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/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
 */

#ifndef _SYS_ZFS_DEBUG_H
#define	_SYS_ZFS_DEBUG_H

#ifdef	__cplusplus
extern "C" {
#endif

#ifndef TRUE
#define	TRUE 1
#endif

#ifndef FALSE
#define	FALSE 0
#endif

extern int zfs_flags;
extern int zfs_recover;
extern int zfs_free_leak_on_eio;

#define	ZFS_DEBUG_DPRINTF		(1<<0)
#define	ZFS_DEBUG_DBUF_VERIFY		(1<<1)
#define	ZFS_DEBUG_DNODE_VERIFY		(1<<2)
#define	ZFS_DEBUG_SNAPNAMES		(1<<3)
#define	ZFS_DEBUG_MODIFY		(1<<4)
#define	ZFS_DEBUG_SPA			(1<<5)
#define	ZFS_DEBUG_ZIO_FREE		(1<<6)
#define	ZFS_DEBUG_HISTOGRAM_VERIFY	(1<<7)

extern void __dprintf(const char *file, const char *func,
    int line, const char *fmt, ...);
#define	dprintf(...) \
	__dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
#define	zfs_dbgmsg(...) \
	__dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)

extern void zfs_panic_recover(const char *fmt, ...);

typedef struct zfs_dbgmsg {
	list_node_t zdm_node;
	time_t zdm_timestamp;
	int zdm_size;
	char zdm_msg[1]; /* variable length allocation */
} zfs_dbgmsg_t;

extern void zfs_dbgmsg_init(void);
extern void zfs_dbgmsg_fini(void);

#ifndef _KERNEL
extern int dprintf_find_string(const char *string);
#endif

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_ZFS_DEBUG_H */