[thirdparty/systemd.git] / src / shared / nsflags.h

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

/***
  This file is part of systemd.

  Copyright 2016 Lennart Poettering
***/

#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))

#define NAMESPACE_FLAGS_INITIAL  ((unsigned long) -1)

int namespace_flags_from_string(const char *name, unsigned long *ret);
int namespace_flags_to_string(unsigned long flags, char **ret);

struct namespace_flag_map {
        unsigned long flag;
        const char *name;
};

extern const struct namespace_flag_map namespace_flag_map[];
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
add00535 LP	2	#pragma once
	3
	4	/***
	5	This file is part of systemd.
	6
	7	Copyright 2016 Lennart Poettering
add00535 LP	8	***/
	9
	10	#include <sched.h>
	11
	12	#include "missing.h"
	13
	14	/* The combination of all namespace flags defined by the kernel. The right type for this isn't clear. setns() and
	15	* unshare() expect these flags to be passed as (signed) "int", while clone() wants them as "unsigned long". The latter
	16	* is definitely more appropriate for a flags parameter, and also the larger type of the two, hence let's stick to that
	17	* here. */
	18	#define NAMESPACE_FLAGS_ALL \
	19	((unsigned long) (CLONE_NEWCGROUP\| \
	20	CLONE_NEWIPC\| \
	21	CLONE_NEWNET\| \
	22	CLONE_NEWNS\| \
	23	CLONE_NEWPID\| \
	24	CLONE_NEWUSER\| \
	25	CLONE_NEWUTS))
	26
aa9d574d YW	27	#define NAMESPACE_FLAGS_INITIAL ((unsigned long) -1)
aa9d574d YW	28
86c2a9f1 YW	29	int namespace_flags_from_string(const char name, unsigned long ret);
86c2a9f1 YW	30	int namespace_flags_to_string(unsigned long flags, char **ret);
add00535 LP	31
	32	struct namespace_flag_map {
	33	unsigned long flag;
	34	const char *name;
	35	};
	36
	37	extern const struct namespace_flag_map namespace_flag_map[];