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py: Add micropython.schedule() function and associated runtime code.

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This commit is contained in:
Damien George
2017-02-16 18:05:06 +11:00
parent bf29fe2e13
commit 6e74d24f30
9 changed files with 197 additions and 0 deletions
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20
py/vm.c
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@@ -1267,12 +1267,32 @@ yield:
pending_exception_check:
MICROPY_VM_HOOK_LOOP
#if MICROPY_ENABLE_SCHEDULER
// This is an inlined variant of mp_handle_pending
if (MP_STATE_VM(sched_state) == MP_SCHED_PENDING) {
MARK_EXC_IP_SELECTIVE();
mp_uint_t atomic_state = MICROPY_BEGIN_ATOMIC_SECTION();
mp_obj_t obj = MP_STATE_VM(mp_pending_exception);
if (obj != MP_OBJ_NULL) {
MP_STATE_VM(mp_pending_exception) = MP_OBJ_NULL;
if (!mp_sched_num_pending()) {
MP_STATE_VM(sched_state) = MP_SCHED_IDLE;
}
MICROPY_END_ATOMIC_SECTION(atomic_state);
RAISE(obj);
}
mp_handle_pending_tail(atomic_state);
}
#else
// This is an inlined variant of mp_handle_pending
if (MP_STATE_VM(mp_pending_exception) != MP_OBJ_NULL) {
MARK_EXC_IP_SELECTIVE();
mp_obj_t obj = MP_STATE_VM(mp_pending_exception);
MP_STATE_VM(mp_pending_exception) = MP_OBJ_NULL;
RAISE(obj);
}
#endif
#if MICROPY_PY_THREAD_GIL
#if MICROPY_PY_THREAD_GIL_VM_DIVISOR