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py/scheduler: Add mp_sched_exception() to schedule a pending exception.

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This helper is added to properly set a pending exception, to mirror
mp_sched_schedule(), which schedules a function.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2021-04-28 10:52:19 +10:00
parent 7e549b6718
commit 7cbf826a95
5 changed files with 16 additions and 5 deletions
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14
py/scheduler.c
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@@ -28,17 +28,21 @@
#include "py/runtime.h"
#if MICROPY_KBD_EXCEPTION
// This function may be called asynchronously at any time so only do the bare minimum.
void MICROPY_WRAP_MP_KEYBOARD_INTERRUPT(mp_keyboard_interrupt)(void) {
MP_STATE_VM(mp_kbd_exception).traceback_data = NULL;
MP_STATE_VM(mp_pending_exception) = MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception));
void mp_sched_exception(mp_obj_t exc) {
MP_STATE_VM(mp_pending_exception) = exc;
#if MICROPY_ENABLE_SCHEDULER
if (MP_STATE_VM(sched_state) == MP_SCHED_IDLE) {
MP_STATE_VM(sched_state) = MP_SCHED_PENDING;
}
#endif
}
#if MICROPY_KBD_EXCEPTION
// This function may be called asynchronously at any time so only do the bare minimum.
void MICROPY_WRAP_MP_KEYBOARD_INTERRUPT(mp_keyboard_interrupt)(void) {
MP_STATE_VM(mp_kbd_exception).traceback_data = NULL;
mp_sched_exception(MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception)));
}
#endif
#if MICROPY_ENABLE_SCHEDULER