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43 lines
930 B
C
43 lines
930 B
C
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/*
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* Copyright (C) 2004 IBM Corporation
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*
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* Author: Serge Hallyn <serue@us.ibm.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2 of the
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* License.
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*/
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#include <linux/module.h>
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#include <linux/uts.h>
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#include <linux/utsname.h>
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#include <linux/version.h>
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/*
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* Copy task tsk's utsname namespace, or clone it if flags
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* specifies CLONE_NEWUTS. In latter case, changes to the
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* utsname of this process won't be seen by parent, and vice
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* versa.
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*/
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int copy_utsname(int flags, struct task_struct *tsk)
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{
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struct uts_namespace *old_ns = tsk->nsproxy->uts_ns;
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int err = 0;
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if (!old_ns)
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return 0;
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get_uts_ns(old_ns);
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return err;
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}
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void free_uts_ns(struct kref *kref)
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{
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struct uts_namespace *ns;
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ns = container_of(kref, struct uts_namespace, kref);
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kfree(ns);
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}
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