-

Index: include/asterisk/http_websocket.h
===================================================================
--- include/asterisk/http_websocket.h	(revision 393739)
+++ include/asterisk/http_websocket.h	(working copy)
@@ -22,6 +22,8 @@
 #include "asterisk/http.h"
 #include "asterisk/optional_api.h"
 
+#include <errno.h>
+
 /*!
  * \file http_websocket.h
  * \brief Support for WebSocket connections within the Asterisk HTTP server.
@@ -230,6 +232,6 @@
  * \retval 0 on success
  * \retval -1 on failure
  */
-AST_OPTIONAL_API(int, ast_websocket_set_nonblock, (struct ast_websocket *session), {return -1;});
+AST_OPTIONAL_API(int, ast_websocket_set_nonblock, (struct ast_websocket *session), {ast_log(LOG_ERROR, "Optional API foolishness"); errno = ENOSYS; return -1;});
 
 #endif
Index: res/res_http_websocket.c
===================================================================
--- res/res_http_websocket.c	(revision 393739)
+++ res/res_http_websocket.c	(working copy)
@@ -305,6 +305,8 @@
 	int flags;
 
 	if ((flags = fcntl(session->fd, F_GETFL)) == -1) {
+		ast_log(LOG_ERROR, "Error getting flags: %s\n",
+			strerror(errno));
 		return -1;
 	}
 
@@ -311,6 +313,8 @@
 	flags |= O_NONBLOCK;
 
 	if ((flags = fcntl(session->fd, F_SETFL, flags)) == -1) {
+		ast_log(LOG_ERROR, "Error setting flags: %s\n",
+			strerror(errno));
 		return -1;
 	}