110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/****************************************************************************
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* include/malloc.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_MALLOC_H
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#define __INCLUDE_MALLOC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdlib.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Special PID to query the info about alloc, free and mempool */
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#define PID_MM_FREE ((pid_t)-4)
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#define PID_MM_ALLOC ((pid_t)-3)
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#define PID_MM_LEAK ((pid_t)-2)
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#define PID_MM_MEMPOOL ((pid_t)-1)
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/* For Linux and MacOS compatibility */
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#define malloc_usable_size malloc_size
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/* mallopt options that actually do something */
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#define M_TRIM_THRESHOLD -1
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#define M_TOP_PAD -2
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#define M_MMAP_THRESHOLD -3
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#define M_MMAP_MAX -4
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#define M_CHECK_ACTION -5
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#define M_PERTURB -6
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#define M_ARENA_TEST -7
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#define M_ARENA_MAX -8
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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struct mallinfo
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{
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int arena; /* This is the total size of memory allocated
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* for use by malloc in bytes. */
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int ordblks; /* This is the number of free (not in use) chunks */
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int aordblks; /* This is the number of allocated (in use) chunks */
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int mxordblk; /* Size of the largest free (not in use) chunk */
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int uordblks; /* This is the total size of memory occupied by
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* chunks handed out by malloc. */
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int fordblks; /* This is the total size of memory occupied
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* by free (not in use) chunks. */
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int usmblks; /* This is the largest amount of space ever allocated */
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};
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struct malltask
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{
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pid_t pid; /* Process id */
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#if CONFIG_MM_BACKTRACE >= 0
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unsigned long seqmin; /* The minimum sequence */
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unsigned long seqmax; /* The maximum sequence */
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#endif
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};
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struct mallinfo_task
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{
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int aordblks; /* This is the number of allocated (in use) chunks for task */
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int uordblks; /* This is the total size of memory occupied for task */
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#if defined(__cplusplus)
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extern "C"
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{
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#endif
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int mallopt(int param, int value);
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struct mallinfo mallinfo(void);
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size_t malloc_size(FAR void *ptr);
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struct mallinfo_task mallinfo_task(FAR const struct malltask *task);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __INCLUDE_MALLOC_H */
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