307 lines
8.1 KiB
C
307 lines
8.1 KiB
C
/*-
|
|
* Copyright (c) 1994-1995 Søren Schmidt
|
|
* 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
|
|
* in this position and unchanged.
|
|
* 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 withough 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.
|
|
*
|
|
* $Id: linux_ipc.c,v 1.1 1995/06/25 17:32:36 sos Exp $
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/sysproto.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/shm.h>
|
|
|
|
#include <i386/linux/linux.h>
|
|
#include <i386/linux/sysproto.h>
|
|
|
|
struct linux_ipc_perm {
|
|
linux_key_t key;
|
|
unsigned short uid;
|
|
unsigned short gid;
|
|
unsigned short cuid;
|
|
unsigned short cgid;
|
|
unsigned short mode;
|
|
unsigned short seq;
|
|
};
|
|
|
|
static void
|
|
linux_to_bsd_ipc_perm(struct linux_ipc_perm *lpp, struct ipc_perm *bpp)
|
|
{
|
|
bpp->key = lpp->key;
|
|
bpp->uid = lpp->uid;
|
|
bpp->gid = lpp->gid;
|
|
bpp->cuid = lpp->cuid;
|
|
bpp->cgid = lpp->cgid;
|
|
bpp->mode = lpp->mode;
|
|
bpp->seq = lpp->seq;
|
|
}
|
|
|
|
|
|
static void
|
|
bsd_to_linux_ipc_perm(struct ipc_perm *bpp, struct linux_ipc_perm *lpp)
|
|
{
|
|
lpp->key = bpp->key;
|
|
lpp->uid = bpp->uid;
|
|
lpp->gid = bpp->gid;
|
|
lpp->cuid = bpp->cuid;
|
|
lpp->cgid = bpp->cgid;
|
|
lpp->mode = bpp->mode;
|
|
lpp->seq = bpp->seq;
|
|
}
|
|
|
|
struct linux_shmid_ds {
|
|
struct linux_ipc_perm shm_perm;
|
|
int shm_segsz;
|
|
linux_time_t shm_atime;
|
|
linux_time_t shm_dtime;
|
|
linux_time_t shm_ctime;
|
|
ushort shm_cpid;
|
|
ushort shm_lpid;
|
|
short shm_nattch;
|
|
ushort private1;
|
|
void *private2;
|
|
void *private3;
|
|
};
|
|
|
|
static void
|
|
linux_to_bsd_shmid_ds(struct linux_shmid_ds *lsp, struct shmid_ds *bsp)
|
|
{
|
|
linux_to_bsd_ipc_perm(&lsp->shm_perm, &bsp->shm_perm);
|
|
bsp->shm_segsz = lsp->shm_segsz;
|
|
bsp->shm_lpid = lsp->shm_lpid;
|
|
bsp->shm_cpid = lsp->shm_cpid;
|
|
bsp->shm_nattch = lsp->shm_nattch;
|
|
bsp->shm_atime = lsp->shm_atime;
|
|
bsp->shm_dtime = lsp->shm_dtime;
|
|
bsp->shm_ctime = lsp->shm_ctime;
|
|
bsp->shm_internal = lsp->private3; /* this goes (yet) SOS */
|
|
}
|
|
|
|
static void
|
|
bsd_to_linux_shmid_ds(struct shmid_ds *bsp, struct linux_shmid_ds *lsp)
|
|
{
|
|
bsd_to_linux_ipc_perm(&bsp->shm_perm, &lsp->shm_perm);
|
|
lsp->shm_segsz = bsp->shm_segsz;
|
|
lsp->shm_lpid = bsp->shm_lpid;
|
|
lsp->shm_cpid = bsp->shm_cpid;
|
|
lsp->shm_nattch = bsp->shm_nattch;
|
|
lsp->shm_atime = bsp->shm_atime;
|
|
lsp->shm_dtime = bsp->shm_dtime;
|
|
lsp->shm_ctime = bsp->shm_ctime;
|
|
lsp->private3 = bsp->shm_internal; /* this goes (yet) SOS */
|
|
}
|
|
|
|
struct linux_ipc_args {
|
|
int what;
|
|
int arg1;
|
|
int arg2;
|
|
int arg3;
|
|
caddr_t ptr;
|
|
};
|
|
|
|
int
|
|
linux_semop(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
return ENOSYS;
|
|
}
|
|
|
|
int
|
|
linux_semget(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
return ENOSYS;
|
|
}
|
|
|
|
int
|
|
linux_semctl(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
return ENOSYS;
|
|
}
|
|
|
|
int
|
|
linux_msgsnd(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
return ENOSYS;
|
|
}
|
|
|
|
int
|
|
linux_msgrcv(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
return ENOSYS;
|
|
}
|
|
|
|
int
|
|
linux_msgget(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
return ENOSYS;
|
|
}
|
|
|
|
int
|
|
linux_msgctl(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
return ENOSYS;
|
|
}
|
|
|
|
int
|
|
linux_shmat(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
struct shmat_args {
|
|
int shmid;
|
|
void *shmaddr;
|
|
int shmflg;
|
|
} bsd_args;
|
|
int error;
|
|
|
|
bsd_args.shmid = args->arg1;
|
|
