1 files changed, 36 insertions, 2 deletions

diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h
index 4c09496ef1..c250e8f683 100644
--- a/erts/emulator/beam/erl_nif.h
+++ b/erts/emulator/beam/erl_nif.h
@@ -54,10 +54,22 @@
 ** 2.13: 20.1 add enif_ioq
 ** 2.14: 21.0 add enif_ioq_peek_head, enif_(mutex|cond|rwlock|thread)_name
 **                enif_vfprintf, enif_vsnprintf, enif_make_map_from_arrays
+** 2.15: 22.0 ERL_NIF_SELECT_CANCEL, enif_select_(read|write)
+**            enif_term_type
 */
 #define ERL_NIF_MAJOR_VERSION 2
-#define ERL_NIF_MINOR_VERSION 14
-#define ERL_NIF_MIN_ERTS_VERSION "erts-10.0 (OTP-21)"
+#define ERL_NIF_MINOR_VERSION 15
+
+/*
+ * WHEN CHANGING INTERFACE VERSION, also replace erts version below with
+ * a ticket number e.g. "erts-@OTP-12345@". The syntax is the same as for
+ * runtime dependencies so multiple tickets should be separated with ":", e.g.
+ * "erts-@OTP-12345:OTP-54321@".
+ *
+ * If you're not on the OTP team, you should use a placeholder like
+ * erts-@MyName@ instead.
+ */
+#define ERL_NIF_MIN_ERTS_VERSION "erts-10.4"
 
 /*
  * The emulator will refuse to load a nif-lib with a major version
@@ -160,6 +172,8 @@ typedef int ErlNifEvent;
 #define ERL_NIF_SELECT_STOP_SCHEDULED (1 << 1)
 #define ERL_NIF_SELECT_INVALID_EVENT  (1 << 2)
 #define ERL_NIF_SELECT_FAILED         (1 << 3)
+#define ERL_NIF_SELECT_READ_CANCELLED (1 << 4)
+#define ERL_NIF_SELECT_WRITE_CANCELLED (1 << 5)
 
 typedef enum
 {
@@ -274,6 +288,26 @@ typedef enum {
     ERL_NIF_IOQ_NORMAL = 1
 } ErlNifIOQueueOpts;
 
+typedef enum {
+    ERL_NIF_TERM_TYPE_ATOM = 1,
+    ERL_NIF_TERM_TYPE_BITSTRING = 2,
+    ERL_NIF_TERM_TYPE_FLOAT = 3,
+    ERL_NIF_TERM_TYPE_FUN = 4,
+    ERL_NIF_TERM_TYPE_INTEGER = 5,
+    ERL_NIF_TERM_TYPE_LIST = 6,
+    ERL_NIF_TERM_TYPE_MAP = 7,
+    ERL_NIF_TERM_TYPE_PID = 8,
+    ERL_NIF_TERM_TYPE_PORT = 9,
+    ERL_NIF_TERM_TYPE_REFERENCE = 10,
+    ERL_NIF_TERM_TYPE_TUPLE = 11,
+
+    /* This is a dummy value intended to coax the compiler into warning about
+     * unhandled values in a switch even if all the above values have been
+     * handled. We can add new entries at any time so the user must always
+     * have a default case. */
+    ERL_NIF_TERM_TYPE__MISSING_DEFAULT_CASE__READ_THE_MANUAL = -1
+} ErlNifTermType;
+
 /*
  * Return values from enif_thread_type(). Negative values
  * reserved for specific types of non-scheduler threads.