NetBSD/sys/compat/common/kern_ipc_10.c
scottb 498bb9530b Modified compat_10_sys_semsys to correctly read in a union arg (a5)
and pass a union pointer arg to sys___semctl
1998-03-05 04:26:35 +00:00

250 lines
7.3 KiB
C

/* $NetBSD: kern_ipc_10.c,v 1.6 1998/03/05 04:26:35 scottb Exp $ */
/*
* Copyright (c) 1994 Adam Glass and Charles Hannum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Adam Glass and Charles
* Hannum.
* 4. The names of the authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/sem.h>
#include <sys/malloc.h>
#include <sys/mount.h>
#include <sys/syscallargs.h>
#include <compat/common/compat_util.h>
#include <vm/vm.h>
#include <vm/vm_map.h>
#include <vm/vm_map.h>
#include <vm/vm_kern.h>
#ifdef SYSVSEM
int
compat_10_sys_semsys(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_10_sys_semsys_args /* {
syscallarg(int) which;
syscallarg(int) a2;
syscallarg(int) a3;
syscallarg(int) a4;
syscallarg(int) a5;
} */ *uap = v;
struct sys___semctl_args /* {
syscallarg(int) semid;
syscallarg(int) semnum;
syscallarg(int) cmd;
syscallarg(union semun *) arg;
} */ __semctl_args;
struct sys_semget_args /* {
syscallarg(key_t) key;
syscallarg(int) nsems;
syscallarg(int) semflg;
} */ semget_args;
struct sys_semop_args /* {
syscallarg(int) semid;
syscallarg(struct sembuf *) sops;
syscallarg(u_int) nsops;
} */ semop_args;
struct sys_semconfig_args /* {
syscallarg(int) flag;
} */ semconfig_args;
caddr_t sg = stackgap_init(p->p_emul);
switch (SCARG(uap, which)) {
case 0: /* __semctl() */
SCARG(&__semctl_args, semid) = SCARG(uap, a2);
SCARG(&__semctl_args, semnum) = SCARG(uap, a3);
SCARG(&__semctl_args, cmd) = SCARG(uap, a4);
SCARG(&__semctl_args, arg) = stackgap_alloc(&sg,
sizeof(union semun *));
copyout(&SCARG(uap, a5), SCARG(&__semctl_args, arg),
sizeof(union semun));
return (sys___semctl(p, &__semctl_args, retval));
case 1: /* semget() */
SCARG(&semget_args, key) = SCARG(uap, a2);
SCARG(&semget_args, nsems) = SCARG(uap, a3);
SCARG(&semget_args, semflg) = SCARG(uap, a4);
return (sys_semget(p, &semget_args, retval));
case 2: /* semop() */
SCARG(&semop_args, semid) = SCARG(uap, a2);
SCARG(&semop_args, sops) = (struct sembuf *)SCARG(uap, a3);
SCARG(&semop_args, nsops) = SCARG(uap, a4);
return (sys_semop(p, &semop_args, retval));
case 3: /* semconfig() */
SCARG(&semconfig_args, flag) = SCARG(uap, a2);
return (sys_semconfig(p, &semconfig_args, retval));
default:
return (EINVAL);
}
}
#endif
#ifdef SYSVSHM
int
compat_10_sys_shmsys(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_10_sys_shmsys_args /* {
syscallarg(int) which;
syscallarg(int) a2;
syscallarg(int) a3;
syscallarg(int) a4;
} */ *uap = v;
struct sys_shmat_args /* {
syscallarg(int) shmid;
syscallarg(void *) shmaddr;
syscallarg(int) shmflg;
} */ shmat_args;
struct sys_shmctl_args /* {
syscallarg(int) shmid;
syscallarg(int) cmd;