bsd_args.shmaddr = args->ptr;
|
|
bsd_args.shmflg = args->arg2;
|
|
if ((error = shmat(p, &bsd_args, retval)))
|
|
return error;
|
|
if ((error = copyout(retval, (caddr_t)args->arg3, sizeof(int))))
|
|
return error;
|
|
retval[0] = 0;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
linux_shmdt(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
struct shmdt_args {
|
|
void *shmaddr;
|
|
} bsd_args;
|
|
|
|
bsd_args.shmaddr = args->ptr;
|
|
return shmdt(p, &bsd_args, retval);
|
|
}
|
|
|
|
int
|
|
linux_shmget(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
struct shmget_args {
|
|
key_t key;
|
|
int size;
|
|
int shmflg;
|
|
} bsd_args;
|
|
|
|
bsd_args.key = args->arg1;
|
|
bsd_args.size = args->arg2;
|
|
bsd_args.shmflg = args->arg3;
|
|
return shmget(p, &bsd_args, retval);
|
|
}
|
|
|
|
int
|
|
linux_shmctl(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
struct shmid_ds bsd_shmid;
|
|
struct linux_shmid_ds linux_shmid;
|
|
struct shmctl_args {
|
|
int shmid;
|
|
int cmd;
|
|
struct shmid_ds *buf;
|
|
} bsd_args;
|
|
int error;
|
|
|
|
switch (args->arg2) {
|
|
case LINUX_IPC_STAT:
|
|
bsd_args.shmid = args->arg1;
|
|
bsd_args.cmd = IPC_STAT;
|
|
bsd_args.buf = (struct shmid_ds*)ua_alloc_init(sizeof(struct shmid_ds));
|
|
if ((error = shmctl(p, &bsd_args, retval)))
|
|
return error;
|
|
if ((error = copyin((caddr_t)&bsd_shmid, (caddr_t)bsd_args.buf,
|
|
sizeof(struct shmid_ds))))
|
|
return error;
|
|
bsd_to_linux_shmid_ds(&bsd_shmid, &linux_shmid);
|
|
return copyout((caddr_t)&linux_shmid, args->ptr, sizeof(linux_shmid));
|
|
|
|
case LINUX_IPC_SET:
|
|
if ((error = copyin(args->ptr, (caddr_t)&linux_shmid,
|
|
sizeof(linux_shmid))))
|
|
return error;
|
|
linux_to_bsd_shmid_ds(&linux_shmid, &bsd_shmid);
|
|
bsd_args.buf = (struct shmid_ds*)ua_alloc_init(sizeof(struct shmid_ds));
|
|
if ((error = copyout((caddr_t)&bsd_shmid, (caddr_t)bsd_args.buf,
|
|
sizeof(struct shmid_ds))))
|
|
return error;
|
|
bsd_args.shmid = args->arg1;
|
|
bsd_args.cmd = IPC_SET;
|
|
return shmctl(p, &bsd_args, retval);
|
|
|
|
case LINUX_IPC_RMID:
|
|
bsd_args.shmid = args->arg1;
|
|
bsd_args.cmd = IPC_RMID;
|
|
if ((error = copyin(args->ptr, (caddr_t)&linux_shmid,
|
|
sizeof(linux_shmid))))
|
|
return error;
|
|
linux_to_bsd_shmid_ds(&linux_shmid, &bsd_shmid);
|
|
bsd_args.buf = (struct shmid_ds*)ua_alloc_init(sizeof(struct shmid_ds));
|
|
if ((error = copyout((caddr_t)&bsd_shmid, (caddr_t)bsd_args.buf,
|
|
sizeof(struct shmid_ds))))
|
|
return error;
|
|
return shmctl(p, &bsd_args, retval);
|
|
|
|
case LINUX_IPC_INFO:
|
|
case LINUX_SHM_STAT:
|
|
case LINUX_SHM_INFO:
|
|
case LINUX_SHM_LOCK:
|
|
case LINUX_SHM_UNLOCK:
|
|
default:
|
|
uprintf("LINUX: 'ipc' typ=%d not implemented\n", args->what);
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
int
|
|
linux_ipc(struct proc *p, struct linux_ipc_args *args, int *retval)
|
|
{
|
|
switch (args->what) {
|
|
case LINUX_SEMOP:
|
|
return linux_semop(p, args, retval);
|
|
case LINUX_SEMGET:
|
|
return linux_semget(p, args, retval);
|
|
case LINUX_SEMCTL:
|
|
return linux_semctl(p, args, retval);
|
|
case LINUX_MSGSND:
|
|
return linux_msgsnd(p, args, retval);
|
|
case LINUX_MSGRCV:
|
|
return linux_msgrcv(p, args, retval);
|
|
case LINUX_MSGGET:
|
|
return linux_msgget(p, args, retval);
|
|
case LINUX_MSGCTL:
|
|
return linux_msgctl(p, args, retval);
|
|
case LINUX_SHMAT:
|
|
return linux_shmat(p, args, retval);
|
|
case LINUX_SHMDT:
|
|
return linux_shmdt(p, args, retval);
|
|
case LINUX_SHMGET:
|
|
return linux_shmget(p, args, retval);
|
|
case LINUX_SHMCTL:
|
|
return linux_shmctl(p, args, retval);
|
|
default:
|
|
uprintf("LINUX: 'ipc' typ=%d not implemented\n", args->what);
|
|
return ENOSYS;
|
|
}
|
|
}
|