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| author | bigbiff bigbiff <bigbiff@teamw.in> | 2013-02-23 02:55:50 +0100 |
|---|---|---|
| committer | bigbiff bigbiff <bigbiff@teamw.in> | 2013-02-25 15:06:46 +0100 |
| commit | e60683a0d553b6488c564863f4e48954944fb0f8 (patch) | |
| tree | 9364f97cb88b7c1359f5f06dfb32150a78168c31 /libblkid/namespace.h | |
| parent | Fix building of updater for 4.2 environment (diff) | |
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Diffstat (limited to 'libblkid/namespace.h')
| -rw-r--r-- | libblkid/namespace.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libblkid/namespace.h b/libblkid/namespace.h new file mode 100644 index 000000000..3a219ceba --- /dev/null +++ b/libblkid/namespace.h @@ -0,0 +1,42 @@ +/* Compat code so unshare and setns can be used with older libcs */ +#ifndef UTIL_LINUX_NAMESPACE_H +# define UTIL_LINUX_NAMESPACE_H + +# include <sched.h> + +# ifndef CLONE_NEWSNS +# define CLONE_NEWNS 0x00020000 +# endif +# ifndef CLONE_NEWUTS +# define CLONE_NEWUTS 0x04000000 +# endif +# ifndef CLONE_NEWIPC +# define CLONE_NEWIPC 0x08000000 +# endif +# ifndef CLONE_NEWNET +# define CLONE_NEWNET 0x40000000 +# endif +# ifndef CLONE_NEWUSER +# define CLONE_NEWUSER 0x10000000 +# endif +# ifndef CLONE_NEWPID +# define CLONE_NEWPID 0x20000000 +# endif + +# ifndef HAVE_UNSHARE +# include <sys/syscall.h> +static inline int unshare(int flags) +{ + return syscall(SYS_unshare, flags); +} +# endif + +# ifndef HAVE_SETNS +# include <sys/syscall.h> +static inline int setns(int fd, int nstype) +{ + return syscall(SYS_setns, fd, nstype); +} +# endif + +#endif /* UTIL_LINUX_NAMESPACE_H */ |