diff options
Diffstat (limited to 'cddl/contrib/opensolaris/lib/libdtrace/common/dt_pq.h')
| -rw-r--r-- | cddl/contrib/opensolaris/lib/libdtrace/common/dt_pq.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_pq.h b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_pq.h new file mode 100644 index 000000000000..8184a90c6656 --- /dev/null +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_pq.h @@ -0,0 +1,51 @@ +/* + * 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 */ |