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NetBSD/sys/compat/netbsd32/netbsd32_ipc.c

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/* $NetBSD: netbsd32_ipc.c,v 1.5 2003/01/18 08:28:26 thorpej Exp $ */
/*
* Copyright (c) 1998, 2001 Matthew R. Green
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netbsd32_ipc.c,v 1.5 2003/01/18 08:28:26 thorpej Exp $");
#if defined(_KERNEL_OPT)
#include "opt_sysv.h"
#endif
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <sys/mount.h>
#include <sys/sa.h>
#include <sys/syscallargs.h>
#include <sys/proc.h>
#include <compat/netbsd32/netbsd32.h>
#include <compat/netbsd32/netbsd32_syscallargs.h>
#include <compat/netbsd32/netbsd32_conv.h>
#if defined(SYSVSEM)
/*
* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
*
* This is BSD. We won't support System V IPC.
* Too much work.
*
* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
*/
int
netbsd32___semctl14(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
#if 0
struct netbsd32___semctl_args /* {
syscallarg(int) semid;
syscallarg(int) semnum;
syscallarg(int) cmd;
syscallarg(netbsd32_semunu_t *) arg;
} */ *uap = v;
union netbsd32_semun sem32;
int semid = SCARG(uap, semid);
int semnum = SCARG(uap, semnum);
int cmd = SCARG(uap, cmd);
union netbsd32_semun *arg = (void*)NETBSD32PTR64(SCARG(uap, arg));
union netbsd32_semun real_arg;
struct ucred *cred = p->p_ucred;
int i, rval, eval;
struct netbsd32_semid_ds sbuf;
struct semid_ds *semaptr;
semlock(p);
semid = IPCID_TO_IX(semid);
if (semid < 0 || semid >= seminfo.semmsl)
return(EINVAL);
semaptr = &sema[semid];
if ((semaptr->sem_perm.mode & SEM_ALLOC) == 0 ||
semaptr->sem_perm.seq != IPCID_TO_SEQ(SCARG(uap, semid)))
return(EINVAL);
eval = 0;
rval = 0;
switch (cmd) {
case IPC_RMID:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_M)) != 0)
return(eval);
semaptr->sem_perm.cuid = cred->cr_uid;
semaptr->sem_perm.uid = cred->cr_uid;
semtot -= semaptr->sem_nsems;
for (i = semaptr->_sem_base - sem; i < semtot; i++)
sem[i] = sem[i + semaptr->sem_nsems];
for (i = 0; i < seminfo.semmni; i++) {
if ((sema[i].sem_perm.mode & SEM_ALLOC) &&
sema[i]._sem_base > semaptr->_sem_base)
sema[i]._sem_base -= semaptr->sem_nsems;
}
semaptr->sem_perm.mode = 0;
semundo_clear(semid, -1);
wakeup((caddr_t)semaptr);
break;
case IPC_SET:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_M)))
return(eval);
if ((eval = copyin(arg, &real_arg, sizeof(real_arg))) != 0)
return(eval);
if ((eval = copyin((caddr_t)NETBSD32PTR64(real_arg.buf),
(caddr_t)&sbuf, sizeof(sbuf))) != 0)
return(eval);
semaptr->sem_perm.uid = sbuf.sem_perm.uid;
semaptr->sem_perm.gid = sbuf.sem_perm.gid;
semaptr->sem_perm.mode = (semaptr->sem_perm.mode & ~0777) |
(sbuf.sem_perm.mode & 0777);
semaptr->sem_ctime = time.tv_sec;
break;
case IPC_STAT:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_R)))
return(eval);
if ((eval = copyin(arg, &real_arg, sizeof(real_arg))) != 0)
return(eval);
eval = copyout((caddr_t)semaptr,
(caddr_t)NETBSD32PTR64(real_arg.buf),
sizeof(struct semid_ds));
break;
case GETNCNT:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_R)))
return(eval);
if (semnum < 0 || semnum >= semaptr->sem_nsems)
return(EINVAL);
rval = semaptr->_sem_base[semnum].semncnt;
break;
case GETPID:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_R)))
return(eval);
