incubator-nuttx/include/sys/sysinfo.h

79 lines
2.4 KiB
C

/****************************************************************************
* include/sys/sysinfo.h
*
* 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.
*
****************************************************************************/
#ifndef __INCLUDE_SYS_SYSINFO_H
#define __INCLUDE_SYS_SYSINFO_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/compiler.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define SI_LOAD_SHIFT 16
/****************************************************************************
* Type Definitions
****************************************************************************/
struct sysinfo
{
unsigned long uptime;
unsigned long loads[3];
unsigned long totalram;
unsigned long freeram;
unsigned long sharedram;
unsigned long bufferram;
unsigned long totalswap;
unsigned long freeswap;
unsigned short procs;
unsigned short pad;
unsigned long totalhigh;
unsigned long freehigh;
unsigned mem_unit;
char __reserved[256];
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
int sysinfo(FAR struct sysinfo *info);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_SYS_SYSINFO_H */