зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
2.4 KiB
C
76 строки
2.4 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*******************************************************************************
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S P O R T M O D E L
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_____
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____/_____\____
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/__o____o____o__\ __
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\_______________/ (@@)/
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/\_____|_____/\ x~[]~
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~~~~~~~~~~~/~~~~~~~|~~~~~~~\~~~~~~~~/\~~~~~~~~~
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Advanced Technology Garbage Collector
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Copyright (c) 1997 Netscape Communications, Inc. All rights reserved.
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Recovered by: Warren Harris
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*******************************************************************************/
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#include "sm.h"
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#include "smgen.h"
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#include <stdio.h>
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static void
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foo(unsigned int size)
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{
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PRUword bin, bucket;
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SM_SIZE_BIN(bin, size);
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SM_GET_ALLOC_BUCKET(bucket, size);
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printf("size = %-10u bin = %2d, bucket = %2d\n",
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size, bin, bucket);
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}
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int
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main()
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{
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int i;
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for (i = SM_MIN_SMALLOBJECT_BITS-1; i <= SM_MAX_SMALLOBJECT_BITS; i++) {
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unsigned int b = 1 << i;
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unsigned int p = 1 << (i - 1);
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printf("--- %d\n", i);
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foo(b - 1);
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foo(b);
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if (i < SM_MAX_SMALLOBJECT_BITS) {
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foo(b + 1);
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foo(b + p - 1);
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foo(b + p);
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foo(b + p + 1);
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}
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}
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printf("page size=%u max=%u min=%u\n",
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SM_PAGE_SIZE, SM_MAX_SMALLOBJECT_SIZE, SM_MIN_SMALLOBJECT_SIZE);
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printf("p2buckets=%u midsize=%u firstMid=%u buckets=%u\n",
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SM_POWER_OF_TWO_BUCKETS, SM_MIDSIZE_BUCKETS,
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SM_FIRST_MIDSIZE_BUCKET, SM_ALLOC_BUCKETS);
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}
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