if (semnum < 0 || semnum >= semaptr->sem_nsems)
return(EINVAL);
rval = semaptr->_sem_base[semnum].sempid;
break;
case GETVAL:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_R)))
return(eval);
if (semnum < 0 || semnum >= semaptr->sem_nsems)
return(EINVAL);
rval = semaptr->_sem_base[semnum].semval;
break;
case GETALL:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_R)))
return(eval);
if ((eval = copyin(arg, &real_arg, sizeof(real_arg))) != 0)
return(eval);
for (i = 0; i < semaptr->sem_nsems; i++) {
eval = copyout((caddr_t)&semaptr->_sem_base[i].semval,
&real_arg.array[i], sizeof(real_arg.array[0]));
if (eval != 0)
break;
}
break;
case GETZCNT:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_R)))
return(eval);
if (semnum < 0 || semnum >= semaptr->sem_nsems)
return(EINVAL);
rval = semaptr->_sem_base[semnum].semzcnt;
break;
case SETVAL:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_W)))
return(eval);
if (semnum < 0 || semnum >= semaptr->sem_nsems)
return(EINVAL);
if ((eval = copyin(arg, &real_arg, sizeof(real_arg))) != 0)
return(eval);
semaptr->_sem_base[semnum].semval = real_arg.val;
semundo_clear(semid, semnum);
wakeup((caddr_t)semaptr);
break;
case SETALL:
if ((eval = ipcperm(cred, &semaptr->sem_perm, IPC_W)))
return(eval);
if ((eval = copyin(arg, &real_arg, sizeof(real_arg))) != 0)
return(eval);
for (i = 0; i < semaptr->sem_nsems; i++) {
eval = copyin(&real_arg.array[i],
(caddr_t)&semaptr->_sem_base[i].semval,
sizeof(real_arg.array[0]));
if (eval != 0)
break;
}
semundo_clear(semid, -1);
wakeup((caddr_t)semaptr);
break;
default:
return(EINVAL);
}
if (eval == 0)
*retval = rval;
return(eval);
#else
return (ENOSYS);
#endif
}
int
netbsd32_semget(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
struct netbsd32_semget_args /* {
syscallarg(netbsd32_key_t) key;
syscallarg(int) nsems;
syscallarg(int) semflg;
} */ *uap = v;
struct sys_semget_args ua;
NETBSD32TOX_UAP(key, key_t);
NETBSD32TO64_UAP(nsems);
NETBSD32TO64_UAP(semflg);
return (sys_semget(l, &ua, retval));
}
int
netbsd32_semop(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
struct netbsd32_semop_args /* {
syscallarg(int) semid;
syscallarg(netbsd32_sembufp_t) sops;
syscallarg(netbsd32_size_t) nsops;
} */ *uap = v;
struct sys_semop_args ua;
NETBSD32TO64_UAP(semid);
NETBSD32TOP_UAP(sops, struct sembuf);
NETBSD32TOX_UAP(nsops, size_t);
return (sys_semop(l, &ua, retval));
}
int
netbsd32_semconfig(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
struct netbsd32_semconfig_args /* {
syscallarg(int) flag;
} */ *uap = v;
struct sys_semconfig_args ua;
NETBSD32TO64_UAP(flag);
return (sys_semconfig(l, &ua, retval));
}
#endif /* SYSVSEM */
#if defined(SYSVMSG)
int
netbsd32___msgctl13(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
#if 0
struct netbsd32_msgctl_args /* {
syscallarg(int) msqid;
syscallarg(int) cmd;
syscallarg(netbsd32_msqid_dsp_t) buf;
} */ *uap = v;
struct sys_msgctl_args ua;
struct msqid_ds ds;
struct netbsd32_msqid_ds *ds32p;
int error;
NETBSD32TO64_UAP(msqid);
NETBSD32TO64_UAP(cmd);
ds32p = (struct netbsd32_msqid_ds *)NETBSD32PTR64(SCARG(uap, buf));
if (ds32p) {
SCARG(&ua, buf) = NULL;
netbsd32_to_msqid_ds(ds32p, &ds);
} else
SCARG(&ua, buf) = NULL;
error = sys_msgctl(p, &ua, retval);
if (error)
return (error);
if (ds32p)
netbsd32_from_msqid_ds(&ds, ds32p);
return (0);
#else
return (ENOSYS);
