65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/* Copyright (C) 2024 Peter McGoron
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#ifndef UNS_CHENEY_C89_H
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#define UNS_CHENEY_C89_H
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#include "uns.h"
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/* Cheney copying collector in pure portable C89.
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*
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* The copying collector does not support weak references or mixed
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* records. Every collection calls malloc() to obtain a new heap.
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*
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* This collector is useful for hosted implementations that want a
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* resizable heap.
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*/
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struct uns_cheney_c89_statistics {
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size_t usage_before;
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size_t usage_after;
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size_t collection_number;
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};
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typedef void (*uns_cheney_c89_collect_callback)
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(Uns_GC, struct uns_cheney_c89_statistics *)
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;
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void uns_cheney_c89_set_new_heap_size(Uns_GC gc, size_t siz);
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size_t uns_cheney_c89_get_new_heap_size(Uns_GC gc);
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void uns_cheney_c89_set_collect_callback(
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Uns_GC gc,
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uns_cheney_c89_collect_callback cb
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);
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void *uns_cheney_c89_get(Uns_ptr p, size_t loc,
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enum uns_fld_type *typ);
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void uns_cheney_c89_set(Uns_ptr p, size_t loc,
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enum uns_fld_type typ, void *newp);
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void uns_cheney_c89_deinit(Uns_GC gc);
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int uns_cheney_c89_collect(Uns_GC gc);
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void *uns_cheney_c89_alloc(Uns_GC gc, size_t elems,
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enum uns_bytes_type typ);
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void *uns_cheney_c89_alloc_rec(Uns_GC gc, size_t elems,
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enum uns_record_type typ);
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int uns_cheney_c89_init(Uns_GC gc, size_t heap_size);
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const extern size_t uns_cheney_c89_ctx_size;
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#endif
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