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freebsd_ipc.c revision 1.2
      1  1.2  mycroft /*	$NetBSD: freebsd_ipc.c,v 1.2 1998/01/22 17:23:43 mycroft Exp $	*/
      2  1.1  mycroft 
      3  1.1  mycroft /*
      4  1.1  mycroft  * Copyright (c) 1994 Adam Glass and Charles 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  1.1  mycroft  *	This product includes software developed by Adam Glass and Charles
     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  1.1  mycroft 
     33  1.1  mycroft #include <sys/param.h>
     34  1.1  mycroft #include <sys/systm.h>
     35  1.1  mycroft #include <sys/kernel.h>
     36  1.1  mycroft #include <sys/proc.h>
     37  1.1  mycroft #include <sys/sem.h>
     38  1.1  mycroft #include <sys/malloc.h>
     39  1.1  mycroft 
     40  1.1  mycroft #include <sys/mount.h>
     41  1.1  mycroft #include <sys/syscallargs.h>
     42  1.1  mycroft 
     43  1.1  mycroft #include <vm/vm.h>
     44  1.1  mycroft #include <vm/vm_map.h>
     45  1.1  mycroft #include <vm/vm_map.h>
     46  1.1  mycroft #include <vm/vm_kern.h>
     47  1.1  mycroft 
     48  1.1  mycroft #include <compat/freebsd/freebsd_syscallargs.h>
     49  1.1  mycroft 
     50  1.1  mycroft #ifdef SYSVSEM
     51  1.1  mycroft int
     52  1.1  mycroft freebsd_sys_semsys(p, v, retval)
     53  1.1  mycroft 	struct proc *p;
     54  1.1  mycroft 	void *v;
     55  1.1  mycroft 	register_t *retval;
     56  1.1  mycroft {
     57  1.1  mycroft 	struct freebsd_sys_semsys_args /* {
     58  1.1  mycroft 		syscallarg(int) which;
     59  1.1  mycroft 		syscallarg(int) a2;
     60  1.1  mycroft 		syscallarg(int) a3;
     61  1.1  mycroft 		syscallarg(int) a4;
     62  1.1  mycroft 		syscallarg(int) a5;
     63  1.1  mycroft 	} */ *uap = v;
     64  1.1  mycroft 	struct sys___semctl_args /* {
     65  1.1  mycroft 		syscallarg(int) semid;
     66  1.1  mycroft 		syscallarg(int) semnum;
     67  1.1  mycroft 		syscallarg(int) cmd;
     68  1.1  mycroft 		syscallarg(union semun *) arg;
     69  1.1  mycroft 	} */ __semctl_args;
     70  1.1  mycroft 	struct sys_semget_args /* {
     71  1.1  mycroft 		syscallarg(key_t) key;
     72  1.1  mycroft 		syscallarg(int) nsems;
     73  1.1  mycroft 		syscallarg(int) semflg;
     74  1.1  mycroft 	} */ semget_args;
     75  1.1  mycroft 	struct sys_semop_args /* {
     76  1.1  mycroft 		syscallarg(int) semid;
     77  1.1  mycroft 		syscallarg(struct sembuf *) sops;
     78  1.1  mycroft 		syscallarg(u_int) nsops;
     79  1.1  mycroft 	} */ semop_args;
     80  1.1  mycroft 	struct sys_semconfig_args /* {
     81  1.1  mycroft 		syscallarg(int) flag;
     82  1.1  mycroft 	} */ semconfig_args;
     83  1.1  mycroft 
     84  1.1  mycroft 	switch (SCARG(uap, which)) {
     85  1.1  mycroft 	case 0:						/* __semctl() */
     86  1.1  mycroft 		SCARG(&__semctl_args, semid) = SCARG(uap, a2);
     87  1.1  mycroft 		SCARG(&__semctl_args, semnum) = SCARG(uap, a3);
     88  1.1  mycroft 		SCARG(&__semctl_args, cmd) = SCARG(uap, a4);
     89  1.1  mycroft 		SCARG(&__semctl_args, arg) = (union semun *)SCARG(uap, a5);
     90  1.1  mycroft 		return (sys___semctl(p, &__semctl_args, retval));
     91  1.1  mycroft 
     92  1.1  mycroft 	case 1:						/* semget() */
     93  1.1  mycroft 		SCARG(&semget_args, key) = SCARG(uap, a2);
     94  1.1  mycroft 		SCARG(&semget_args, nsems) = SCARG(uap, a3);
     95  1.1  mycroft 		SCARG(&semget_args, semflg) = SCARG(uap, a4);
     96  1.1  mycroft 		return (sys_semget(p, &semget_args, retval));
     97  1.1  mycroft 
     98  1.1  mycroft 	case 2:						/* semop() */
     99  1.1  mycroft 		SCARG(&semop_args, semid) = SCARG(uap, a2);