#endif
}
int
netbsd32_msgget(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
#if 0
struct netbsd32_msgget_args /* {
syscallarg(netbsd32_key_t) key;
syscallarg(int) msgflg;
} */ *uap = v;
struct sys_msgget_args ua;
NETBSD32TOX_UAP(key, key_t);
NETBSD32TO64_UAP(msgflg);
return (sys_msgget(l, &ua, retval));
#else
return (ENOSYS);
#endif
}
int
netbsd32_msgsnd(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
#if 0
struct netbsd32_msgsnd_args /* {
syscallarg(int) msqid;
syscallarg(const netbsd32_voidp) msgp;
syscallarg(netbsd32_size_t) msgsz;
syscallarg(int) msgflg;
} */ *uap = v;
struct sys_msgsnd_args ua;
NETBSD32TO64_UAP(msqid);
NETBSD32TOP_UAP(msgp, void);
NETBSD32TOX_UAP(msgsz, size_t);
NETBSD32TO64_UAP(msgflg);
return (sys_msgsnd(l, &ua, retval));
#else
return (ENOSYS);
#endif
}
int
netbsd32_msgrcv(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
#if 0
struct netbsd32_msgrcv_args /* {
syscallarg(int) msqid;
syscallarg(netbsd32_voidp) msgp;
syscallarg(netbsd32_size_t) msgsz;
syscallarg(netbsd32_long) msgtyp;
syscallarg(int) msgflg;
} */ *uap = v;
struct sys_msgrcv_args ua;
ssize_t rt;
int error;
NETBSD32TO64_UAP(msqid);
NETBSD32TOP_UAP(msgp, void);
NETBSD32TOX_UAP(msgsz, size_t);
NETBSD32TOX_UAP(msgtyp, long);
NETBSD32TO64_UAP(msgflg);
error = sys_msgrcv(l, &ua, (register_t *)&rt);
*retval = rt;
return (error);
#else
return (ENOSYS);
#endif
}
#endif /* SYSVMSG */
#if defined(SYSVSHM)
int
netbsd32_shmat(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
#if 0
struct netbsd32_shmat_args /* {
syscallarg(int) shmid;
syscallarg(const netbsd32_voidp) shmaddr;
syscallarg(int) shmflg;
} */ *uap = v;
struct sys_shmat_args ua;
void *rt;
int error;
NETBSD32TO64_UAP(shmid);
NETBSD32TOP_UAP(shmaddr, void);
NETBSD32TO64_UAP(shmflg);
error = sys_shmat(l, &ua, (register_t *)&rt);
*retval = rt;
return (error);
#else
return (ENOSYS);
#endif
}
int
netbsd32___shmctl13(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
#if 0
struct netbsd32_shmctl_args /* {
syscallarg(int) shmid;
syscallarg(int) cmd;
syscallarg(netbsd32_shmid_dsp_t) buf;
} */ *uap = v;
struct sys_shmctl_args ua;
struct shmid_ds ds;
struct netbsd32_shmid_ds *ds32p;
int error;
NETBSD32TO64_UAP(shmid);
NETBSD32TO64_UAP(cmd);
ds32p = (struct netbsd32_shmid_ds *)NETBSD32PTR64(SCARG(uap, buf));
if (ds32p) {
SCARG(&ua, buf) = NULL;
netbsd32_to_shmid_ds(ds32p, &ds);
} else
SCARG(&ua, buf) = NULL;
error = sys_shmctl(p, &ua, retval);
if (error)
return (error);
if (ds32p)
netbsd32_from_shmid_ds(&ds, ds32p);
return (0);
#else
return (ENOSYS);
#endif
}
int
netbsd32_shmdt(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
#if 0
struct netbsd32_shmdt_args /* {
syscallarg(const netbsd32_voidp) shmaddr;
} */ *uap = v;
struct sys_shmdt_args ua;
NETBSD32TOP_UAP(shmaddr, const char);
return (sys_shmdt(l, &ua, retval));
#else
return (ENOSYS);
#endif
}
int
netbsd32_shmget(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
#if 0
struct netbsd32_shmget_args /* {
syscallarg(netbsd32_key_t) key;
syscallarg(netbsd32_size_t) size;
syscallarg(int) shmflg;
} */ *uap = v;
struct sys_shmget_args ua;
NETBSD32TOX_UAP(key, key_t)
NETBSD32TOX_UAP(size, size_t)
NETBSD32TO64_UAP(shmflg);
return (sys_shmget(l, &ua, retval));
#else
return (ENOSYS);
#endif
}
#endif /* SYSVSHM */
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