src/shared/nsflags.h

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