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/*
* 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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _FMD_TRACE_H
#define _FMD_TRACE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <stdarg.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct fmd_tracerec {
hrtime_t tr_time; /* high-resolution timestamp */
const char *tr_file; /* source file name */
uint32_t tr_line; /* source file line */
uint16_t tr_errno; /* errno value if error */
uint8_t tr_tag; /* tag (see <fmd_subr.h>) */
uint8_t tr_depth; /* depth of tr_stack[] */
char tr_msg[64]; /* formatted message */
uintptr_t tr_stack[1]; /* stack trace (optional) */
} fmd_tracerec_t;
typedef struct fmd_tracebuf {
fmd_tracerec_t *tb_buf; /* pointer to first trace record */
fmd_tracerec_t *tb_end; /* pointer to last trace record */
fmd_tracerec_t *tb_ptr; /* next trace record to use */
uint_t tb_frames; /* maximum captured frames */
uint_t tb_recs; /* number of trace records */
uint_t tb_size; /* size of each record */
uint_t tb_depth; /* recursion depth of trace function */
} fmd_tracebuf_t;
typedef fmd_tracerec_t *fmd_tracebuf_f(fmd_tracebuf_t *,
uint_t, const char *, va_list);
extern fmd_tracebuf_t *fmd_trace_create(void);
extern void fmd_trace_destroy(fmd_tracebuf_t *);
extern fmd_tracebuf_f fmd_trace_none;
extern fmd_tracebuf_f fmd_trace_lite;
extern fmd_tracebuf_f fmd_trace_full;
#ifdef __cplusplus
}
#endif
#endif /* _FMD_TRACE_H */
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