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freebsd_ipc.c revision 1.4
      1 /*	$NetBSD: freebsd_ipc.c,v 1.4 1998/10/19 22:27:38 tron Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Adam Glass and Charles M. Hannum.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     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. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Adam Glass and Charles M.
     17  *	Hannum.
     18  * 4. The names of the authors may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include "opt_sysv.h"
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/kernel.h>
     38 #include <sys/proc.h>
     39 #include <sys/sem.h>
     40 #include <sys/malloc.h>
     41 
     42 #include <sys/mount.h>
     43 #include <sys/syscallargs.h>
     44 
     45 #include <vm/vm.h>
     46 #include <vm/vm_map.h>
     47 #include <vm/vm_map.h>
     48 #include <vm/vm_kern.h>
     49 
     50 #include <compat/freebsd/freebsd_syscallargs.h>
     51 
     52 #ifdef SYSVSEM
     53 int
     54 freebsd_sys_semsys(p, v, retval)
     55 	struct proc *p;
     56 	void *v;
     57 	register_t *retval;
     58 {
     59 	struct freebsd_sys_semsys_args /* {
     60 		syscallarg(int) which;
     61 		syscallarg(int) a2;
     62 		syscallarg(int) a3;
     63 		syscallarg(int) a4;
     64 		syscallarg(int) a5;
     65 	} */ *uap = v;
     66 	struct sys___semctl_args /* {
     67 		syscallarg(int) semid;
     68 		syscallarg(int) semnum;
     69 		syscallarg(int) cmd;
     70 		syscallarg(union semun *) arg;
     71 	} */ __semctl_args;
     72 	struct sys_semget_args /* {
     73 		syscallarg(key_t) key;
     74 		syscallarg(int) nsems;
     75 		syscallarg(int) semflg;
     76 	} */ semget_args;
     77 	struct sys_semop_args /* {
     78 		syscallarg(int) semid;
     79 		syscallarg(struct sembuf *) sops;
     80 		syscallarg(u_int) nsops;
     81 	} */ semop_args;
     82 	struct sys_semconfig_args /* {
     83 		syscallarg(int) flag;
     84 	} */ semconfig_args;
     85 
     86 	switch (SCARG(uap, which)) {
     87 	case 0:						/* __semctl() */
     88 		SCARG(&__semctl_args, semid) = SCARG(uap, a2);
     89 		SCARG(&__semctl_args, semnum) = SCARG(uap, a3);
     90 		SCARG(&__semctl_args, cmd) = SCARG(uap, a4);
     91 		SCARG(&__semctl_args, arg) = (union semun *)SCARG(uap, a5);
     92 		return (sys___semctl(p, &__semctl_args, retval));
     93 
     94 	case 1:						/* semget() */
     95 		SCARG(&semget_args, key) = SCARG(uap, a2);
     96 		SCARG(&semget_args, nsems) = SCARG(uap, a3);
     97 		SCARG(&semget_args, semflg) = SCARG(uap, a4);
     98 		return (sys_semget(p, &semget_args, retval));
     99 
    100 	case 2:						/* semop() */
    101 		SCARG(&semop_args, semid) = SCARG(uap, a2);
    102 		SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3);
    103 		SCARG(&semop_args, nsops) = SCARG(uap, a4);
    104 		return (sys_semop(p, &semop_args, retval));
    105 
    106 	case 3:						/* semconfig() */
    107 		SCARG(&semconfig_args, flag) = SCARG(uap, a2);
    108 		return (sys_semconfig(p, &semconfig_args, retval));
    109 
    110 	default:
    111 		return (EINVAL);
    112 	}
    113 }
    114 #endif
    115 
    116 #ifdef SYSVSHM
    117 int
    118 freebsd_sys_shmsys(p, v, retval)
    119 	struct proc *p;
    120 	void *v;
    121 	register_t *retval;
    122 {
    123 	struct freebsd_sys_shmsys_args /* {
    124 		syscallarg(int) which;
    125 		syscallarg(int) a2;
    126 		syscallarg(int) a3;
    127 		syscallarg(int) a4;
    128 	} */ *uap = v;
    129 	struct sys_shmat_args /* {
    130 		syscallarg(int) shmid;
    131 		syscallarg(void *) shmaddr;
    132 		syscallarg(int) shmflg;
    133 	} */ shmat_args;
    134 	struct sys_shmctl_args /* {
    135 		syscallarg(int) shmid;
    136 		syscallarg(int) cmd;
    137 		syscallarg(struct shmid_ds *) buf;
    138 	} */ shmctl_args;
    139 	struct sys_shmdt_args /* {
    140 		syscallarg(void *) shmaddr;
    141 	} */ shmdt_args;
