incubator-nuttx/fs/mmap/fs_mmisc.c

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/****************************************************************************
* fs/mmap/fs_mmisc.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 <sys/mman.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/* The empty implementation is enough since the paging isn't supported yet. */
int mlock(FAR const void *addr, size_t len)
{
return 0;
}
int mlockall(int flags)
{
return 0;
}
int munlock(FAR const void *addr, size_t len)
{
return 0;
}
int munlockall(void)
{
return 0;
}
/* The empty implementation is enough since MMU/MPU mayn't exist. */
int mprotect(FAR void *addr, size_t len, int prot)
{
return 0;
}
/* Ignore the advice since there is no alternative strategy to select. */
int posix_madvise(FAR void *addr, size_t len, int advice)
{
return 0;
}