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-rw-r--r--erts/emulator/beam/erl_drv_nif.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_drv_nif.h b/erts/emulator/beam/erl_drv_nif.h
index 31b4817fb1..9ef7c39d41 100644
--- a/erts/emulator/beam/erl_drv_nif.h
+++ b/erts/emulator/beam/erl_drv_nif.h
@@ -53,7 +53,8 @@ typedef enum {
enum ErlNifSelectFlags {
ERL_NIF_SELECT_READ = (1 << 0),
ERL_NIF_SELECT_WRITE = (1 << 1),
- ERL_NIF_SELECT_STOP = (1 << 2)
+ ERL_NIF_SELECT_STOP = (1 << 2),
+ ERL_NIF_SELECT_CANCEL = (1 << 3)
};
/*