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add support for kernel profiling; add sysctl_struct; eliminate trailing blanks
[unix-history]
/
usr
/
src
/
sys
/
kern
/
tty_tty.c
diff --git
a/usr/src/sys/kern/tty_tty.c
b/usr/src/sys/kern/tty_tty.c
index
7fb68d7
..
37f7ad5
100644
(file)
--- a/
usr/src/sys/kern/tty_tty.c
+++ b/
usr/src/sys/kern/tty_tty.c
@@
-1,56
+1,57
@@
-/*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
+/*-
+ * Copyright (c) 1982, 1986, 1991 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * %sccs.include.redist.c%
*
*
- * @(#)tty_tty.c 7.
9
(Berkeley) %G%
+ * @(#)tty_tty.c 7.
20
(Berkeley) %G%
*/
/*
* Indirect driver for controlling tty.
*/
*/
/*
* Indirect driver for controlling tty.
*/
-#include "param.h"
-#include "systm.h"
-#include "conf.h"
-#include "user.h"
-#include "ioctl.h"
-#include "tty.h"
-#include "proc.h"
-#include "vnode.h"
-#include "file.h"
-#include "uio.h"
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/ioctl.h>
+#include <sys/proc.h>
+#include <sys/tty.h>
+#include <sys/vnode.h>
+#include <sys/file.h>
#define cttyvp(p) ((p)->p_flag&SCTTY ? (p)->p_session->s_ttyvp : NULL)
/*ARGSUSED*/
#define cttyvp(p) ((p)->p_flag&SCTTY ? (p)->p_session->s_ttyvp : NULL)
/*ARGSUSED*/
-
syopen(dev, flag
)
+
cttyopen(dev, flag, mode, p
)
dev_t dev;
dev_t dev;
- int flag;
+ int flag, mode;
+ struct proc *p;
{
{
- struct vnode *ttyvp = cttyvp(
u.u_proc
p);
+ struct vnode *ttyvp = cttyvp(p);
int error;
if (ttyvp == NULL)
return (ENXIO);
VOP_LOCK(ttyvp);
error = VOP_ACCESS(ttyvp,
int error;
if (ttyvp == NULL)
return (ENXIO);
VOP_LOCK(ttyvp);
error = VOP_ACCESS(ttyvp,
- (flag&FREAD ? VREAD : 0) | (flag&FWRITE ? VWRITE : 0), u.u_cred);
+ (flag&FREAD ? VREAD : 0) | (flag&FWRITE ? VWRITE : 0), p->p_ucred, p);
+ if (!error)
+ error = VOP_OPEN(ttyvp, flag, NOCRED, p);
VOP_UNLOCK(ttyvp);
VOP_UNLOCK(ttyvp);
- if (error)
- return (error);
- return (VOP_OPEN(ttyvp, flag, NOCRED));
+ return (error);
}
/*ARGSUSED*/
}
/*ARGSUSED*/
-
s
yread(dev, uio, flag)
+
ctt
yread(dev, uio, flag)
dev_t dev;
struct uio *uio;
dev_t dev;
struct uio *uio;
+ int flag;
{
{
- register struct vnode *ttyvp = cttyvp(u
.u
_procp);
+ register struct vnode *ttyvp = cttyvp(u
io->uio
_procp);
int error;
if (ttyvp == NULL)
int error;
if (ttyvp == NULL)
- return (E
NX
IO);
+ return (EIO);
VOP_LOCK(ttyvp);
error = VOP_READ(ttyvp, uio, flag, NOCRED);
VOP_UNLOCK(ttyvp);
VOP_LOCK(ttyvp);
error = VOP_READ(ttyvp, uio, flag, NOCRED);
VOP_UNLOCK(ttyvp);
@@
-58,15
+59,16
@@
syread(dev, uio, flag)
}
/*ARGSUSED*/
}
/*ARGSUSED*/
-
s
ywrite(dev, uio, flag)
+
ctt
ywrite(dev, uio, flag)
dev_t dev;
struct uio *uio;
dev_t dev;
struct uio *uio;
+ int flag;
{
{
- register struct vnode *ttyvp = cttyvp(u
.u
_procp);
+ register struct vnode *ttyvp = cttyvp(u
io->uio
_procp);
int error;
if (ttyvp == NULL)
int error;
if (ttyvp == NULL)
- return (E
NX
IO);
+ return (EIO);
VOP_LOCK(ttyvp);
error = VOP_WRITE(ttyvp, uio, flag, NOCRED);
VOP_UNLOCK(ttyvp);
VOP_LOCK(ttyvp);
error = VOP_WRITE(ttyvp, uio, flag, NOCRED);
VOP_UNLOCK(ttyvp);
@@
-74,34
+76,36
@@
sywrite(dev, uio, flag)
}
/*ARGSUSED*/
}
/*ARGSUSED*/
-
syioctl(dev, cmd, addr, flag
)
+
cttyioctl(dev, cmd, addr, flag, p
)
dev_t dev;
int cmd;
caddr_t addr;
int flag;
dev_t dev;
int cmd;
caddr_t addr;
int flag;
+ struct proc *p;
{
{
- struct vnode *ttyvp = cttyvp(
u.u_proc
p);
+ struct vnode *ttyvp = cttyvp(p);
if (ttyvp == NULL)
if (ttyvp == NULL)
- return (E
NX
IO);
+ return (EIO);
if (cmd == TIOCNOTTY) {
if (cmd == TIOCNOTTY) {
- if (!SESS_LEADER(
u.u_proc
p)) {
-
u.u_proc
p->p_flag &= ~SCTTY;
+ if (!SESS_LEADER(p)) {
+ p->p_flag &= ~SCTTY;
return (0);
} else
return (EINVAL);
}
return (0);
} else
return (EINVAL);
}
- return (VOP_IOCTL(ttyvp, cmd, addr, flag, NOCRED));
+ return (VOP_IOCTL(ttyvp, cmd, addr, flag, NOCRED
, p
));
}
/*ARGSUSED*/
}
/*ARGSUSED*/
-
syselect(dev, flag
)
+
cttyselect(dev, flag, p
)
dev_t dev;
int flag;
dev_t dev;
int flag;
+ struct proc *p;
{
{
- struct vnode *ttyvp = cttyvp(
u.u_proc
p);
+ struct vnode *ttyvp = cttyvp(p);
if (ttyvp == NULL)
return (1); /* try operation to get EOF/failure */
if (ttyvp == NULL)
return (1); /* try operation to get EOF/failure */
- return (VOP_SELECT(ttyvp, flag, FREAD|FWRITE, NOCRED));
+ return (VOP_SELECT(ttyvp, flag, FREAD|FWRITE, NOCRED
, p
));
}
}