diff options
Diffstat (limited to 'erts/emulator/beam/erl_drv_nif.h')
-rw-r--r-- | erts/emulator/beam/erl_drv_nif.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_drv_nif.h b/erts/emulator/beam/erl_drv_nif.h index 2489099b5c..2d21dac87a 100644 --- a/erts/emulator/beam/erl_drv_nif.h +++ b/erts/emulator/beam/erl_drv_nif.h @@ -49,6 +49,21 @@ typedef enum { ERL_DIRTY_JOB_IO_BOUND = 2 } ErlDirtyJobFlags; +/* Values for enif_select AND mode arg for driver_select() */ +enum ErlNifSelectFlags { + ERL_NIF_SELECT_READ = (1 << 0), + ERL_NIF_SELECT_WRITE = (1 << 1), + ERL_NIF_SELECT_STOP = (1 << 2) +}; + +/* + * A driver monitor + */ +typedef struct { + unsigned char data[sizeof(void *)*4]; +} ErlDrvMonitor; + + #ifdef SIZEOF_CHAR # define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR # undef SIZEOF_CHAR |