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/*
* CDDL HEADER START
*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2012 by Delphix. All rights reserved.
*/
#ifndef _DT_PQ_H
#define _DT_PQ_H
#include <dtrace.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef uint64_t (*dt_pq_value_f)(void *, void *);
typedef struct dt_pq {
dtrace_hdl_t *dtpq_hdl; /* dtrace handle */
void **dtpq_items; /* array of elements */
uint_t dtpq_size; /* count of allocated elements */
uint_t dtpq_last; /* next free slot */
dt_pq_value_f dtpq_value; /* callback to get the value */
void *dtpq_arg; /* callback argument */
} dt_pq_t;
extern dt_pq_t *dt_pq_init(dtrace_hdl_t *, uint_t size, dt_pq_value_f, void *);
extern void dt_pq_fini(dt_pq_t *);
extern void dt_pq_insert(dt_pq_t *, void *);
extern void *dt_pq_pop(dt_pq_t *);
extern void *dt_pq_walk(dt_pq_t *, uint_t *);
#ifdef __cplusplus
}
#endif
#endif /* _DT_PQ_H */
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