61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
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/* Copyright (c) 2024, Peter McGoron
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1) Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "uns.h"
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#include "cheney_c89.h"
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static void after_gc(Uns_GC gc, struct uns_cheney_c89_statistics *stats)
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{
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fprintf(stderr,
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"cheney_c89 %ld: %lu -> %lu\n",
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stats->collection_number,
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stats->usage_before,
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stats->usage_after
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);
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if (stats->usage_after >= stats->usage_before * 7/10) {
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uns_cheney_c89_set_new_heap_size(gc,
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uns_cheney_c89_get_new_heap_size(gc) * 2);
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}
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}
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Uns_GC uns_lisp_gc_init(void)
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{
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Uns_GC gc = malloc(uns_gc_size);
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if (!uns_cheney_c89_init(gc, 512)) {
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fprintf(stderr, "Error initializing GC\n");
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exit(1);
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}
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uns_cheney_c89_set_collect_callback(gc, after_gc);
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uns_cheney_c89_set_new_heap_size(gc, 1024);
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return gc;
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}
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