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authorDees Troy <dees_troy@teamw.in>2013-02-27 19:39:14 +0100
committerGerrit Code Review <gerrit@5.9.244.119>2013-02-27 19:39:14 +0100
commit2cf31af56114cf997b10218db7c35ee047f5d400 (patch)
tree85f3b51e45ff8233922f2c0c151299868ca89371 /libblkid/namespace.h
parentlibtar - Fix extraction of hardlinks to use the prefix (diff)
parentuse libblkid to get filesystem type (diff)
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Diffstat (limited to '')
-rw-r--r--libblkid/namespace.h42
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 */