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py/mpstate: Make exceptions thread-local.

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This moves mp_pending_exception from mp_state_vm_t to mp_state_thread_t.
This allows exceptions to be scheduled on a specific thread.

Signed-off-by: David Lechner <david@pybricks.com>
This commit is contained in:
David Lechner
2021-05-10 21:53:22 -05:00
committed by Damien George
parent 7c51cb2307
commit ca920f7218
13 changed files with 27 additions and 26 deletions
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2
ports/unix/unix_mphal.c
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@@ -54,7 +54,7 @@ STATIC void sighandler(int signum) {
sigprocmask(SIG_SETMASK, &mask, NULL);
nlr_raise(MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception)));
#else
if (MP_STATE_VM(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception))) {
if (MP_STATE_THREAD(mp_pending_exception) == MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception))) {
// this is the second time we are called, so die straight away
exit(1);
}