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libc/mallopt: implement dummy mallopt

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refs:
https://man.freebsd.org/cgi/man.cgi?query=malloc&apropos=0&sektion=3&manpath=SunOS+4.1.3&format=html

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1 2023-08-23 10:49:24 +08:00 committed by Xiang Xiao
parent 5e3c1985e7
commit ee598b3e21
3 changed files with 51 additions and 1 deletions
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12
include/malloc.h
View File

@ -42,6 +42,17 @@
#define malloc_usable_size malloc_size
/* mallopt options that actually do something */
#define M_TRIM_THRESHOLD -1
#define M_TOP_PAD -2
#define M_MMAP_THRESHOLD -3
#define M_MMAP_MAX -4
#define M_CHECK_ACTION -5
#define M_PERTURB -6
#define M_ARENA_TEST -7
#define M_ARENA_MAX -8
/****************************************************************************
* Public Type Definitions
****************************************************************************/
@ -83,6 +94,7 @@ extern "C"
{
#endif
int mallopt(int param, int value);
struct mallinfo mallinfo(void);
size_t malloc_size(FAR void *ptr);
struct mallinfo_task mallinfo_task(FAR const struct malltask *task);

2
libs/libc/misc/Make.defs
View File

@ -24,7 +24,7 @@ CSRCS += lib_mknod.c lib_umask.c lib_utsname.c lib_getrandom.c
CSRCS += lib_xorshift128.c lib_tea_encrypt.c lib_tea_decrypt.c
CSRCS += lib_cxx_initialize.c lib_impure.c lib_memfd.c lib_mutex.c
CSRCS += lib_fchmodat.c lib_fstatat.c lib_getfullpath.c lib_openat.c
CSRCS += lib_mkdirat.c lib_utimensat.c
CSRCS += lib_mkdirat.c lib_utimensat.c lib_mallopt.c
# Support for platforms that do not have long long types

38
libs/libc/misc/lib_mallopt.c Normal file
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@ -0,0 +1,38 @@
/****************************************************************************
* libs/libc/misc/lib_mallopt.c
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <malloc.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: mallopt
****************************************************************************/
int mallopt(int param, int value)
{
return 1;
}