Initial applications isolation support using Linux namespaces.

src/nxt_clone.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef _NXT_CLONE_INCLUDED_
+#define _NXT_CLONE_INCLUDED_
+
+
+pid_t nxt_clone(nxt_int_t flags);
+
+#if (NXT_HAVE_CLONE_NEWUSER)
+nxt_int_t nxt_clone_proc_map(nxt_task_t *task, pid_t pid,
+        nxt_process_clone_t *clone);
+#endif
+
+#endif /* _NXT_CLONE_INCLUDED_ */