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library: sysstat and vmstat api changes

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Use the standard libc declarations.
For protecting the headers for C++ procps used to have its
own defines, this change makes them use the standard libc ones.

getstat() -> procps_stat_*
vminfo() -> procps_vmstat_*
These two components of the library now use the newer version of
the API with less exposed global variables. The old methods are
there for now.

Signed-off-by: Craig Small <csmall@enc.com.au>
This commit is contained in:
Craig Small
2015-06-20 07:43:02 +10:00
parent 6a0850be7b
commit a410e236ab
18 changed files with 600 additions and 106 deletions
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44
proc/vmstat.h Normal file
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@@ -0,0 +1,44 @@
/*
* libprocps - Library to read proc filesystem
*
* Copyright (C) 1995 Martin Schulze <joey@infodrom.north.de>
* Copyright (C) 1996 Charles Blake <cblake@bbn.com>
* Copyright (C) 2003 Albert Cahalan
* Copyright (C) 2015 Craig Small <csmall@enc.com.au>
*
* 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_VMSTAT_H
#define PROC_VMSTAT_H
#include <proc/procps.h>
__BEGIN_DECLS
struct vmstat_info;
int procps_vmstat_new(struct vmstat_info **info);
int procps_vmstat_read(struct vmstat_info *info);
struct vmstat_info *procps_vmstat_ref(struct vmstat_info *info);
struct vmstat_info *procps_vmstat_unref(struct vmstat_info *info);
enum vmstat_item {
VMSTAT_INFO_PGPGIN,
VMSTAT_INFO_PGPGOUT,
VMSTAT_INFO_PSWPIN,
VMSTAT_INFO_PSWPOUT
};
unsigned long procps_vmstat_get(struct vmstat_info *info, enum vmstat_item item);
__END_DECLS
#endif