fmd_log.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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 _FMD_LOG_H
#define _FMD_LOG_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/stat.h>
#include <pthread.h>
#include <exacct.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <fmd_api.h>
typedef struct fmd_log {
char *log_name; /* file pathname */
char *log_tag; /* file content tag */
int log_fd; /* file descriptor */
struct stat64 log_stat; /* status of file at log_open() time */
ea_file_t log_ea; /* exacct file structure */
pthread_mutex_t log_lock; /* lock for flags, refs, off, append */
pthread_cond_t log_cv; /* condition variable for waiters */
int log_flags; /* file flags (see below) */
uint_t log_refs; /* file reference count */
uint_t log_pending; /* number of pending log commits */
off64_t log_toc; /* offset of table of contents */
off64_t log_beg; /* offset of first data record */
off64_t log_off; /* offset at which to append */
off64_t log_skip; /* offset to skip to for replay */
uint64_t log_minfree; /* minimum free bytes for filesystem */
} fmd_log_t;
#define FMD_LF_EAOPEN 0x1 /* log_ea is open and valid */
#define FMD_LF_REPLAY 0x2 /* log records should use replay tag */
#define FMD_LF_DIRTY 0x4 /* log toc should be updated */
#define FMD_LF_BUSY 0x8 /* log is busy; skip updates */
typedef void fmd_log_f(fmd_log_t *, fmd_event_t *, void *);
#define FMD_LOG_ERROR "error" /* tag for error log files */
#define FMD_LOG_FAULT "fault" /* tag for fault log files */
#define FMD_LOG_ASRU "asru" /* tag for asru log files */
extern fmd_log_t *fmd_log_tryopen(const char *, const char *, const char *);
extern fmd_log_t *fmd_log_open(const char *, const char *, const char *);
extern void fmd_log_close(fmd_log_t *);
extern void fmd_log_hold_pending(fmd_log_t *);
extern void fmd_log_hold(fmd_log_t *);
extern void fmd_log_rele(fmd_log_t *);
extern void fmd_log_append(fmd_log_t *, fmd_event_t *, fmd_case_t *);
extern void fmd_log_commit(fmd_log_t *, fmd_event_t *);
extern void fmd_log_decommit(fmd_log_t *, fmd_event_t *);
extern void fmd_log_replay(fmd_log_t *, fmd_log_f *, void *);
extern void fmd_log_update(fmd_log_t *);
extern fmd_log_t *fmd_log_rotate(fmd_log_t *);
#ifdef __cplusplus
}
#endif
#endif /* _FMD_LOG_H */