1 /*
2 * This file is part of the MicroPython project, http://micropython.org/
3 *
4 * Development of the code in this file was sponsored by Microbric Pty Ltd
5 *
6 * The MIT License (MIT)
7 *
8 * Copyright (c) 2014 Damien P. George
9 * Copyright (c) 2017 Pycom Limited
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 * THE SOFTWARE.
28 */
29
30 #include <stdio.h>
31
32 #include "py/mpconfig.h"
33 #include "py/mpstate.h"
34 #include "py/gc.h"
35 #include "py/mpthread.h"
36 #include "gccollect.h"
37
gc_collect_inner(int level)38 static void gc_collect_inner(int level) {
39 // trace root pointers from any threads
40 #if MICROPY_PY_THREAD
41 mp_thread_gc_others();
42 #endif
43 }
44
gc_collect(void)45 void gc_collect(void) {
46 gc_collect_start();
47
48 // trace the stack and registers
49 gc_helper_collect_regs_and_stack();
50
51 gc_collect_inner(0);
52 gc_collect_end();
53 }
54