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Code Issues Releases Activity

The kernel is not exporting any "T,dev_t" sysctl nodes anymore, so

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remove the capability and mention from sysctl(8).
This commit is contained in:
Matthew D Fleming 2011-01-17 23:36:53 +00:00
parent 3470949a74
commit 5bf6a94016
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=217521
2 changed files with 2 additions and 56 deletions
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16
sbin/sysctl/sysctl.8
View File

@ -134,9 +134,7 @@ few bytes.
.Pp
The information available from
.Nm
consists of integers, strings, devices
.Pq Vt dev_t ,
and opaque types.
consists of integers, strings, and opaque types.
The
.Nm
utility
@ -165,17 +163,8 @@ For a detailed description of these variable see
.Pp
The changeable column indicates whether a process with appropriate
privilege can change the value.
String, integer, and devices values can be set using
String, and integer values can be set using
.Nm .
For device values,
.Ar value
can be specified as a character device special file name.
Special values
.Cm off
and
.Cm none
denote
.Dq no device .
.Bl -column security.bsd.unprivileged_read_msgbuf integerxxx
.It Sy "Name Type Changeable
.It "kern.ostype string no
@ -220,7 +209,6 @@ denote
.It "hw.floatingpoint integer no
.It "hw.machine_arch string no
.It "hw.realmem integer no
.It "machdep.console_device dev_t no
.It "machdep.adjkerntz integer yes
.It "machdep.disable_rtc_set integer yes
.It "machdep.guessed_bootdev string no

42
sbin/sysctl/sysctl.c
View File

@ -67,7 +67,6 @@ static int show_var(int *, int);
static int sysctl_all(int *oid, int len);
static int name2oid(char *, int *);
static void set_T_dev_t(char *, void **, size_t *);
static int set_IK(const char *, int *);
static void
@ -287,10 +286,6 @@ parse(char *string)
newsize = sizeof(quadval);
break;
case CTLTYPE_OPAQUE:
if (strcmp(fmt, "T,dev_t") == 0) {
set_T_dev_t (newval, &newval, &newsize);
break;
}
/* FALLTHROUGH */
default:
errx(1, "oid '%s' is type %d,"
@ -419,40 +414,6 @@ S_vmtotal(int l2, void *p)
return (0);
}
static int
T_dev_t(int l2, void *p)
{
dev_t *d = (dev_t *)p;
if (l2 != sizeof(*d)) {
warnx("T_dev_T %d != %zu", l2, sizeof(*d));
return (1);
}
printf("%s", devname(*d, S_IFCHR));
return (0);
}
static void
set_T_dev_t(char *path, void **val, size_t *size)
{
static struct stat statb;
if (strcmp(path, "none") && strcmp(path, "off")) {
int rc = stat (path, &statb);
if (rc) {
err(1, "cannot stat %s", path);
}
if (!S_ISCHR(statb.st_mode)) {
errx(1, "must specify a device special file.");
}
} else {
statb.st_rdev = NODEV;
}
*val = (void *) &statb.st_rdev;
*size = sizeof(statb.st_rdev);
}
static int
set_IK(const char *str, int *val)
{
@ -675,7 +636,6 @@ show_var(int *oid, int nlen)
free(oval);
return (0);
case 'T':
case 'S':
i = 0;
if (strcmp(fmt, "S,clockinfo") == 0)
@ -686,8 +646,6 @@ show_var(int *oid, int nlen)
func = S_loadavg;
else if (strcmp(fmt, "S,vmtotal") == 0)
func = S_vmtotal;
else if (strcmp(fmt, "T,dev_t") == 0)
func = T_dev_t;
else
func = NULL;
if (func) {