chiark / gitweb /
tree-wide: drop 'This file is part of systemd' blurb
[elogind.git] / src / shared / nsflags.h
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2 #pragma once
3
4 /***
5   Copyright 2016 Lennart Poettering
6 ***/
7
8 #include <sched.h>
9
10 #include "missing.h"
11
12 /* The combination of all namespace flags defined by the kernel. The right type for this isn't clear. setns() and
13  * unshare() expect these flags to be passed as (signed) "int", while clone() wants them as "unsigned long". The latter
14  * is definitely more appropriate for a flags parameter, and also the larger type of the two, hence let's stick to that
15  * here. */
16 #define NAMESPACE_FLAGS_ALL                                             \
17         ((unsigned long) (CLONE_NEWCGROUP|                              \
18                           CLONE_NEWIPC|                                 \
19                           CLONE_NEWNET|                                 \
20                           CLONE_NEWNS|                                  \
21                           CLONE_NEWPID|                                 \
22                           CLONE_NEWUSER|                                \
23                           CLONE_NEWUTS))
24
25 #if 0 /// UNNEEDED by elogind
26 #endif // 0
27 #define NAMESPACE_FLAGS_INITIAL  ((unsigned long) -1)
28
29 int namespace_flags_from_string(const char *name, unsigned long *ret);
30 int namespace_flags_to_string(unsigned long flags, char **ret);
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[];