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py/modsys: Add sys.implementation._thread attribute.

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This is useful to distinguish between GIL and non-GIL builds.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2025-07-15 13:32:55 +10:00
parent e993f53877
commit 18f2e94846
3 changed files with 36 additions and 4 deletions
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24
py/modsys.c
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@@ -103,6 +103,18 @@ static const MP_DEFINE_STR_OBJ(mp_sys_implementation__build_obj, MICROPY_BOARD_B
#define SYS_IMPLEMENTATION_ELEMS__BUILD
#endif
#if MICROPY_PY_THREAD
#if MICROPY_PY_THREAD_GIL
#define SYS_IMPLEMENTATION_ELEMS__THREAD \
, MP_ROM_QSTR(MP_QSTR_GIL)
#else
#define SYS_IMPLEMENTATION_ELEMS__THREAD \
, MP_ROM_QSTR(MP_QSTR_unsafe)
#endif
#else
#define SYS_IMPLEMENTATION_ELEMS__THREAD
#endif
#if MICROPY_PREVIEW_VERSION_2
#define SYS_IMPLEMENTATION_ELEMS__V2 \
, MP_ROM_TRUE
@@ -120,6 +132,9 @@ static const qstr impl_fields[] = {
#if defined(MICROPY_BOARD_BUILD_NAME)
MP_QSTR__build,
#endif
#if MICROPY_PY_THREAD
MP_QSTR__thread,
#endif
#if MICROPY_PREVIEW_VERSION_2
MP_QSTR__v2,
#endif
@@ -127,20 +142,21 @@ static const qstr impl_fields[] = {
static MP_DEFINE_ATTRTUPLE(
mp_sys_implementation_obj,
impl_fields,
3 + MICROPY_PERSISTENT_CODE_LOAD + MICROPY_BOARD_BUILD + MICROPY_PREVIEW_VERSION_2,
3 + MICROPY_PERSISTENT_CODE_LOAD + MICROPY_BOARD_BUILD + MICROPY_PY_THREAD + MICROPY_PREVIEW_VERSION_2,
SYS_IMPLEMENTATION_ELEMS_BASE
SYS_IMPLEMENTATION_ELEMS__MPY
SYS_IMPLEMENTATION_ELEMS__BUILD
SYS_IMPLEMENTATION_ELEMS__THREAD
SYS_IMPLEMENTATION_ELEMS__V2
);
#else
static const mp_rom_obj_tuple_t mp_sys_implementation_obj = {
{&mp_type_tuple},
3 + MICROPY_PERSISTENT_CODE_LOAD,
// Do not include SYS_IMPLEMENTATION_ELEMS__BUILD or SYS_IMPLEMENTATION_ELEMS__V2
// because SYS_IMPLEMENTATION_ELEMS__MPY may be empty if
// Do not include SYS_IMPLEMENTATION_ELEMS__BUILD, SYS_IMPLEMENTATION_ELEMS__THREAD
// or SYS_IMPLEMENTATION_ELEMS__V2 because SYS_IMPLEMENTATION_ELEMS__MPY may be empty if
// MICROPY_PERSISTENT_CODE_LOAD is disabled, which means they'll share
// the same index. Cannot query _build or _v2 if MICROPY_PY_ATTRTUPLE is
// the same index. Cannot query _build, _thread or _v2 if MICROPY_PY_ATTRTUPLE is
// disabled.
{
SYS_IMPLEMENTATION_ELEMS_BASE