1 files changed, 56 insertions, 0 deletions
diff --git a/circuitpython/py/stackctrl.h b/circuitpython/py/stackctrl.h
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+++ b/circuitpython/py/stackctrl.h
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+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014 Paul Sokolovsky
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef MICROPY_INCLUDED_PY_STACKCTRL_H
+#define MICROPY_INCLUDED_PY_STACKCTRL_H
+
+#include "py/mpconfig.h"
+
+void mp_stack_ctrl_init(void);
+void mp_stack_set_top(void *top);
+mp_uint_t mp_stack_usage(void);
+
+#if MICROPY_STACK_CHECK
+
+void mp_stack_set_limit(mp_uint_t limit);
+void mp_stack_check(void);
+#define MP_STACK_CHECK() mp_stack_check()
+
+#else
+
+#define mp_stack_set_limit(limit) (void)(limit)
+#define MP_STACK_CHECK()
+
+#endif
+
+#if MICROPY_MAX_STACK_USAGE
+
+const char MP_MAX_STACK_USAGE_SENTINEL_BYTE;
+void mp_stack_set_bottom(void *stack_bottom);
+void mp_stack_fill_with_sentinel(void);
+
+#endif
+
+#endif // MICROPY_INCLUDED_PY_STACKCTRL_H