1*09e6105fSMark Johnston /* 2*09e6105fSMark Johnston * CDDL HEADER START 3*09e6105fSMark Johnston * 4*09e6105fSMark Johnston * This file and its contents are supplied under the terms of the 5*09e6105fSMark Johnston * Common Development and Distribution License ("CDDL"), version 1.0. 6*09e6105fSMark Johnston * You may only use this file in accordance with the terms of version 7*09e6105fSMark Johnston * 1.0 of the CDDL. 8*09e6105fSMark Johnston * 9*09e6105fSMark Johnston * A full copy of the text of the CDDL should have accompanied this 10*09e6105fSMark Johnston * source. A copy of the CDDL is also available via the Internet at 11*09e6105fSMark Johnston * http://www.illumos.org/license/CDDL. 12*09e6105fSMark Johnston * 13*09e6105fSMark Johnston * CDDL HEADER END 14*09e6105fSMark Johnston */ 15*09e6105fSMark Johnston 16*09e6105fSMark Johnston /* 17*09e6105fSMark Johnston * Copyright (c) 2012 by Delphix. All rights reserved. 18*09e6105fSMark Johnston */ 19*09e6105fSMark Johnston 20*09e6105fSMark Johnston #ifndef _DT_PQ_H 21*09e6105fSMark Johnston #define _DT_PQ_H 22*09e6105fSMark Johnston 23*09e6105fSMark Johnston #include <dtrace.h> 24*09e6105fSMark Johnston 25*09e6105fSMark Johnston #ifdef __cplusplus 26*09e6105fSMark Johnston extern "C" { 27*09e6105fSMark Johnston #endif 28*09e6105fSMark Johnston 29*09e6105fSMark Johnston typedef uint64_t (*dt_pq_value_f)(void *, void *); 30*09e6105fSMark Johnston 31*09e6105fSMark Johnston typedef struct dt_pq { 32*09e6105fSMark Johnston dtrace_hdl_t *dtpq_hdl; /* dtrace handle */ 33*09e6105fSMark Johnston void **dtpq_items; /* array of elements */ 34*09e6105fSMark Johnston uint_t dtpq_size; /* count of allocated elements */ 35*09e6105fSMark Johnston uint_t dtpq_last; /* next free slot */ 36*09e6105fSMark Johnston dt_pq_value_f dtpq_value; /* callback to get the value */ 37*09e6105fSMark Johnston void *dtpq_arg; /* callback argument */ 38*09e6105fSMark Johnston } dt_pq_t; 39*09e6105fSMark Johnston 40*09e6105fSMark Johnston extern dt_pq_t *dt_pq_init(dtrace_hdl_t *, uint_t size, dt_pq_value_f, void *); 41*09e6105fSMark Johnston extern void dt_pq_fini(dt_pq_t *); 42*09e6105fSMark Johnston 43*09e6105fSMark Johnston extern void dt_pq_insert(dt_pq_t *, void *); 44*09e6105fSMark Johnston extern void *dt_pq_pop(dt_pq_t *); 45*09e6105fSMark Johnston extern void *dt_pq_walk(dt_pq_t *, uint_t *); 46*09e6105fSMark Johnston 47*09e6105fSMark Johnston #ifdef __cplusplus 48*09e6105fSMark Johnston } 49*09e6105fSMark Johnston #endif 50*09e6105fSMark Johnston 51*09e6105fSMark Johnston #endif /* _DT_PQ_H */ 52