245 lines
7.4 KiB
C
245 lines
7.4 KiB
C
/* $NetBSD: freebsd_ipc.c,v 1.16 2009/01/11 02:45:47 christos Exp $ */
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/*
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* Copyright (c) 1994 Adam Glass and Charles M. Hannum. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Adam Glass and Charles M.
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* Hannum.
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* 4. The names of the authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: freebsd_ipc.c,v 1.16 2009/01/11 02:45:47 christos Exp $");
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#if defined(_KERNEL_OPT)
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#include "opt_sysv.h"
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/sem.h>
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#include <sys/shm.h>
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#include <sys/malloc.h>
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#include <sys/mount.h>
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#include <sys/syscallargs.h>
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#include <compat/sys/shm.h>
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#include <compat/freebsd/freebsd_syscallargs.h>
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#ifdef SYSVSEM
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int
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freebsd_sys_semsys(struct lwp *l, const struct freebsd_sys_semsys_args *uap, register_t *retval)
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{
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/* {
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syscallarg(int) which;
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syscallarg(int) a2;
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syscallarg(int) a3;
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syscallarg(int) a4;
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syscallarg(int) a5;
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} */
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struct compat_14_sys___semctl_args /* {
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syscallarg(int) semid;
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syscallarg(int) semnum;
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syscallarg(int) cmd;
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syscallarg(union __semun *) arg;
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} */ __semctl_args;
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struct sys_semget_args /* {
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syscallarg(key_t) key;
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syscallarg(int) nsems;
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syscallarg(int) semflg;
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} */ semget_args;
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struct sys_semop_args /* {
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syscallarg(int) semid;
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syscallarg(struct sembuf *) sops;
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syscallarg(u_int) nsops;
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} */ semop_args;
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struct sys_semconfig_args /* {
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syscallarg(int) flag;
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} */ semconfig_args;
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switch (SCARG(uap, which)) {
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case 0: /* __semctl() */
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SCARG(&__semctl_args, semid) = SCARG(uap, a2);
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SCARG(&__semctl_args, semnum) = SCARG(uap, a3);
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SCARG(&__semctl_args, cmd) = SCARG(uap, a4);
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SCARG(&__semctl_args, arg) = (union __semun *)SCARG(uap, a5);
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return (compat_14_sys___semctl(l, &__semctl_args, retval));
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case 1: /* semget() */
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SCARG(&semget_args, key) = SCARG(uap, a2);
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SCARG(&semget_args, nsems) = SCARG(uap, a3);
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SCARG(&semget_args, semflg) = SCARG(uap, a4);
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return (sys_semget(l, &semget_args, retval));
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case 2: /* semop() */
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SCARG(&semop_args, semid) = SCARG(uap, a2);
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SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3);
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SCARG(&semop_args, nsops) = SCARG(uap, a4);
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return (sys_semop(l, &semop_args, retval));
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case 3: /* semconfig() */
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SCARG(&semconfig_args, flag) = SCARG(uap, a2);
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return (sys_semconfig(l, &semconfig_args, retval));
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default:
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return (EINVAL);
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}
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}
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#endif
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#ifdef SYSVSHM
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int
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freebsd_sys_shmsys(struct lwp *l, const struct freebsd_sys_shmsys_args *uap, register_t *retval)
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{
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/* {
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syscallarg(int) which;
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syscallarg(int) a2;
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syscallarg(int) a3;
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syscallarg(int) a4;
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} */
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struct sys_shmat_args /* {
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syscallarg(int) shmid;
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syscallarg(void *) shmaddr;
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syscallarg(int) shmflg;
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} */ shmat_args;
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struct compat_14_sys_shmctl_args /* {
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syscallarg(int) shmid;
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syscallarg(int) cmd;
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syscallarg(struct shmid_ds14 *) buf;
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} */ shmctl_args;
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struct sys_shmdt_args /* {
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syscallarg(void *) shmaddr;
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} */ shmdt_args;
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struct sys_shmget_args /* {
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syscallarg(key_t) key;
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syscallarg(int) size;
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syscallarg(int) shmflg;
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} */ shmget_args;
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switch (SCARG(uap, which)) {
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case 0: /* shmat() */
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SCARG(&shmat_args, shmid) = SCARG(uap, a2);
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SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3);
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SCARG(&shmat_args, shmflg) = SCARG(uap, a4);
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return (sys_shmat(l, &shmat_args, retval));
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case 1: /* oshmctl() */
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/* XXX Need to translate shmid_ds format. */
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return (EINVAL);
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case 2: /* shmdt() */
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SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2);
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return (sys_shmdt(l, &shmdt_args, retval));
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case 3: /* shmget() */
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SCARG(&shmget_args, key) = SCARG(uap, a2);
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SCARG(&shmget_args, size) = SCARG(uap, a3);
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SCARG(&shmget_args, shmflg) = SCARG(uap, a4);
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return (sys_shmget(l, &shmget_args, retval));
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case 4: /* shmctl() */
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SCARG(&shmctl_args, shmid) = SCARG(uap, a2);
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SCARG(&shmctl_args, cmd) = SCARG(uap, a3);
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SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4);
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return (compat_14_sys_shmctl(l, &shmctl_args, retval));
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default:
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return (EINVAL);
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}
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}
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#endif
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#ifdef SYSVMSG
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int
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freebsd_sys_msgsys(struct lwp *l, const struct freebsd_sys_msgsys_args *uap, register_t *retval)
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{
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/* {
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syscallarg(int) which;
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syscallarg(int) a2;
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syscallarg(int) a3;
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syscallarg(int) a4;
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syscallarg(int) a5;
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syscallarg(int) a6;
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} */
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struct compat_14_sys_msgctl_args /* {
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syscallarg(int) msqid;
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syscallarg(int) cmd;
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syscallarg(struct msqid_ds14 *) buf;
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} */ msgctl_args;
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struct sys_msgget_args /* {
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syscallarg(key_t) key;
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syscallarg(int) msgflg;
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} */ msgget_args;
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struct sys_msgsnd_args /* {
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syscallarg(int) msqid;
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syscallarg(void *) msgp;
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syscallarg(size_t) msgsz;
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syscallarg(int) msgflg;
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} */ msgsnd_args;
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struct sys_msgrcv_args /* {
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syscallarg(int) msqid;
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syscallarg(void *) msgp;
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syscallarg(size_t) msgsz;
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syscallarg(long) msgtyp;
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syscallarg(int) msgflg;
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} */ msgrcv_args;
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switch (SCARG(uap, which)) {
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case 0: /* msgctl()*/
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SCARG(&msgctl_args, msqid) = SCARG(uap, a2);
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SCARG(&msgctl_args, cmd) = SCARG(uap, a3);
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SCARG(&msgctl_args, buf) =
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(struct msqid_ds14 *)SCARG(uap, a4);
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return (compat_14_sys_msgctl(l, &msgctl_args, retval));
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case 1: /* msgget() */
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SCARG(&msgget_args, key) = SCARG(uap, a2);
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SCARG(&msgget_args, msgflg) = SCARG(uap, a3);
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return (sys_msgget(l, &msgget_args, retval));
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case 2: /* msgsnd() */
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SCARG(&msgsnd_args, msqid) = SCARG(uap, a2);
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SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3);
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SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4);
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SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5);
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return (sys_msgsnd(l, &msgsnd_args, retval));
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case 3: /* msgrcv() */
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SCARG(&msgrcv_args, msqid) = SCARG(uap, a2);
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SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3);
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SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4);
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SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5);
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SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6);
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return (sys_msgrcv(l, &msgrcv_args, retval));
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default:
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return (EINVAL);
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}
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}
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#endif
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