upload android base code part3

android/bionic/libc/kernel/uapi/linux/net_namespace.h

@@ -0,0 +1,30 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI_LINUX_NET_NAMESPACE_H_
+#define _UAPI_LINUX_NET_NAMESPACE_H_
+enum {
+  NETNSA_NONE,
+#define NETNSA_NSID_NOT_ASSIGNED - 1
+  NETNSA_NSID,
+  NETNSA_PID,
+  NETNSA_FD,
+  __NETNSA_MAX,
+};
+#define NETNSA_MAX (__NETNSA_MAX - 1)
+#endif