1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright (c) 2012 by Delphix. All rights reserved. 24 */ 25 26 #ifndef _SYS_ZFS_DEBUG_H 27 #define _SYS_ZFS_DEBUG_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #ifndef TRUE 34 #define TRUE 1 35 #endif 36 37 #ifndef FALSE 38 #define FALSE 0 39 #endif 40 41 /* 42 * ZFS debugging 43 */ 44 45 #if defined(DEBUG) || !defined(_KERNEL) 46 #define ZFS_DEBUG 47 #endif 48 49 extern int zfs_flags; 50 51 #define ZFS_DEBUG_DPRINTF 0x0001 52 #define ZFS_DEBUG_DBUF_VERIFY 0x0002 53 #define ZFS_DEBUG_DNODE_VERIFY 0x0004 54 #define ZFS_DEBUG_SNAPNAMES 0x0008 55 #define ZFS_DEBUG_MODIFY 0x0010 56 57 #ifdef ZFS_DEBUG 58 extern void __dprintf(const char *file, const char *func, 59 int line, const char *fmt, ...); 60 #define dprintf(...) \ 61 if (zfs_flags & ZFS_DEBUG_DPRINTF) \ 62 __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) 63 #else 64 #define dprintf(...) ((void)0) 65 #endif /* ZFS_DEBUG */ 66 67 extern void zfs_panic_recover(const char *fmt, ...); 68 69 typedef struct zfs_dbgmsg { 70 list_node_t zdm_node; 71 time_t zdm_timestamp; 72 char zdm_msg[1]; /* variable length allocation */ 73 } zfs_dbgmsg_t; 74 75 extern void zfs_dbgmsg_init(void); 76 extern void zfs_dbgmsg_fini(void); 77 extern void zfs_dbgmsg(const char *fmt, ...); 78 79 #ifndef _KERNEL 80 extern int dprintf_find_string(const char *string); 81 #endif 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _SYS_ZFS_DEBUG_H */ 88