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>
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*
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* meminfo - Memory statistics part of procps
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*
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* Copyright (C) 1992-1998 by Michael K. Johnson <johnsonm@redhat.com>
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* Copyright (C) 1998-2003 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_MEMINFO_H
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#define PROC_MEMINFO_H
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#include <proc/procps.h>
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__BEGIN_DECLS
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enum meminfo_item {
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PROCPS_MEMHI_FREE,
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PROCPS_MEMHI_TOTAL,
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PROCPS_MEMHI_USED,
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PROCPS_MEMLO_FREE,
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PROCPS_MEMLO_TOTAL,
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PROCPS_MEMLO_USED,
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PROCPS_MEM_ACTIVE,
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PROCPS_MEM_AVAILABLE,
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PROCPS_MEM_BUFFERS,
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PROCPS_MEM_CACHED,
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PROCPS_MEM_FREE,
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PROCPS_MEM_INACTIVE,
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PROCPS_MEM_SHARED,
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PROCPS_MEM_TOTAL,
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PROCPS_MEM_USED,
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PROCPS_SWAP_FREE,
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PROCPS_SWAP_TOTAL,
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PROCPS_SWAP_USED
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};
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struct meminfo_result {
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enum meminfo_item item;
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unsigned long result;
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struct meminfo_result *next;
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};
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struct procps_meminfo;
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int procps_meminfo_new (struct procps_meminfo **info);
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int procps_meminfo_read (struct procps_meminfo *info);
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struct procps_meminfo *procps_meminfo_ref (struct procps_meminfo *info);
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struct procps_meminfo *procps_meminfo_unref (struct procps_meminfo *info);
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unsigned long procps_meminfo_get (struct procps_meminfo *info, enum meminfo_item item);
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int procps_meminfo_get_chain (struct procps_meminfo *info, struct meminfo_result *item);
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__END_DECLS
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#endif
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