external/gpl2/lvm2/dist/lib/log/lvm-logging.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
   5  * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
   6  *
   7  * This file is part of LVM2.
   8  *
   9  * This copyrighted material is made available to anyone wishing to use,
  10  * modify, copy, or redistribute it subject to the terms and conditions
  11  * of the GNU Lesser General Public License v.2.1.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public License
  14  * along with this program; if not, write to the Free Software Foundation,
  15  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #ifndef _LVM_LOGGING_H
  19 #define _LVM_LOGGING_H
  20
  21 void print_log(int level, const char *file, int line, int dm_errno,
  22                const char *format, ...)
  23     __attribute__ ((format(printf, 5, 6)));
  24
  25 #define LOG_LINE(l, x...) \
  26     print_log(l, __FILE__, __LINE__ , 0, ## x)
  27
  28 #define LOG_LINE_WITH_ERRNO(l, e, x...) \
  29     print_log(l, __FILE__, __LINE__ , e, ## x)
  30
  31 #include "log.h"
  32
  33 typedef void (*lvm2_log_fn_t) (int level, const char *file, int line,
  34                                int dm_errno, const char *message);
  35
  36 void init_log_fn(lvm2_log_fn_t log_fn);
  37
  38 void init_indent(int indent);
  39 void init_msg_prefix(const char *prefix);
  40
  41 void init_log_file(const char *log_file, int append);
  42 void init_log_direct(const char *log_file, int append);
  43 void init_log_while_suspended(int log_while_suspended);
  44
  45 void fin_log(void);
  46 void release_log_memory(void);
  47
  48 void init_syslog(int facility);
  49 void fin_syslog(void);
  50
  51 int error_message_produced(void);
  52 void reset_lvm_errno(int store_errmsg);
  53 int stored_errno(void);
  54 const char *stored_errmsg(void);
  55
  56 /* Suppress messages to stdout/stderr (1) or everywhere (2) */
  57 /* Returns previous setting */
  58 int log_suppress(int suppress);
  59
  60 /* Suppress messages to syslog */
  61 void syslog_suppress(int suppress);
  62
  63 #endif