include/namespace.h

   1 /* Compat code so unshare and setns can be used with older libcs */
   2 #ifndef UTIL_LINUX_NAMESPACE_H
   3 # define UTIL_LINUX_NAMESPACE_H
   4
   5 # include <sched.h>
   6
   7 # ifndef CLONE_NEWNS
   8 #  define CLONE_NEWNS 0x00020000
   9 # endif
  10 # ifndef CLONE_NEWCGROUP
  11 #  define CLONE_NEWCGROUP 0x02000000
  12 # endif
  13 # ifndef CLONE_NEWUTS
  14 #  define CLONE_NEWUTS 0x04000000
  15 # endif
  16 # ifndef CLONE_NEWIPC
  17 #  define CLONE_NEWIPC 0x08000000
  18 # endif
  19 # ifndef CLONE_NEWNET
  20 #  define CLONE_NEWNET 0x40000000
  21 # endif
  22 # ifndef CLONE_NEWUSER
  23 #  define CLONE_NEWUSER 0x10000000
  24 # endif
  25 # ifndef CLONE_NEWPID
  26 #  define CLONE_NEWPID 0x20000000
  27 # endif
  28
  29 # if !defined(HAVE_UNSHARE) || !defined(HAVE_SETNS)
  30 #  include <sys/syscall.h>
  31 # endif
  32
  33 # if !defined(HAVE_UNSHARE) && defined(SYS_unshare)
  34 static inline int unshare(int flags)
  35 {
  36         return syscall(SYS_unshare, flags);
  37 }
  38 # endif
  39
  40 # if !defined(HAVE_SETNS) && defined(SYS_setns)
  41 static inline int setns(int fd, int nstype)
  42 {
  43         return syscall(SYS_setns, fd, nstype);
  44 }
  45 # endif
  46
  47 #endif  /* UTIL_LINUX_NAMESPACE_H */