blob: d7c68ede5da159073c0dce7bbde35df125a44902 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "pmfunction.h"
#include "pminternal.h"
void *pmalloc_detach(void *md) {
struct mdesc mtemp;
if (md != NULL) {
mtemp = *(struct mdesc *) md;
if ((mtemp.morespace(&mtemp, mtemp.mempoolbase - mtemp.limitpos))
== NULL) {
*(struct mdesc *) md = mtemp;
} else {
if (mtemp.flags & PMALLOC_DEVZERO) {
close(mtemp.mappingfd);
}
md = NULL;
}
}
return (md);
}