Index: src/trusted/service_runtime/sel_main_chrome.h |
diff --git a/src/trusted/service_runtime/sel_main_chrome.h b/src/trusted/service_runtime/sel_main_chrome.h |
index 5c858dc8b1d1d71abe67e0271cca278b5aa52150..5737bf763a43b4f17369ce53182ef42e02948fc6 100644 |
--- a/src/trusted/service_runtime/sel_main_chrome.h |
+++ b/src/trusted/service_runtime/sel_main_chrome.h |
@@ -34,7 +34,9 @@ struct NaClChromeMainArgs { |
/* |
* File descriptor for the NaCl integrated runtime (IRT) library. |
* Note that this is a file descriptor even on Windows (where file |
- * descriptors are emulated by the C runtime library). Required. |
+ * descriptors are emulated by the C runtime library). |
+ * Optional; may be -1. Optional when loading nexes that don't follow |
+ * NaCl's stable ABI, such as the PNaCl translator. |
*/ |
int irt_fd; |