95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/****************************************************************************
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* fs/inode/fs_inode.c
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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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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <unistd.h>
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#include <assert.h>
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#include <errno.h>
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#include <nuttx/fs/fs.h>
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#include <nuttx/mutex.h>
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#include "inode/inode.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static rmutex_t g_inode_lock = NXRMUTEX_INITIALIZER;
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: inode_initialize
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*
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* Description:
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* This is called from the OS initialization logic to configure the file
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* system.
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*
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****************************************************************************/
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void inode_initialize(void)
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{
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/* Reserve the root node */
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inode_root_reserve();
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}
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/****************************************************************************
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* Name: inode_semtake
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*
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* Description:
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* Get exclusive access to the in-memory inode tree (g_inode_sem).
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*
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****************************************************************************/
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int inode_semtake(void)
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{
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return nxrmutex_lock(&g_inode_lock);
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}
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/****************************************************************************
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* Name: inode_semgive
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*
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* Description:
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* Relinquish exclusive access to the in-memory inode tree (g_inode_sem).
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*
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****************************************************************************/
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void inode_semgive(void)
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{
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DEBUGVERIFY(nxrmutex_unlock(&g_inode_lock));
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}
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