aboutsummaryrefslogtreecommitdiff
path: root/lib/libdtrace/common/dt_inttab.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libdtrace/common/dt_inttab.h')
-rw-r--r--lib/libdtrace/common/dt_inttab.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/libdtrace/common/dt_inttab.h b/lib/libdtrace/common/dt_inttab.h
new file mode 100644
index 000000000000..c1e86e3eca4e
--- /dev/null
+++ b/lib/libdtrace/common/dt_inttab.h
@@ -0,0 +1,69 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _DT_INTTAB_H
+#define _DT_INTTAB_H
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include <dtrace.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct dt_inthash {
+ struct dt_inthash *inh_hash; /* next dt_inthash in hash chain */
+ struct dt_inthash *inh_next; /* next dt_inthash in output table */
+ uint64_t inh_value; /* value associated with this element */
+ uint_t inh_index; /* index associated with this element */
+ uint_t inh_flags; /* flags (see below) */
+} dt_inthash_t;
+
+typedef struct dt_inttab {
+ dtrace_hdl_t *int_hdl; /* pointer back to library handle */
+ dt_inthash_t **int_hash; /* array of hash buckets */
+ uint_t int_hashlen; /* size of hash bucket array */
+ uint_t int_nelems; /* number of elements hashed */
+ dt_inthash_t *int_head; /* head of table in index order */
+ dt_inthash_t *int_tail; /* tail of table in index order */
+ uint_t int_index; /* next index to hand out */
+} dt_inttab_t;
+
+#define DT_INT_PRIVATE 0 /* only a single ref for this entry */
+#define DT_INT_SHARED 1 /* multiple refs can share entry */
+
+extern dt_inttab_t *dt_inttab_create(dtrace_hdl_t *);
+extern void dt_inttab_destroy(dt_inttab_t *);
+extern int dt_inttab_insert(dt_inttab_t *, uint64_t, uint_t);
+extern uint_t dt_inttab_size(const dt_inttab_t *);
+extern void dt_inttab_write(const dt_inttab_t *, uint64_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _DT_INTTAB_H */