    100  1.1  mycroft 		SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3);
    101  1.1  mycroft 		SCARG(&semop_args, nsops) = SCARG(uap, a4);
    102  1.1  mycroft 		return (sys_semop(p, &semop_args, retval));
    103  1.1  mycroft 
    104  1.1  mycroft 	case 3:						/* semconfig() */
    105  1.1  mycroft 		SCARG(&semconfig_args, flag) = SCARG(uap, a2);
    106  1.1  mycroft 		return (sys_semconfig(p, &semconfig_args, retval));
    107  1.1  mycroft 
    108  1.1  mycroft 	default:
    109  1.1  mycroft 		return (EINVAL);
    110  1.1  mycroft 	}
    111  1.1  mycroft }
    112  1.1  mycroft #endif
    113  1.1  mycroft 
    114  1.1  mycroft #ifdef SYSVSHM
    115  1.1  mycroft int
    116  1.1  mycroft freebsd_sys_shmsys(p, v, retval)
    117  1.1  mycroft 	struct proc *p;
    118  1.1  mycroft 	void *v;
    119  1.1  mycroft 	register_t *retval;
    120  1.1  mycroft {
    121  1.1  mycroft 	struct freebsd_sys_shmsys_args /* {
    122  1.1  mycroft 		syscallarg(int) which;
    123  1.1  mycroft 		syscallarg(int) a2;
    124  1.1  mycroft 		syscallarg(int) a3;
    125  1.1  mycroft 		syscallarg(int) a4;
    126  1.1  mycroft 	} */ *uap = v;
    127  1.1  mycroft 	struct sys_shmat_args /* {
    128  1.1  mycroft 		syscallarg(int) shmid;
    129  1.1  mycroft 		syscallarg(void *) shmaddr;
    130  1.1  mycroft 		syscallarg(int) shmflg;
    131  1.1  mycroft 	} */ shmat_args;
    132  1.1  mycroft 	struct sys_shmctl_args /* {
    133  1.1  mycroft 		syscallarg(int) shmid;
    134  1.1  mycroft 		syscallarg(int) cmd;
    135  1.1  mycroft 		syscallarg(struct shmid_ds *) buf;
    136  1.1  mycroft 	} */ shmctl_args;
    137  1.1  mycroft 	struct sys_shmdt_args /* {
    138  1.1  mycroft 		syscallarg(void *) shmaddr;
    139  1.1  mycroft 	} */ shmdt_args;
    140  1.1  mycroft 	struct sys_shmget_args /* {
    141  1.1  mycroft 		syscallarg(key_t) key;
    142  1.1  mycroft 		syscallarg(int) size;
    143  1.1  mycroft 		syscallarg(int) shmflg;
    144  1.1  mycroft 	} */ shmget_args;
    145  1.1  mycroft 
    146  1.1  mycroft 	switch (SCARG(uap, which)) {
    147  1.1  mycroft 	case 0:						/* shmat() */
    148  1.1  mycroft 		SCARG(&shmat_args, shmid) = SCARG(uap, a2);
    149  1.1  mycroft 		SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3);
    150  1.1  mycroft 		SCARG(&shmat_args, shmflg) = SCARG(uap, a4);
    151  1.1  mycroft 		return (sys_shmat(p, &shmat_args, retval));
    152  1.1  mycroft 
    153  1.1  mycroft 	case 1:						/* oshmctl() */
    154  1.1  mycroft 		/* XXX Need to translate shmid_ds format. */
    155  1.1  mycroft 		return (EINVAL);
    156  1.1  mycroft 
    157  1.1  mycroft 	case 2:						/* shmdt() */
    158  1.2  mycroft 		SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2);
    159  1.1  mycroft 		return (sys_shmdt(p, &shmdt_args, retval));
    160  1.1  mycroft 
    161  1.1  mycroft 	case 3:						/* shmget() */
    162  1.1  mycroft 		SCARG(&shmget_args, key) = SCARG(uap, a2);
    163  1.1  mycroft 		SCARG(&shmget_args, size) = SCARG(uap, a3);
    164  1.1  mycroft 		SCARG(&shmget_args, shmflg) = SCARG(uap, a4);
    165  1.1  mycroft 		return (sys_shmget(p, &shmget_args, retval));
    166  1.1  mycroft 
    167  1.1  mycroft 	case 4:						/* shmctl() */
    168  1.1  mycroft 		SCARG(&shmctl_args, shmid) = SCARG(uap, a2);
    169  1.1  mycroft 		SCARG(&shmctl_args, cmd) = SCARG(uap, a3);
    170  1.1  mycroft 		SCARG(&shmctl_args, buf) = (struct shmid_ds *)SCARG(uap, a4);
    171  1.1  mycroft 		return (sys_shmctl(p, &shmctl_args, retval));
    172  1.1  mycroft 
    173  1.1  mycroft 	default:
    174  1.1  mycroft 		return (EINVAL);
