args, cmd) = SCARG(uap, a3);
    224   1.1   mycroft 		SCARG(&msgctl_args, buf) =
    225   1.5   thorpej 		    (struct msqid_ds14 *)SCARG(uap, a4);
    226  1.11   thorpej 		return (compat_14_sys_msgctl(l, &msgctl_args, retval));
    227   1.1   mycroft 
    228   1.1   mycroft 	case 1:					/* msgget() */
    229   1.1   mycroft 		SCARG(&msgget_args, key) = SCARG(uap, a2);
    230   1.1   mycroft 		SCARG(&msgget_args, msgflg) = SCARG(uap, a3);
    231  1.11   thorpej 		return (sys_msgget(l, &msgget_args, retval));
    232   1.1   mycroft 
    233   1.1   mycroft 	case 2:					/* msgsnd() */
    234   1.1   mycroft 		SCARG(&msgsnd_args, msqid) = SCARG(uap, a2);
    235   1.1   mycroft 		SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3);
    236   1.1   mycroft 		SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4);
    237   1.1   mycroft 		SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5);
    238  1.11   thorpej 		return (sys_msgsnd(l, &msgsnd_args, retval));
    239   1.1   mycroft 
    240   1.1   mycroft 	case 3:					/* msgrcv() */
    241   1.1   mycroft 		SCARG(&msgrcv_args, msqid) = SCARG(uap, a2);
    242   1.1   mycroft 		SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3);
    243   1.1   mycroft 		SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4);
    244   1.1   mycroft 		SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5);
    245   1.1   mycroft 		SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6);
    246  1.11   thorpej 		return (sys_msgrcv(l, &msgrcv_args, retval));
    247   1.1   mycroft 
    248   1.1   mycroft 	default:
    249   1.1   mycroft 		return (EINVAL);
    250   1.1   mycroft 	}
    251   1.1   mycroft }
    252   1.1   mycroft #endif
    253