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Implement ioctl's IBCS2_TCFLSH and IBCS2_TCXONC. Improve termios conversion.

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Implement xenix_eaccess() system call.

Obtained from: NetBSD
This commit is contained in:
Steven Wallace 1996-03-28 19:53:21 +00:00
parent c322304792
commit 2983151216
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=14885
5 changed files with 96 additions and 17 deletions
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62
sys/i386/ibcs2/ibcs2_ioctl.c
View File

@ -210,10 +210,15 @@ stios2btios(st, bt)
st->c_cc[IBCS2_VERASE] ? st->c_cc[IBCS2_VERASE] : _POSIX_VDISABLE;
bt->c_cc[VKILL] =
st->c_cc[IBCS2_VKILL] ? st->c_cc[IBCS2_VKILL] : _POSIX_VDISABLE;
bt->c_cc[VEOF] =
st->c_cc[IBCS2_VEOF] ? st->c_cc[IBCS2_VEOF] : _POSIX_VDISABLE;
bt->c_cc[VEOL] =
st->c_cc[IBCS2_VEOL] ? st->c_cc[IBCS2_VEOL] : _POSIX_VDISABLE;
if (bt->c_lflag & ICANON) {
bt->c_cc[VEOF] =
st->c_cc[IBCS2_VEOF] ? st->c_cc[IBCS2_VEOF] : _POSIX_VDISABLE;
bt->c_cc[VEOL] =
st->c_cc[IBCS2_VEOL] ? st->c_cc[IBCS2_VEOL] : _POSIX_VDISABLE;
} else {
bt->c_cc[VMIN] = st->c_cc[IBCS2_VMIN];
bt->c_cc[VTIME] = st->c_cc[IBCS2_VTIME];
}
bt->c_cc[VEOL2] =
st->c_cc[IBCS2_VEOL2] ? st->c_cc[IBCS2_VEOL2] : _POSIX_VDISABLE;
#if 0
@ -301,10 +306,15 @@ btios2stios(bt, st)
bt->c_cc[VERASE] != _POSIX_VDISABLE ? bt->c_cc[VERASE] : 0;
st->c_cc[IBCS2_VKILL] =
bt->c_cc[VKILL] != _POSIX_VDISABLE ? bt->c_cc[VKILL] : 0;
st->c_cc[IBCS2_VEOF] =
bt->c_cc[VEOF] != _POSIX_VDISABLE ? bt->c_cc[VEOF] : 0;
st->c_cc[IBCS2_VEOL] =
bt->c_cc[VEOL] != _POSIX_VDISABLE ? bt->c_cc[VEOL] : 0;
if (bt->c_lflag & ICANON) {
st->c_cc[IBCS2_VEOF] =
bt->c_cc[VEOF] != _POSIX_VDISABLE ? bt->c_cc[VEOF] : 0;
st->c_cc[IBCS2_VEOL] =
bt->c_cc[VEOL] != _POSIX_VDISABLE ? bt->c_cc[VEOL] : 0;
} else {
st->c_cc[IBCS2_VMIN] = bt->c_cc[VMIN];
st->c_cc[IBCS2_VTIME] = bt->c_cc[VTIME];
}
st->c_cc[IBCS2_VEOL2] =
bt->c_cc[VEOL2] != _POSIX_VDISABLE ? bt->c_cc[VEOL2] : 0;
st->c_cc[IBCS2_VSWTCH] =
@ -470,12 +480,40 @@ ibcs2_ioctl(p, uap, retval)
return ENOSYS;
case IBCS2_TCXONC:
DPRINTF(("ibcs2_ioctl(%d): TCXONC ", p->p_pid));
return ENOSYS;
{
switch ((int)SCARG(uap, data)) {
case 0:
case 1:
DPRINTF(("ibcs2_ioctl(%d): TCXONC ", p->p_pid));
return ENOSYS;
case 2:
return (*ctl)(fp, TIOCSTOP, (caddr_t)0, p);
case 3:
return (*ctl)(fp, TIOCSTART, (caddr_t)1, p);
default:
return EINVAL;
}
}
case IBCS2_TCFLSH:
DPRINTF(("ibcs2_ioctl(%d): TCFLSH ", p->p_pid));
return ENOSYS;
{
int arg;
switch ((int)SCARG(uap, data)) {
case 0:
arg = FREAD;
break;
case 1:
arg = FWRITE;
break;
case 2:
arg = FREAD | FWRITE;
break;
default:
return EINVAL;
}
return (*ctl)(fp, TIOCFLUSH, (caddr_t)&arg, p);
}
case IBCS2_TIOCGWINSZ:
SCARG(uap, cmd) = TIOCGWINSZ;

