Started implementing namespaces

photon/libc/sys/horizon/init.c

@@ -9,6 +9,7 @@
 #include <mio/object.h>
 #include <mio/fd.h>
 #include <mio/fs.h>
+#include <mio/namespace.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -265,6 +266,29 @@ int __crt_init(mx_handle_t bootstrap)
 
     init_stdio(handle_info, nr_handles);
 
+    mio_namespace *ns = mio_namespace_create();
+
+    if (msg->names_num > 0) {
+        for (size_t i = 0; i < nr_handles; i++) {
+            int type = MX_B_HND_TYPE(handle_info[i].info);
+            int arg = MX_B_HND_ARG(handle_info[i].info);
+
+            if (type != MX_B_NS_DIR && type != MX_B_TUNNEL_CWD) {
+                continue;
+            }
+
+            const char *path = namep[arg];
+
+            if (type == MX_B_TUNNEL_CWD) {
+                mio_set_cwd(handle_info[i].handle, path);
+            } else {
+                mio_namespace_add_entry(ns, path, handle_info[i].handle);
+            }
+        }
+    }
+
+    mio_set_global_namespace(ns);
+
     dbg_log("calling main\n");
     int ret = main(msg->args_num, argv);