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/*
* libproc2 - Library to read proc filesystem
*
* Copyright © 2015-2023 Craig Small <csmall@dropbear.xyz>
* Copyright © 2021-2023 Jim Warner <james.warner@comcast.net>
* Copyright © 1998-2003 Albert Cahalan
* Copyright © 1992-1998 Michael K. Johnson <johnsonm@redhat.com>
* Copyright © 1996 Charles Blake <cblake@bbn.com>
* Copyright © 1993 J. Cowley
* Copyright © 1995 Martin Schulze <joey@infodrom.north.de>
* Copyright © ???? Larry Greenfield <greenfie@gauss.rutgers.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PROC_MISC_H
#define PROC_MISC_H
#include <sys/types.h>
#include <dirent.h>
#ifdef __cplusplus
extern "C" {
#endif
// //////////////////////////////////////////////////////////////////
// Platform Particulars /////////////////////////////////////////////
long procps_cpu_count (void);
long procps_hertz_get (void);
unsigned int procps_pid_length (void);
// Convenience macros for composing/decomposing version codes
#define LINUX_VERSION(x,y,z) (0x10000*((x)&0x7fff) + 0x100*((y)&0xff) + ((z)&0xff))
#define LINUX_VERSION_MAJOR(x) (((x)>>16) & 0xFF)
#define LINUX_VERSION_MINOR(x) (((x)>> 8) & 0xFF)
#define LINUX_VERSION_PATCH(x) ( (x) & 0xFF)
int procps_linux_version(void);
// //////////////////////////////////////////////////////////////////
// Runtime Particulars //////////////////////////////////////////////
int procps_loadavg (double *av1, double *av5, double *av15);
int procps_uptime (double *uptime_secs, double *idle_secs);
char *procps_uptime_sprint (void);
char *procps_uptime_sprint_short (void);
// //////////////////////////////////////////////////////////////////
// Namespace Particulars ////////////////////////////////////////////
enum namespace_type {
PROCPS_NS_CGROUP,
PROCPS_NS_IPC,
PROCPS_NS_MNT,
PROCPS_NS_NET,
PROCPS_NS_PID,
PROCPS_NS_TIME,
PROCPS_NS_USER,
PROCPS_NS_UTS,
PROCPS_NS_COUNT // total namespaces (fencepost)
};
struct procps_ns {
unsigned long ns[PROCPS_NS_COUNT];
};
const char *procps_ns_get_name (const int id);
int procps_ns_get_id (const char *name);
int procps_ns_read_pid (const int pid, struct procps_ns *nsp);
#ifdef __cplusplus
}
#endif
#endif
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