py: Add ioctl method to stream protocol; add initial modselect.

2 files changed, 7 insertions, 1 deletions

diff --git a/py/mpconfig.h b/py/mpconfig.h
index adbcb0eb71..fc5d6ce2e1 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -390,6 +390,10 @@ typedef double mp_float_t;
 #define MICROPY_PY_ZLIBD (0)
 #endif
 
+#ifndef MICROPY_PY_SELECT
+#define MICROPY_PY_SELECT (0)
+#endif
+
 /*****************************************************************************/
 /* Hooks for a port to add builtins                                          */
 
diff --git a/py/obj.h b/py/obj.h
index a14a031c87..79f3041500 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -230,12 +230,14 @@ void mp_get_buffer_raise(mp_obj_t obj, mp_buffer_info_t *bufinfo, mp_uint_t flag
 
 // Stream protocol
 #define MP_STREAM_ERROR (-1)
+#define MP_STREAM_FLUSH (1)
+#define MP_STREAM_POLL  (2)
 typedef struct _mp_stream_p_t {
     // On error, functions should return MP_STREAM_ERROR and fill in *errcode (values
     // are implementation-dependent, but will be exposed to user, e.g. via exception).
     mp_uint_t (*read)(mp_obj_t obj, void *buf, mp_uint_t size, int *errcode);
     mp_uint_t (*write)(mp_obj_t obj, const void *buf, mp_uint_t size, int *errcode);
-    // add seek() ?
+    mp_uint_t (*ioctl(mp_obj_t obj, mp_uint_t request, int *errcode, ...);
     mp_uint_t is_text : 1; // default is bytes, set this for text stream
 } mp_stream_p_t;