summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDamien George <damien.p.george@gmail.com>2020-02-07 12:30:55 +1100
committerDamien George <damien.p.george@gmail.com>2020-02-07 16:08:31 +1100
commitabe2caf6df4cc98e540d9c05b4f2bce14cdedfa4 (patch)
treebef5fa135238eeeb4f9f059de238d8b7c3d08970
parentf4641b2378121470747f52bd1eab9219ac933506 (diff)
py/scheduler: Move clearing of kbd traceback to mp_keyboard_interrupt.
This is a more logical place to clear the KeyboardInterrupt traceback, right before it is set as a pending exception. The clearing is also optimised from a function call to a simple store of NULL.
-rw-r--r--lib/utils/interrupt_char.c3
-rw-r--r--ports/samd/mphalport.c3
-rw-r--r--py/scheduler.c2
3 files changed, 2 insertions, 6 deletions
diff --git a/lib/utils/interrupt_char.c b/lib/utils/interrupt_char.c
index 3810f7a96..7014ae6a8 100644
--- a/lib/utils/interrupt_char.c
+++ b/lib/utils/interrupt_char.c
@@ -32,9 +32,6 @@
int mp_interrupt_char = -1;
void mp_hal_set_interrupt_char(int c) {
- if (c != -1) {
- mp_obj_exception_clear_traceback(MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception)));
- }
mp_interrupt_char = c;
}
diff --git a/ports/samd/mphalport.c b/ports/samd/mphalport.c
index 49d8976e6..ebd9dcb5b 100644
--- a/ports/samd/mphalport.c
+++ b/ports/samd/mphalport.c
@@ -39,9 +39,6 @@ void tud_cdc_rx_wanted_cb(uint8_t itf, char wanted_char) {
}
void mp_hal_set_interrupt_char(int c) {
- if (c != -1) {
- mp_obj_exception_clear_traceback(MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception)));
- }
tud_cdc_set_wanted_char(c);
}
diff --git a/py/scheduler.c b/py/scheduler.c
index ca91e42da..eccd9f91b 100644
--- a/py/scheduler.c
+++ b/py/scheduler.c
@@ -29,7 +29,9 @@
#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));
#if MICROPY_ENABLE_SCHEDULER
if (MP_STATE_VM(sched_state) == MP_SCHED_IDLE) {