a05084f381
If a caller chooses to reduce the overhead of repeated function calls, this commit provides for acquiring all the desired information in just a single library call. Signed-off-by: Jim Warner <james.warner@comcast.net>
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
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* libprocps - Library to read proc filesystem
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*
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* Copyright (C) 1995 Martin Schulze <joey@infodrom.north.de>
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* Copyright (C) 1996 Charles Blake <cblake@bbn.com>
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* Copyright (C) 2003 Albert Cahalan
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* Copyright (C) 2015 Craig Small <csmall@enc.com.au>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef PROC_VMSTAT_H
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#define PROC_VMSTAT_H
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#include <proc/procps.h>
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__BEGIN_DECLS
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enum vmstat_item {
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PROCPS_VMSTAT_PGPGIN,
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PROCPS_VMSTAT_PGPGOUT,
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PROCPS_VMSTAT_PSWPIN,
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PROCPS_VMSTAT_PSWPOUT
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};
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struct vmstat_result {
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enum vmstat_item item;
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unsigned long result;
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struct vmstat_result *next;
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};
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struct procps_vmstat;
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int procps_vmstat_new (struct procps_vmstat **info);
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int procps_vmstat_read (struct procps_vmstat *info);
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struct procps_vmstat *procps_vmstat_ref (struct procps_vmstat *info);
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struct procps_vmstat *procps_vmstat_unref (struct procps_vmstat *info);
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unsigned long procps_vmstat_get (struct procps_vmstat *info, enum vmstat_item item);
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int procps_vmstat_get_chain (struct procps_vmstat *info, struct vmstat_result *item);
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__END_DECLS
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#endif
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