    142 	struct sys_shmget_args /* {
    143 		syscallarg(key_t) key;
    144 		syscallarg(int) size;
    145 		syscallarg(int) shmflg;
    146 	} */ shmget_args;
    147 
    148 	switch (SCARG(uap, which)) {
    149 	case 0:						/* shmat() */
    150 		SCARG(&shmat_args, shmid) = SCARG(uap, a2);
    151 		SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3);
    152 		SCARG(&shmat_args, shmflg) = SCARG(uap, a4);
    153 		return (sys_shmat(p, &shmat_args, retval));
    154 
    155 	case 1:						/* oshmctl() */
    156 		/* XXX Need to translate shmid_ds format. */
    157 		return (EINVAL);
    158 
    159 	case 2:						/* shmdt() */
    160 		SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2);
    161 		return (sys_shmdt(p, &shmdt_args, retval));
    162 
    163 	case 3:						/* shmget() */
    164 		SCARG(&shmget_args, key) = SCARG(uap, a2);
    165 		SCARG(&shmget_args, size) = SCARG(uap, a3);
    166 		SCARG(&shmget_args, shmflg) = SCARG(uap, a4);
    167 		return (sys_shmget(p, &shmget_args, retval));
    168 
    169 	case 4:						/* shmctl() */
    170 		SCARG(&shmctl_args, shmid) = SCARG(uap, a2);
    171 		SCARG(&shmctl_args, cmd) = SCARG(uap, a3);
    172 		SCARG(&shmctl_args, buf) = (struct shmid_ds *)SCARG(uap, a4);
    173 		return (sys_shmctl(p, &shmctl_args, retval));
    174 
    175 	default:
    176 		return (EINVAL);
    177 	}
    178 }
    179 #endif
    180 
    181 #ifdef SYSVMSG
    182 int
    183 freebsd_sys_msgsys(p, v, retval)
    184 	struct proc *p;
    185 	void *v;
    186 	register_t *retval;
    187 {
    188 	struct freebsd_sys_msgsys_args /* {
    189 		syscallarg(int) which;
    190 		syscallarg(int) a2;
    191 		syscallarg(int) a3;
    192 		syscallarg(int) a4;
    193 		syscallarg(int) a5;
    194 		syscallarg(int) a6;
    195 	} */ *uap = v;
    196 	struct sys_msgctl_args /* {
    197 		syscallarg(int) msqid;
    198 		syscallarg(int) cmd;
    199 		syscallarg(struct msqid_ds *) buf;
    200 	} */ msgctl_args;
    201 	struct sys_msgget_args /* {
    202 		syscallarg(key_t) key;
    203 		syscallarg(int) msgflg;
    204 	} */ msgget_args;
    205 	struct sys_msgsnd_args /* {
    206 		syscallarg(int) msqid;
    207 		syscallarg(void *) msgp;
    208 		syscallarg(size_t) msgsz;
    209 		syscallarg(int) msgflg;
    210 	} */ msgsnd_args;
    211 	struct sys_msgrcv_args /* {
    212 		syscallarg(int) msqid;
    213 		syscallarg(void *) msgp;
    214 		syscallarg(size_t) msgsz;
    215 		syscallarg(long) msgtyp;
    216 		syscallarg(int) msgflg;
    217 	} */ msgrcv_args;
    218 
    219 	switch (SCARG(uap, which)) {
    220 	case 0:					/* msgctl()*/
    221 		SCARG(&msgctl_args, msqid) = SCARG(uap, a2);
    222 		SCARG(&msgctl_args, cmd) = SCARG(uap, a3);
    223 		SCARG(&msgctl_args, buf) =
    224 		    (struct msqid_ds *)SCARG(uap, a4);
    225 		return (sys_msgctl(p, &msgctl_args, retval));
    226 
    227 	case 1:					/* msgget() */
    228 		SCARG(&msgget_args, key) = SCARG(uap, a2);
    229 		SCARG(&msgget_args, msgflg) = SCARG(uap, a3);
    230 		return (sys_msgget(p, &msgget_args, retval));
    231 
    232 	case 2:					/* msgsnd() */
    233 		SCARG(&msgsnd_args, msqid) = SCARG(uap, a2);
    234 		SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3);
    235 		SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4);
    236 		SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5);
    237 		return (sys_msgsnd(p, &msgsnd_args, retval));
    238 
    239 	case 3:					/* msgrcv() */
    240 		SCARG(&msgrcv_args, msqid) = SCARG(uap, a2);
    241 		SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3);
    242 		SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4);
    243 		SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5);
    244 		SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6);
    245 		return (sys_msgrcv(p, &msgrcv_args, retval));
    246 
    247 	default:
    248 		return (EINVAL);
    249 	}
    250 }
    251 #endif
    252