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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
This file is part of systemd.
Copyright 2016 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <sched.h>
#include "missing.h"
/* The combination of all namespace flags defined by the kernel. The right type for this isn't clear. setns() and
* unshare() expect these flags to be passed as (signed) "int", while clone() wants them as "unsigned long". The latter
* is definitely more appropriate for a flags parameter, and also the larger type of the two, hence let's stick to that
* here. */
#define NAMESPACE_FLAGS_ALL \
((unsigned long) (CLONE_NEWCGROUP| \
CLONE_NEWIPC| \
CLONE_NEWNET| \
CLONE_NEWNS| \
CLONE_NEWPID| \
CLONE_NEWUSER| \
CLONE_NEWUTS))
const char* namespace_flag_to_string(unsigned long flag);
unsigned long namespace_flag_from_string(const char *name);
int namespace_flag_from_string_many(const char *name, unsigned long *ret);
int namespace_flag_to_string_many(unsigned long flags, char **ret);
static inline int namespace_flag_to_string_many_with_check(unsigned long n, char **s) {
if ((n & NAMESPACE_FLAGS_ALL) != n)
return -EINVAL;
return namespace_flag_to_string_many(n, s);
}
struct namespace_flag_map {
unsigned long flag;
const char *name;
};
extern const struct namespace_flag_map namespace_flag_map[];
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