68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/*
|
|
* Copyright (C) 2003, 2004, 2005, 2006, 2007
|
|
* Robert Lougher <rob@jamvm.org.uk>.
|
|
*
|
|
* This file is part of JamVM.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2,
|
|
* or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "jam.h"
|
|
#include "hash.h"
|
|
#include "class.h"
|
|
#include "classlib.h"
|
|
|
|
void lockHashTable0(HashTable *table, Thread *self) {
|
|
if(!tryLockVMLock(table->lock, self)) {
|
|
disableSuspend(self);
|
|
lockVMLock(table->lock, self);
|
|
enableSuspend(self);
|
|
}
|
|
fastDisableSuspend(self);
|
|
}
|
|
|
|
void unlockHashTable0(HashTable *table, Thread *self) {
|
|
fastEnableSuspend(self);
|
|
unlockVMLock(table->lock, self);
|
|
}
|
|
|
|
void resizeHash(HashTable *table, int new_size) {
|
|
HashEntry *new_table = gcMemMalloc(sizeof(HashEntry)*new_size);
|
|
int i;
|
|
|
|
memset(new_table, 0, sizeof(HashEntry)*new_size);
|
|
|
|
for(i = table->hash_size-1; i >= 0; i--) {
|
|
void *ptr = table->hash_table[i].data;
|
|
if(ptr != NULL) {
|
|
int hash = table->hash_table[i].hash;
|
|
int new_index = hash & (new_size - 1);
|
|
|
|
while(new_table[new_index].data != NULL)
|
|
new_index = (new_index+1) & (new_size - 1);
|
|
|
|
new_table[new_index].hash = hash;
|
|
new_table[new_index].data = ptr;
|
|
}
|
|
}
|
|
|
|
gcMemFree(table->hash_table);
|
|
table->hash_table = new_table;
|
|
table->hash_size = new_size;
|
|
}
|