93 lines
3.3 KiB
C
93 lines
3.3 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021 microDev
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/gc.h"
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#include "py/runtime.h"
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#include "shared-module/atexit/__init__.h"
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static size_t callback_len = 0;
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static atexit_callback_t *callback = NULL;
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void atexit_reset(void) {
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callback_len = 0;
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m_free(callback);
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callback = NULL;
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}
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void atexit_gc_collect(void) {
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gc_collect_ptr(callback);
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}
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void shared_module_atexit_register(mp_obj_t *func, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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if (!mp_obj_is_callable(func)) {
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mp_raise_TypeError_varg(translate("'%q' object is not callable"), mp_obj_get_type_qstr(func));
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}
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size_t n_kw_args = (kw_args) ? kw_args->used : 0;
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atexit_callback_t cb = {
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.n_pos = 0,
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.n_kw = 0,
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.func = func,
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.args = (n_args + n_kw_args) ? m_malloc((n_args + (n_kw_args * 2)) * sizeof(mp_obj_t), false) : NULL
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};
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for (; cb.n_pos < n_args; cb.n_pos++) {
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cb.args[cb.n_pos] = pos_args[cb.n_pos];
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}
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for (size_t i = cb.n_pos; cb.n_kw < n_kw_args; i++, cb.n_kw++) {
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cb.args[i] = kw_args->table[cb.n_kw].key;
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cb.args[i += 1] = kw_args->table[cb.n_kw].value;
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}
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callback = (atexit_callback_t *)m_realloc(callback, (callback_len + 1) * sizeof(cb));
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callback[callback_len++] = cb;
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}
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void shared_module_atexit_unregister(const mp_obj_t *func) {
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for (size_t i = 0; i < callback_len; i++) {
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if (callback[i].func == *func) {
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callback[i].n_pos = 0;
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callback[i].n_kw = 0;
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callback[i].func = mp_const_none;
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callback[i].args = NULL;
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}
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}
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}
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void shared_module_atexit_execute(pyexec_result_t *result) {
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if (callback) {
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for (size_t i = callback_len; i-- > 0;) {
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if (callback[i].func != mp_const_none) {
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if (result != NULL) {
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pyexec_result_t res;
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if (pyexec_exit_handler(&callback[i], &res) == PYEXEC_DEEP_SLEEP) {
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*result = res;
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}
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} else {
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pyexec_exit_handler(&callback[i], NULL);
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}
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}
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}
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}
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}
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