Provide IRT process interface

src/untrusted/nacl/nacl_irt_fdio.c

Index: src/untrusted/nacl/nacl_irt_fdio.c
diff --git a/src/untrusted/nacl/nacl_irt_fdio.c b/src/untrusted/nacl/nacl_irt_fdio.c
index 03b3d60dd616c67ee686cea87ce8d2eab6365f37..e4c64d5fa2e0225ca16261c4e2c694eaa2eaaaa9 100644
--- a/src/untrusted/nacl/nacl_irt_fdio.c
+++ b/src/untrusted/nacl/nacl_irt_fdio.c
@@ -8,19 +8,23 @@
 
 void __libnacl_irt_dev_fdio_init(void) {
   /* Attempt to load the 'dev-fdio' interface */
-  if (!__libnacl_irt_query(NACL_IRT_DEV_FDIO_v0_2,
+  if (!__libnacl_irt_query(NACL_IRT_DEV_FDIO_v0_3,
                            &__libnacl_irt_dev_fdio,
                            sizeof(__libnacl_irt_dev_fdio))) {
-    /*
-     * Fall back to old 'fdio' interface if the dev interface is
-     * not found.
-     */
-    if (!__libnacl_irt_query(NACL_IRT_FDIO_v0_1,
-                             &__libnacl_irt_dev_fdio,
-                             sizeof(struct nacl_irt_fdio))) {
-      __libnacl_irt_query(NACL_IRT_DEV_FDIO_v0_1,
-                          &__libnacl_irt_dev_fdio,
-                          sizeof(struct nacl_irt_fdio));
+    if (!__libnacl_irt_query(NACL_IRT_DEV_FDIO_v0_2,
+                            &__libnacl_irt_dev_fdio,
+                            sizeof(struct nacl_irt_fdio_v0_2))) {
+      /*
+      * Fall back to old 'fdio' interface if the dev interface is
+      * not found.
+      */
+      if (!__libnacl_irt_query(NACL_IRT_FDIO_v0_1,
+                              &__libnacl_irt_dev_fdio,
+                              sizeof(struct nacl_irt_fdio))) {
+        __libnacl_irt_query(NACL_IRT_DEV_FDIO_v0_1,
+                            &__libnacl_irt_dev_fdio,
+                            sizeof(struct nacl_irt_fdio));
+      }
     }
   }
 }