usr/src/cmd/fs.d/ufs/roll_log/roll_log.h

   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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1996,1997,2001 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #ifndef _ROLL_LOG_H
  28 #define _ROLL_LOG_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <sys/fs/ufs_fs.h>
  33
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 /*
  39  * This file contains definitions for the module that rolls the Unix File
  40  * System log.
  41  */
  42
  43 /*
  44  * rl_result_t defines the type of the value that is returned by all roll
  45  * log functions.
  46  */
  47
  48 typedef enum rl_result {
  49         /*
  50          * Choose values so that all passing returns are >= 0, and all
  51          * failing returns are < 0.
  52          */
  53
  54         RL_CORRUPT = -4,                /* Corrupted on disk structure. */
  55         RL_FAIL = -3,                   /* Generic failure. */
  56         RL_SYSERR = -2,                 /* Failing system call. */
  57         RL_FALSE = -1,
  58         RL_SUCCESS = 0,
  59         RL_TRUE = 1
  60 } rl_result_t;
  61
  62 /* Functions defined in roll_log.c */
  63
  64 extern rl_result_t      rl_roll_log(char *dev);
  65 extern rl_result_t      rl_log_control(char *dev, int request);
  66
  67 #ifdef  __cplusplus
  68 }
  69 #endif
  70
  71 #endif  /* _ROLL_LOG_H */