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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:30:35 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:30:35 +0000 |
| commit | 378c18e5f024ac5a8aef4cb40d7c9aa9633d144c (patch) | |
| tree | 44dfb6ca500d32cabd450649b322a42e70a30683 /include/namespace.h | |
| parent | Initial commit. (diff) | |
| download | util-linux-378c18e5f024ac5a8aef4cb40d7c9aa9633d144c.tar.xz util-linux-378c18e5f024ac5a8aef4cb40d7c9aa9633d144c.zip | |
Adding upstream version 2.38.1.upstream/2.38.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/namespace.h')
| -rw-r--r-- | include/namespace.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/namespace.h b/include/namespace.h new file mode 100644 index 0000000..2d0a56e --- /dev/null +++ b/include/namespace.h @@ -0,0 +1,56 @@ + +/* + * No copyright is claimed. This code is in the public domain; do with + * it what you wish. + * + * 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_NEWNS +# define CLONE_NEWNS 0x00020000 +# endif +# ifndef CLONE_NEWCGROUP +# define CLONE_NEWCGROUP 0x02000000 +# 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 CLONE_NEWTIME +# define CLONE_NEWTIME 0x00000080 +# endif + +# if !defined(HAVE_UNSHARE) || !defined(HAVE_SETNS) +# include <sys/syscall.h> +# endif + +# if !defined(HAVE_UNSHARE) && defined(SYS_unshare) +static inline int unshare(int flags) +{ + return syscall(SYS_unshare, flags); +} +# endif + +# if !defined(HAVE_SETNS) && defined(SYS_setns) +static inline int setns(int fd, int nstype) +{ + return syscall(SYS_setns, fd, nstype); +} +# endif + +#endif /* UTIL_LINUX_NAMESPACE_H */ |