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