summaryrefslogtreecommitdiffstats
path: root/include/namespace.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:42:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:42:50 +0000
commit8cb83eee5a58b1fad74c34094ce3afb9e430b5a4 (patch)
treea9b2e7baeca1be40eb734371e3c8b11b02294497 /include/namespace.h
parentInitial commit. (diff)
downloadutil-linux-8cb83eee5a58b1fad74c34094ce3afb9e430b5a4.tar.xz
util-linux-8cb83eee5a58b1fad74c34094ce3afb9e430b5a4.zip
Adding upstream version 2.33.1.upstream/2.33.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--include/namespace.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/namespace.h b/include/namespace.h
new file mode 100644
index 0000000..9dbe88a
--- /dev/null
+++ b/include/namespace.h
@@ -0,0 +1,47 @@
+/* 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
+
+# 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 */