Differential D12545 Diff 33718 head/sys/kern/kern_sysctl.c

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head/sys/kern/kern_sysctl.c

Show First 20 Lines • Show All 504 Lines • ▼ Show 20 Lines	#endif
/* only fetch value once */		/* only fetch value once */
oidp->oid_kind \|= CTLFLAG_NOFETCH;		oidp->oid_kind \|= CTLFLAG_NOFETCH;
/* try to fetch value from kernel environment */		/* try to fetch value from kernel environment */
sysctl_load_tunable_by_oid_locked(oidp);		sysctl_load_tunable_by_oid_locked(oidp);
}		}
}		}

void		void
		sysctl_register_disabled_oid(struct sysctl_oid *oidp)
		{

		/*
		* Mark the leaf as dormant if it's not to be immediately enabled.
		* We do not disable nodes as they can be shared between modules
		* and it is always safe to access a node.
		*/
		KASSERT((oidp->oid_kind & CTLFLAG_DORMANT) == 0,
		("internal flag is set in oid_kind"));
		if ((oidp->oid_kind & CTLTYPE) != CTLTYPE_NODE)
		oidp->oid_kind \|= CTLFLAG_DORMANT;
		sysctl_register_oid(oidp);
		}

		void
		sysctl_enable_oid(struct sysctl_oid *oidp)
		{

		SYSCTL_ASSERT_WLOCKED();
		if ((oidp->oid_kind & CTLTYPE) == CTLTYPE_NODE) {
		KASSERT((oidp->oid_kind & CTLFLAG_DORMANT) == 0,
		("sysctl node is marked as dormant"));
		return;
		}
		KASSERT((oidp->oid_kind & CTLFLAG_DORMANT) != 0,
		("enabling already enabled sysctl oid"));
		oidp->oid_kind &= ~CTLFLAG_DORMANT;
		}

		void
sysctl_unregister_oid(struct sysctl_oid *oidp)		sysctl_unregister_oid(struct sysctl_oid *oidp)
{		{
struct sysctl_oid *p;		struct sysctl_oid *p;
int error;		int error;

SYSCTL_ASSERT_WLOCKED();		SYSCTL_ASSERT_WLOCKED();
error = ENOENT;		error = ENOENT;
if (oidp->oid_number == OID_AUTO) {		if (oidp->oid_number == OID_AUTO) {
▲ Show 20 Lines • Show All 531 Lines • ▼ Show 20 Lines	sysctl_sysctl_next_ls(struct sysctl_oid_list lsp, int name, u_int namelen,
struct sysctl_oid *oidp;		struct sysctl_oid *oidp;

SYSCTL_ASSERT_LOCKED();		SYSCTL_ASSERT_LOCKED();
*len = level;		*len = level;
SLIST_FOREACH(oidp, lsp, oid_link) {		SLIST_FOREACH(oidp, lsp, oid_link) {
*next = oidp->oid_number;		*next = oidp->oid_number;
*oidpp = oidp;		*oidpp = oidp;

if (oidp->oid_kind & CTLFLAG_SKIP)		if ((oidp->oid_kind & (CTLFLAG_SKIP \| CTLFLAG_DORMANT)) != 0)
continue;		continue;

if (!namelen) {		if (!namelen) {
if ((oidp->oid_kind & CTLTYPE) != CTLTYPE_NODE)		if ((oidp->oid_kind & CTLTYPE) != CTLTYPE_NODE)
return (0);		return (0);
if (oidp->oid_handler)		if (oidp->oid_handler)
/* We really should call the handler here...*/		/* We really should call the handler here...*/
return (0);		return (0);
▲ Show 20 Lines • Show All 804 Lines • ▼ Show 20 Lines	if ((oid->oid_kind & CTLTYPE) == CTLTYPE_NODE) {
if (nindx != NULL)		if (nindx != NULL)
*nindx = indx;		*nindx = indx;
KASSERT((oid->oid_kind & CTLFLAG_DYING) == 0,		KASSERT((oid->oid_kind & CTLFLAG_DYING) == 0,
("%s found DYING node %p", __func__, oid));		("%s found DYING node %p", __func__, oid));
return (0);		return (0);
}		}
lsp = SYSCTL_CHILDREN(oid);		lsp = SYSCTL_CHILDREN(oid);
} else if (indx == namelen) {		} else if (indx == namelen) {
		if ((oid->oid_kind & CTLFLAG_DORMANT) != 0)
		return (ENOENT);
*noid = oid;		*noid = oid;
if (nindx != NULL)		if (nindx != NULL)
*nindx = indx;		*nindx = indx;
KASSERT((oid->oid_kind & CTLFLAG_DYING) == 0,		KASSERT((oid->oid_kind & CTLFLAG_DYING) == 0,
("%s found DYING node %p", __func__, oid));		("%s found DYING node %p", __func__, oid));
return (0);		return (0);
} else {		} else {
return (ENOTDIR);		return (ENOTDIR);
▲ Show 20 Lines • Show All 253 Lines • Show Last 20 Lines