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extmod/moduselect: Conditionally compile select().

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This adds #if MICROPY_PY_USELECT_SELECT around the uselect.select()
function. According to the docs, this function is only for CPython
compatibility and should not normally be used. So we can disable it
and save a few bytes of flash space where possible.

Signed-off-by: David Lechner <david@pybricks.com>
This commit is contained in:
David Lechner
2021-07-06 18:08:18 -05:00
committed by Damien George
parent 8be29b9b1b
commit 8758504f0f
2 changed files with 11 additions and 0 deletions
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4
extmod/moduselect.c
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@@ -107,6 +107,7 @@ STATIC mp_uint_t poll_map_poll(mp_map_t *poll_map, size_t *rwx_num) {
return n_ready;
}
#if MICROPY_PY_USELECT_SELECT
// select(rlist, wlist, xlist[, timeout])
STATIC mp_obj_t select_select(size_t n_args, const mp_obj_t *args) {
// get array data from tuple/list arguments
@@ -173,6 +174,7 @@ STATIC mp_obj_t select_select(size_t n_args, const mp_obj_t *args) {
}
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_select_select_obj, 3, 4, select_select);
#endif // MICROPY_PY_USELECT_SELECT
typedef struct _mp_obj_poll_t {
mp_obj_base_t base;
@@ -355,7 +357,9 @@ MP_DEFINE_CONST_FUN_OBJ_0(mp_select_poll_obj, select_poll);
STATIC const mp_rom_map_elem_t mp_module_select_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uselect) },
#if MICROPY_PY_USELECT_SELECT
{ MP_ROM_QSTR(MP_QSTR_select), MP_ROM_PTR(&mp_select_select_obj) },
#endif
{ MP_ROM_QSTR(MP_QSTR_poll), MP_ROM_PTR(&mp_select_poll_obj) },
{ MP_ROM_QSTR(MP_QSTR_POLLIN), MP_ROM_INT(MP_STREAM_POLL_RD) },
{ MP_ROM_QSTR(MP_QSTR_POLLOUT), MP_ROM_INT(MP_STREAM_POLL_WR) },