8fcfb01a81
The copyrights of the source files were all out of date and were not the same format. This has been corrected. The source of the authors was examining the git log for each file. Signed-off-by: Craig Small <csmall@dropbear.xyz>
138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
/*
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* diskstats.c - disk I/O related declarations for libprocps
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*
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* Copyright © 2015-2023 Craig Small <csmall@dropbear.xyz>
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* Copyright © 2015-2023 Jim Warner <james.warner@comcast.net>
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* Copyright © 2003 Albert Cahalan
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* Copyright © 2003 Fabian Frederick
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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 PROCPS_DISKSTATS_H
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#define PROCPS_DISKSTATS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum diskstats_item {
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DISKSTATS_noop, // ( never altered )
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DISKSTATS_extra, // ( reset to zero )
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// returns origin, see proc(5)
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// ------- -------------------
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DISKSTATS_NAME, // str /proc/diskstats
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DISKSTATS_TYPE, // s_int "
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DISKSTATS_MAJOR, // s_int "
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DISKSTATS_MINOR, // s_int "
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DISKSTATS_READS, // ul_int "
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DISKSTATS_READS_MERGED, // ul_int "
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DISKSTATS_READ_SECTORS, // ul_int "
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DISKSTATS_READ_TIME, // ul_int "
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DISKSTATS_WRITES, // ul_int "
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DISKSTATS_WRITES_MERGED, // ul_int "
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DISKSTATS_WRITE_SECTORS, // ul_int "
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DISKSTATS_WRITE_TIME, // ul_int "
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DISKSTATS_IO_TIME, // ul_int "
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DISKSTATS_WEIGHTED_TIME, // ul_int "
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DISKSTATS_IO_INPROGRESS, // s_int "
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DISKSTATS_DELTA_READS, // s_int derived from above
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DISKSTATS_DELTA_READS_MERGED, // s_int "
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DISKSTATS_DELTA_READ_SECTORS, // s_int "
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DISKSTATS_DELTA_READ_TIME, // s_int "
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DISKSTATS_DELTA_WRITES, // s_int "
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DISKSTATS_DELTA_WRITES_MERGED, // s_int "
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DISKSTATS_DELTA_WRITE_SECTORS, // s_int "
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DISKSTATS_DELTA_WRITE_TIME, // s_int "
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DISKSTATS_DELTA_IO_TIME, // s_int "
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DISKSTATS_DELTA_WEIGHTED_TIME // s_int "
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};
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enum diskstats_sort_order {
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DISKSTATS_SORT_ASCEND = +1,
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DISKSTATS_SORT_DESCEND = -1
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};
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struct diskstats_result {
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enum diskstats_item item;
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union {
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signed int s_int;
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unsigned long ul_int;
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char *str;
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} result;
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};
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struct diskstats_stack {
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struct diskstats_result *head;
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};
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struct diskstats_reaped {
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int total;
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struct diskstats_stack **stacks;
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};
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struct diskstats_info;
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#define DISKSTATS_TYPE_DISK -11111
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#define DISKSTATS_TYPE_PARTITION -22222
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#define DISKSTATS_GET( info, name, actual_enum, type ) ( { \
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struct diskstats_result *r = procps_diskstats_get( info, name, actual_enum ); \
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r ? r->result . type : 0; } )
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#define DISKSTATS_VAL( relative_enum, type, stack, info ) \
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stack -> head [ relative_enum ] . result . type
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int procps_diskstats_new (struct diskstats_info **info);
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int procps_diskstats_ref (struct diskstats_info *info);
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int procps_diskstats_unref (struct diskstats_info **info);
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struct diskstats_result *procps_diskstats_get (
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struct diskstats_info *info,
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const char *name,
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enum diskstats_item item);
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struct diskstats_reaped *procps_diskstats_reap (
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struct diskstats_info *info,
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enum diskstats_item *items,
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int numitems);
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struct diskstats_stack *procps_diskstats_select (
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struct diskstats_info *info,
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const char *name,
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enum diskstats_item *items,
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int numitems);
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struct diskstats_stack **procps_diskstats_sort (
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struct diskstats_info *info,
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struct diskstats_stack *stacks[],
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int numstacked,
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enum diskstats_item sortitem,
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enum diskstats_sort_order order);
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#ifdef XTRA_PROCPS_DEBUG
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# include "xtra-procps-debug.h"
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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