chiark / gitweb /
509a3240c67d7307e65476802e02b701d21eec3d
[elogind.git] / src / shared / nsflags.h
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2 #pragma once
3
4 /***
5   This file is part of systemd.
6
7   Copyright 2016 Lennart Poettering
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
27 #if 0 /// UNNEEDED by elogind
28 #endif // 0
29 #define NAMESPACE_FLAGS_INITIAL  ((unsigned long) -1)
30
31 int namespace_flags_from_string(const char *name, unsigned long *ret);
32 int namespace_flags_to_string(unsigned long flags, char **ret);
33
34 struct namespace_flag_map {
35         unsigned long flag;
36         const char *name;
37 };
38
39 extern const struct namespace_flag_map namespace_flag_map[];