1 /*
2  * This file is part of the MicroPython project, http://micropython.org/
3  *
4  * The MIT License (MIT)
5  *
6  * Copyright (c) 2014 Paul Sokolovsky
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a copy
9  * of this software and associated documentation files (the "Software"), to deal
10  * in the Software without restriction, including without limitation the rights
11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12  * copies of the Software, and to permit persons to whom the Software is
13  * furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24  * THE SOFTWARE.
25  */
26 #ifndef MICROPY_INCLUDED_PY_STACKCTRL_H
27 #define MICROPY_INCLUDED_PY_STACKCTRL_H
28 
29 #include "py/mpconfig.h"
30 
31 void mp_stack_ctrl_init(void);
32 void mp_stack_set_top(void *top);
33 mp_uint_t mp_stack_usage(void);
34 
35 #if MICROPY_STACK_CHECK
36 
37 void mp_stack_set_limit(mp_uint_t limit);
38 void mp_stack_check(void);
39 #define MP_STACK_CHECK() mp_stack_check()
40 
41 #else
42 
43 #define mp_stack_set_limit(limit) (void)(limit)
44 #define MP_STACK_CHECK()
45 
46 #endif
47 
48 #endif // MICROPY_INCLUDED_PY_STACKCTRL_H
49