    175  1.1  mycroft 	}
    176  1.1  mycroft }
    177  1.1  mycroft #endif
    178  1.1  mycroft 
    179  1.1  mycroft #ifdef SYSVMSG
    180  1.1  mycroft int
    181  1.1  mycroft freebsd_sys_msgsys(p, v, retval)
    182  1.1  mycroft 	struct proc *p;
    183  1.1  mycroft 	void *v;
    184  1.1  mycroft 	register_t *retval;
    185  1.1  mycroft {
    186  1.1  mycroft 	struct freebsd_sys_msgsys_args /* {
    187  1.1  mycroft 		syscallarg(int) which;
    188  1.1  mycroft 		syscallarg(int) a2;
    189  1.1  mycroft 		syscallarg(int) a3;
    190  1.1  mycroft 		syscallarg(int) a4;
    191  1.1  mycroft 		syscallarg(int) a5;
    192  1.1  mycroft 		syscallarg(int) a6;
    193  1.1  mycroft 	} */ *uap = v;
    194  1.1  mycroft 	struct sys_msgctl_args /* {
    195  1.1  mycroft 		syscallarg(int) msqid;
    196  1.1  mycroft 		syscallarg(int) cmd;
    197  1.1  mycroft 		syscallarg(struct msqid_ds *) buf;
    198  1.1  mycroft 	} */ msgctl_args;
    199  1.1  mycroft 	struct sys_msgget_args /* {
    200  1.1  mycroft 		syscallarg(key_t) key;
    201  1.1  mycroft 		syscallarg(int) msgflg;
    202  1.1  mycroft 	} */ msgget_args;
    203  1.1  mycroft 	struct sys_msgsnd_args /* {
    204  1.1  mycroft 		syscallarg(int) msqid;
    205  1.1  mycroft 		syscallarg(void *) msgp;
    206  1.1  mycroft 		syscallarg(size_t) msgsz;
    207  1.1  mycroft 		syscallarg(int) msgflg;
    208  1.1  mycroft 	} */ msgsnd_args;
    209  1.1  mycroft 	struct sys_msgrcv_args /* {
    210  1.1  mycroft 		syscallarg(int) msqid;
    211  1.1  mycroft 		syscallarg(void *) msgp;
    212  1.1  mycroft 		syscallarg(size_t) msgsz;
    213  1.1  mycroft 		syscallarg(long) msgtyp;
    214  1.1  mycroft 		syscallarg(int) msgflg;
    215  1.1  mycroft 	} */ msgrcv_args;
    216  1.1  mycroft 
    217  1.1  mycroft 	switch (SCARG(uap, which)) {
    218  1.1  mycroft 	case 0:					/* msgctl()*/
    219  1.1  mycroft 		SCARG(&msgctl_args, msqid) = SCARG(uap, a2);
    220  1.1  mycroft 		SCARG(&msgctl_args, cmd) = SCARG(uap, a3);
    221  1.1  mycroft 		SCARG(&msgctl_args, buf) =
    222  1.1  mycroft 		    (struct msqid_ds *)SCARG(uap, a4);
    223  1.1  mycroft 		return (sys_msgctl(p, &msgctl_args, retval));
    224  1.1  mycroft 
    225  1.1  mycroft 	case 1:					/* msgget() */
    226  1.1  mycroft 		SCARG(&msgget_args, key) = SCARG(uap, a2);
    227  1.1  mycroft 		SCARG(&msgget_args, msgflg) = SCARG(uap, a3);
    228  1.1  mycroft 		return (sys_msgget(p, &msgget_args, retval));
    229  1.1  mycroft 
    230  1.1  mycroft 	case 2:					/* msgsnd() */
    231  1.1  mycroft 		SCARG(&msgsnd_args, msqid) = SCARG(uap, a2);
    232  1.1  mycroft 		SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3);
    233  1.1  mycroft 		SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4);
    234  1.1  mycroft 		SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5);
    235  1.1  mycroft 		return (sys_msgsnd(p, &msgsnd_args, retval));
    236  1.1  mycroft 
    237  1.1  mycroft 	case 3:					/* msgrcv() */
    238  1.1  mycroft 		SCARG(&msgrcv_args, msqid) = SCARG(uap, a2);
    239  1.1  mycroft 		SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3);
    240  1.1  mycroft 		SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4);
    241  1.1  mycroft 		SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5);
    242  1.1  mycroft 		SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6);
    243  1.1  mycroft 		return (sys_msgrcv(p, &msgrcv_args, retval));
    244  1.1  mycroft 
    245  1.1  mycroft 	default:
    246  1.1  mycroft 		return (EINVAL);
    247  1.1  mycroft 	}
    248  1.1  mycroft }
    249  1.1  mycroft #endif
    250