82a0dcda0f
This commit just contains some tweaks to comments plus a few adjustments to whitespace for alignment purposes and a normalization of the header inclusion #define's. [ plus a spelling error in one header file was fixed ] Signed-off-by: Jim Warner <james.warner@comcast.net>
135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/*
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* libprocps - Library to read proc filesystem
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*
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* Copyright (C) 1998-2005 Albert Cahalan
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* Copyright (C) 2015 Craig Small <csmall@enc.com.au>
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* Copyright (C) 2016 Jim Warnerl <james.warner@comcast.net>
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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_SLABINFO_H
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#define PROCPS_SLABINFO_H
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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enum slabinfo_item {
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SLABINFO_noop, // ( never altered )
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SLABINFO_extra, // ( reset to zero )
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SLABS_OBJS, // u_int
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SLABS_AOBJS, // u_int
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SLABS_PAGES, // u_int
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SLABS_SLABS, // u_int
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SLABS_ASLABS, // u_int
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SLABS_CACHES, // u_int
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SLABS_ACACHES, // u_int
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SLABS_SIZE_AVG, // u_int
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SLABS_SIZE_MIN, // u_int
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SLABS_SIZE_MAX, // u_int
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SLABS_SIZE_ACTIVE, // ul_int
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SLABS_SIZE_TOTAL, // ul_int
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SLABS_DELTA_OBJS, // s_int
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SLABS_DELTA_AOBJS, // s_int
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SLABS_DELTA_PAGES, // s_int
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SLABS_DELTA_SLABS, // s_int
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SLABS_DELTA_ASLABS, // s_int
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SLABS_DELTA_CACHES, // s_int
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SLABS_DELTA_ACACHES, // s_int
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SLABS_DELTA_SIZE_AVG, // s_int
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SLABS_DELTA_SIZE_MIN, // s_int
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SLABS_DELTA_SIZE_MAX, // s_int
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SLABS_DELTA_SIZE_ACTIVE, // s_int
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SLABS_DELTA_SIZE_TOTAL, // s_int
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SLABNODE_NAME, // str
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SLABNODE_OBJS, // u_int
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SLABNODE_AOBJS, // u_int
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SLABNODE_OBJ_SIZE, // u_int
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SLABNODE_OBJS_PER_SLAB, // u_int
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SLABNODE_PAGES_PER_SLAB, // u_int
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SLABNODE_SLABS, // u_int
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SLABNODE_ASLABS, // u_int
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SLABNODE_USE, // u_int
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SLABNODE_SIZE // ul_int
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};
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enum slabinfo_sort_order {
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SLABINFO_SORT_ASCEND = +1,
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SLABINFO_SORT_DESCEND = -1
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};
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struct slabinfo_result {
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enum slabinfo_item item;
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union {
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signed int s_int;
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unsigned int u_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 slabinfo_stack {
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struct slabinfo_result *head;
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};
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struct slabinfo_reap {
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int total;
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struct slabinfo_stack **stacks;
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};
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#define SLABINFO_GET( info, actual_enum, type ) ( { \
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struct slabinfo_result *r = procps_slabinfo_get( info, actual_enum ); \
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r ? r->result . type : 0; } )
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#define SLABINFO_VAL( relative_enum, type, stack, info ) \
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stack -> head [ relative_enum ] . result . type
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struct slabinfo_info;
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int procps_slabinfo_new (struct slabinfo_info **info);
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int procps_slabinfo_ref (struct slabinfo_info *info);
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int procps_slabinfo_unref (struct slabinfo_info **info);
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struct slabinfo_result *procps_slabinfo_get (
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struct slabinfo_info *info,
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enum slabinfo_item item);
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struct slabinfo_reap *procps_slabinfo_reap (
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struct slabinfo_info *info,
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enum slabinfo_item *items,
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int numitems);
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struct slabinfo_stack *procps_slabinfo_select (
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struct slabinfo_info *info,
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enum slabinfo_item *items,
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int numitems);
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struct slabinfo_stack **procps_slabinfo_sort (
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struct slabinfo_info *info,
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struct slabinfo_stack *stacks[],
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int numstacked,
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enum slabinfo_item sortitem,
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enum slabinfo_sort_order order);
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__END_DECLS
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#endif
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