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Pull in fcntl GETLK/SETLK/UNLK compat functions from SVR4 sibling.

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This commit is contained in:
pk 1997-12-11 09:52:57 +00:00
parent 4a0b2d1b52
commit 5641a30a30
1 changed files with 112 additions and 1 deletions
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113
sys/compat/sunos/sunos_ioctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: sunos_ioctl.c,v 1.27 1997/10/19 20:59:32 is Exp $ */
/* $NetBSD: sunos_ioctl.c,v 1.28 1997/12/11 09:52:57 pk Exp $ */
/*
* Copyright (c) 1993 Markus Wild.
@ -46,6 +46,7 @@
#include <sys/syscallargs.h>
#include <compat/sunos/sunos.h>
#include <compat/sunos/sunos_syscallargs.h>
#include <compat/sunos/sunos_util.h>
/*
* SunOS ioctl calls.
@ -821,6 +822,77 @@ sunos_sys_ioctl(p, v, retval)
#define SUN_F_CNVT 12
#define SUN_F_RSETLKW 13
/* SunOS flock translation */
struct sunos_flock {
short l_type;
short l_whence;
long l_start;
long l_len;
short l_pid;
short l_xxx;
};
static void bsd_to_sunos_flock __P((struct flock *, struct sunos_flock *));
static void sunos_to_bsd_flock __P((struct sunos_flock *, struct flock *));
#define SUNOS_F_RDLCK 1
#define SUNOS_F_WRLCK 2
#define SUNOS_F_UNLCK 3
static void
bsd_to_sunos_flock(iflp, oflp)
struct flock *iflp;
struct sunos_flock *oflp;
{
switch (iflp->l_type) {
case F_RDLCK:
oflp->l_type = SUNOS_F_RDLCK;
break;
case F_WRLCK:
oflp->l_type = SUNOS_F_WRLCK;
break;
case F_UNLCK:
oflp->l_type = SUNOS_F_UNLCK;
break;
default:
oflp->l_type = -1;
break;
}
oflp->l_whence = (short) iflp->l_whence;
oflp->l_start = (long) iflp->l_start;
oflp->l_len = (long) iflp->l_len;
oflp->l_pid = (short) iflp->l_pid;
oflp->l_xxx = 0;
}
static void
sunos_to_bsd_flock(iflp, oflp)
struct sunos_flock *iflp;
struct flock *oflp;
{
switch (iflp->l_type) {
case SUNOS_F_RDLCK:
oflp->l_type = F_RDLCK;
break;
case SUNOS_F_WRLCK:
oflp->l_type = F_WRLCK;
break;
case SUNOS_F_UNLCK:
oflp->l_type = F_UNLCK;
break;
default:
oflp->l_type = -1;
break;
}
oflp->l_whence = iflp->l_whence;
oflp->l_start = (off_t) iflp->l_start;
oflp->l_len = (off_t) iflp->l_len;
oflp->l_pid = (pid_t) iflp->l_pid;
}
static struct {
long sun_flg;
long bsd_flg;
@ -866,6 +938,45 @@ sunos_sys_fcntl(p, v, retval)
SCARG(uap, arg) = (void *)flg;
break;
case F_GETLK:
case F_SETLK:
case F_SETLKW:
{
int error;
struct sunos_flock ifl;
struct flock *flp, fl;
caddr_t sg = stackgap_init(p->p_emul);
struct sys_fcntl_args fa;
SCARG(&fa, fd) = SCARG(uap, fd);
SCARG(&fa, cmd) = SCARG(uap, cmd);
flp = stackgap_alloc(&sg, sizeof(struct flock));
SCARG(&fa, arg) = (void *) flp;
error = copyin(SCARG(uap, arg), &ifl, sizeof ifl);
if (error)
return error;
sunos_to_bsd_flock(&ifl, &fl);
error = copyout(&fl, flp, sizeof fl);
if (error)
return error;
error = sys_fcntl(p, &fa, retval);
if (error || SCARG(&fa, cmd) != F_GETLK)
return error;
error = copyin(flp, &fl, sizeof fl);
if (error)
return error;
bsd_to_sunos_flock(&fl, &ifl);
return copyout(&ifl, SCARG(uap, arg), sizeof ifl);
}
break;
case SUN_F_RGETLK:
case SUN_F_RSETLK:
case SUN_F_CNVT: