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

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

#include "missing_sched.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  (ULONG_MAX)

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

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

extern const struct namespace_flag_map namespace_flag_map[];
Commit	Line	Data
db9ecf05	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
add00535 LP	2	#pragma once
add00535 LP	3
89382935	4	#include "missing_sched.h"
add00535 LP	5
	6	/* The combination of all namespace flags defined by the kernel. The right type for this isn't clear. setns() and
	7	* unshare() expect these flags to be passed as (signed) "int", while clone() wants them as "unsigned long". The latter
	8	* is definitely more appropriate for a flags parameter, and also the larger type of the two, hence let's stick to that
	9	* here. */
	10	#define NAMESPACE_FLAGS_ALL \
	11	((unsigned long) (CLONE_NEWCGROUP\| \
	12	CLONE_NEWIPC\| \
	13	CLONE_NEWNET\| \
	14	CLONE_NEWNS\| \
	15	CLONE_NEWPID\| \
	16	CLONE_NEWUSER\| \
	17	CLONE_NEWUTS))
	18
f5fbe71d	19	#define NAMESPACE_FLAGS_INITIAL (ULONG_MAX)
aa9d574d	20
86c2a9f1 YW	21	int namespace_flags_from_string(const char name, unsigned long ret);
86c2a9f1 YW	22	int namespace_flags_to_string(unsigned long flags, char **ret);
54c2459d	23	const char *namespace_single_flag_to_string(unsigned long flag);
add00535 LP	24
	25	struct namespace_flag_map {
	26	unsigned long flag;
	27	const char *name;
	28	};
	29
	30	extern const struct namespace_flag_map namespace_flag_map[];