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/* Copyright 2009-2015
* Kaz Kylheku <kaz@kylheku.com>
* Vancouver, Canada
* All rights reserved.
*
* Redistribution of this software in source and binary forms, with or without
* modification, is permitted provided that the following two conditions are met.
*
* Use of this software in any manner constitutes agreement with the disclaimer
* which follows the two conditions.
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DAMAGES, HOWEVER CAUSED,
* AND UNDER ANY THEORY OF LIABILITY, ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
void gc_init(val *stack_bottom);
void gc_late_init(void);
val prot1(val *loc);
void rel1(val *loc);
void protect(val *, ...);
val make_obj(void);
void gc(void);
int gc_state(int);
void gc_mark(val);
void gc_conservative_mark(val);
int gc_is_reachable(val);
val gc_finalize(val obj, val fun);
#if CONFIG_GEN_GC
val gc_set(loc, val);
val gc_push(val, loc);
val gc_mutated(val);
extern int full_gc;
#endif
void unmark(void);
void gc_hint_func(val *);
extern int gc_enabled;
extern val **gc_prot_top;
#if EXTRA_DEBUGGING
extern val break_obj;
#endif
#define gc_hint(var) gc_hint_func(&var)
#define REACHABLE 0x100
#define FREE 0x200
INLINE val zap(volatile val *loc) { val ret = *loc; *loc = nil; return ret; }
#define z(lvalue) zap(&lvalue)
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