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/*
Copyright (C) 2009 Red Hat, Inc.
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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _H_STAT
#define _H_STAT
#include <stdint.h>
typedef uint32_t StatNodeRef;
#define INVALID_STAT_REF (~(StatNodeRef)0)
#ifdef RED_STATISTICS
StatNodeRef stat_add_node(StatNodeRef parent, const char *name, int visible);
void stat_remove_node(StatNodeRef node);
uint64_t *stat_add_counter(StatNodeRef parent, const char *name, int visible);
void stat_remove_counter(uint64_t *counter);
#define stat_inc_counter(counter, value) { \
if (counter) { \
*(counter) += (value); \
} \
}
#else
#define stat_add_node(p, n, v) INVALID_STAT_REF
#define stat_remove_node(n)
#define stat_add_counter(p, n, v) NULL
#define stat_remove_counter(c)
#define stat_inc_counter(c, v)
#endif
#endif
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