41
sys/i386/ibcs2/ibcs2_xenix.c
View File

@ -27,11 +27,12 @@
* (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: ibcs2_xenix.c,v 1.2 1995/02/03 21:31:35 bde Exp $
* $Id: ibcs2_xenix.c,v 1.6 1995/10/10 07:59:19 swallace Exp $
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/sysproto.h>
#include <sys/kernel.h>
#include <sys/exec.h>
@ -50,6 +51,7 @@
#include <machine/reg.h>
#include <i386/ibcs2/ibcs2_types.h>
#include <i386/ibcs2/ibcs2_unistd.h>
#include <i386/ibcs2/ibcs2_signal.h>
#include <i386/ibcs2/ibcs2_util.h>
#include <i386/ibcs2/ibcs2_proto.h>
@ -144,7 +146,7 @@ xenix_nap(struct proc *p, struct xenix_nap_args *uap, int *retval)
}
int
xenix_utsname(struct proc *p, struct xenix_utsname_args *args, int *retval)
xenix_utsname(struct proc *p, struct xenix_utsname_args *uap, int *retval)
{
struct ibcs2_sco_utsname {
char sysname[9];
@ -173,7 +175,7 @@ xenix_utsname(struct proc *p, struct xenix_utsname_args *args, int *retval)
ibcs2_sco_uname.sysorigin = 0xFFFF;
ibcs2_sco_uname.sysoem = 0xFFFF;
ibcs2_sco_uname.numcpu = 1;
return copyout((caddr_t)&ibcs2_sco_uname, (caddr_t)args->addr,
return copyout((caddr_t)&ibcs2_sco_uname, (caddr_t)uap->addr,
sizeof(struct ibcs2_sco_utsname));
}
@ -184,3 +186,36 @@ xenix_scoinfo(struct proc *p, struct xenix_scoinfo_args *uap, int *retval)
*retval = 0;
return 0;
}
int
xenix_eaccess(struct proc *p, struct xenix_eaccess_args *uap, int *retval)
{
struct ucred *cred = p->p_ucred;
struct vnode *vp;
struct nameidata nd;
int error, flags;
caddr_t sg = stackgap_init();
CHECKALTEXIST(p, &sg, SCARG(uap, path));
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
SCARG(uap, path), p);
if (error = namei(&nd))
return error;
vp = nd.ni_vp;
/* Flags == 0 means only check for existence. */
if (SCARG(uap, flags)) {
flags = 0;
if (SCARG(uap, flags) & IBCS2_R_OK)
flags |= VREAD;
if (SCARG(uap, flags) & IBCS2_W_OK)
flags |= VWRITE;
if (SCARG(uap, flags) & IBCS2_X_OK)
flags |= VEXEC;
if ((flags & VWRITE) == 0 || (error = vn_writechk(vp)) == 0)
error = VOP_ACCESS(vp, flags, cred, p);
}
vput(vp);
return error;
}

5
sys/i386/ibcs2/ibcs2_xenix.h
View File

@ -28,6 +28,10 @@ struct xenix_nap_args {
struct xenix_scoinfo_args {
int dummy;
};
struct xenix_eaccess_args {
char * path;
int flags;
};
struct ibcs2_sigaction_args {
int sig;
struct ibcs2_sigaction * act;
@ -75,6 +79,7 @@ int xenix_chsize __P((struct proc *, struct xenix_chsize_args *, int []));
int xenix_ftime __P((struct proc *, struct xenix_ftime_args *, int []));
int xenix_nap __P((struct proc *, struct xenix_nap_args *, int []));
int xenix_scoinfo __P((struct proc *, struct xenix_scoinfo_args *, int []));
int xenix_eaccess __P((struct proc *, struct xenix_eaccess_args *, int []));
int ibcs2_sigaction __P((struct proc *, struct ibcs2_sigaction_args *, int []));
int ibcs2_sigprocmask __P((struct proc *, struct ibcs2_sigprocmask_args *, int []));
int ibcs2_sigpending __P((struct proc *, struct ibcs2_sigpending_args *, int []));

1
sys/i386/ibcs2/ibcs2_xenix_syscall.h
View File

@ -11,6 +11,7 @@
#define IBCS2_XENIX_xenix_nap 12
#define IBCS2_XENIX_xenix_scoinfo 21
#define IBCS2_XENIX_select 36
#define IBCS2_XENIX_xenix_eaccess 37
#define IBCS2_XENIX_ibcs2_sigaction 39
#define IBCS2_XENIX_ibcs2_sigprocmask 40
#define IBCS2_XENIX_ibcs2_sigpending 41

4
sys/i386/ibcs2/syscalls.xenix
View File

@ -1,4 +1,4 @@
$Id: syscalls.xenix,v 1.1 1995/10/06 15:12:52 swallace Exp $
$Id: syscalls.xenix,v 1.1 1995/10/10 07:59:29 swallace Exp $
#include <sys/types.h>
#include <sys/param.h>
@ -47,7 +47,7 @@
35 UNIMPL XENIX nosys
36 NOPROTO XENIX { int select(u_int nd, fd_set *in, fd_set *ou, \
fd_set *ex, struct timeval *tv); }
37 UNIMPL XENIX xenix_eaccess
37 STD XENIX { int xenix_eaccess(char *path, int flags); }
38 UNIMPL XENIX xenix_paccess
39 STD XENIX { int ibcs2_sigaction(int sig, \
struct ibcs2_sigaction *act, \