syscallarg(struct shmid_ds *) buf;
} */ shmctl_args;
struct sys_shmdt_args /* {
syscallarg(void *) shmaddr;
} */ shmdt_args;
struct sys_shmget_args /* {
syscallarg(key_t) key;
syscallarg(int) size;
syscallarg(int) shmflg;
} */ shmget_args;
switch (SCARG(uap, which)) {
case 0: /* shmat() */
SCARG(&shmat_args, shmid) = SCARG(uap, a2);
SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3);
SCARG(&shmat_args, shmflg) = SCARG(uap, a4);
return (sys_shmat(p, &shmat_args, retval));
case 1: /* shmctl() */
SCARG(&shmctl_args, shmid) = SCARG(uap, a2);
SCARG(&shmctl_args, cmd) = SCARG(uap, a3);
SCARG(&shmctl_args, buf) = (struct shmid_ds *)SCARG(uap, a4);
return (sys_shmctl(p, &shmctl_args, retval));
case 2: /* shmdt() */
SCARG(&shmdt_args, shmaddr) = (void *)SCARG(uap, a2);
return (sys_shmdt(p, &shmdt_args, retval));
case 3: /* shmget() */
SCARG(&shmget_args, key) = SCARG(uap, a2);
SCARG(&shmget_args, size) = SCARG(uap, a3);
SCARG(&shmget_args, shmflg) = SCARG(uap, a4);
return (sys_shmget(p, &shmget_args, retval));
default:
return (EINVAL);
}
}
#endif
#ifdef SYSVMSG
int
compat_10_sys_msgsys(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_10_sys_msgsys_args /* {
syscallarg(int) which;
syscallarg(int) a2;
syscallarg(int) a3;
syscallarg(int) a4;
syscallarg(int) a5;
syscallarg(int) a6;
} */ *uap = v;
struct sys_msgctl_args /* {
syscallarg(int) msqid;
syscallarg(int) cmd;
syscallarg(struct msqid_ds *) buf;
} */ msgctl_args;
struct sys_msgget_args /* {
syscallarg(key_t) key;
syscallarg(int) msgflg;
} */ msgget_args;
struct sys_msgsnd_args /* {
syscallarg(int) msqid;
syscallarg(void *) msgp;
syscallarg(size_t) msgsz;
syscallarg(int) msgflg;
} */ msgsnd_args;
struct sys_msgrcv_args /* {
syscallarg(int) msqid;
syscallarg(void *) msgp;
syscallarg(size_t) msgsz;
syscallarg(long) msgtyp;
syscallarg(int) msgflg;
} */ msgrcv_args;
switch (SCARG(uap, which)) {
case 0: /* msgctl()*/
SCARG(&msgctl_args, msqid) = SCARG(uap, a2);
SCARG(&msgctl_args, cmd) = SCARG(uap, a3);
SCARG(&msgctl_args, buf) =
(struct msqid_ds *)SCARG(uap, a4);
return (sys_msgctl(p, &msgctl_args, retval));
case 1: /* msgget() */
SCARG(&msgget_args, key) = SCARG(uap, a2);
SCARG(&msgget_args, msgflg) = SCARG(uap, a3);
return (sys_msgget(p, &msgget_args, retval));
case 2: /* msgsnd() */
SCARG(&msgsnd_args, msqid) = SCARG(uap, a2);
SCARG(&msgsnd_args, msgp) = (void *)SCARG(uap, a3);
SCARG(&msgsnd_args, msgsz) = SCARG(uap, a4);
SCARG(&msgsnd_args, msgflg) = SCARG(uap, a5);
return (sys_msgsnd(p, &msgsnd_args, retval));
case 3: /* msgrcv() */
SCARG(&msgrcv_args, msqid) = SCARG(uap, a2);
SCARG(&msgrcv_args, msgp) = (void *)SCARG(uap, a3);
SCARG(&msgrcv_args, msgsz) = SCARG(uap, a4);
SCARG(&msgrcv_args, msgtyp) = SCARG(uap, a5);
SCARG(&msgrcv_args, msgflg) = SCARG(uap, a6);
return (sys_msgrcv(p, &msgrcv_args, retval));
default:
return (EINVAL);
}
}
#endif