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2022-09-29 17:59:04 +03:00

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C

#ifndef MLOG_H
#define MLOG_H
#ident "$Header: /proj/irix6.5.7m/isms/eoe/cmd/xfs/dump/common/RCS/mlog.h,v 1.9 1996/02/09 01:13:54 doucette Exp $"
/* mlog.[hc] - message logging abstraction
*/
#include <stdarg.h>
/* defined log levels - msg will be logged only if cmdline -v arg
* is greater than or equal to its level.
*/
#define MLOG_NORMAL 0 /* OLD */
#define MLOG_SILENT 0 /* NEW */
#define MLOG_VERBOSE 1
#define MLOG_TRACE 2
#define MLOG_DEBUG 3
#define MLOG_NITTY 4
#define MLOG_LEVELMASK 0xff
/* modifier flags for the level - only the first is generally exported
*/
#define MLOG_BARE 0x010000 /* don't print preamble */
#define MLOG_NOTE 0x020000 /* use NOTE format */
#define MLOG_WARNING 0x040000 /* use WARNING format */
#define MLOG_ERROR 0x080000 /* use ERROR format */
#define MLOG_NOLOCK 0x100000 /* do not attempt to obtain mlog lock */
/* subsystem ids: allows per-subsystem control of log level.
* use to index mlog_level_ss.
*/
#define MLOG_SS_GEN 0 /* default if no subsystem specified */
#define MLOG_SS_PROC 1 /* process/thread-related */
#define MLOG_SS_DRIVE 2 /* I/O-related */
#define MLOG_SS_MEDIA 3 /* media-related */
#define MLOG_SS_INV 4 /* media inventory */
#ifdef DUMP
#define MLOG_SS_INOMAP 5 /* dump inode number map */
#endif /* DUMP */
#ifdef RESTORE
#define MLOG_SS_TREE 5 /* restore tree */
#endif /* RESTORE */
#define MLOG_SS_CNT 6 /* NOTE! bump this when adding ss */
#define MLOG_SS_SHIFT 8
#define MLOG_SS_MASK ( 0xff << MLOG_SS_SHIFT )
/* subsystem flags - NOTE! only one may be specified! use in mlog( first arg )
*/
#define MLOG_ALL ( MLOG_SS_GEN << MLOG_SS_SHIFT )
#define MLOG_PROC ( MLOG_SS_PROC << MLOG_SS_SHIFT )
#define MLOG_DRIVE ( MLOG_SS_DRIVE << MLOG_SS_SHIFT )
#define MLOG_MEDIA ( MLOG_SS_MEDIA << MLOG_SS_SHIFT )
#define MLOG_INV ( MLOG_SS_INV << MLOG_SS_SHIFT )
#ifdef DUMP
#define MLOG_INOMAP ( MLOG_SS_INOMAP << MLOG_SS_SHIFT )
#endif /* DUMP */
#ifdef RESTORE
#define MLOG_TREE ( MLOG_SS_TREE << MLOG_SS_SHIFT )
#endif /* RESTORE */
/* mlog_level - set during initialization, exported to facilitate
* message logging decisions. one per subsystem (see above)
*/
extern intgen_t mlog_level_ss[ MLOG_SS_CNT ];
/* made external so main.c sigint dialog can change
*/
extern intgen_t mlog_showlevel;
extern intgen_t mlog_showss;
extern intgen_t mlog_timestamp;
/* mlog_ss_name - so main.c sigint dialog can allow changes
*/
extern char *mlog_ss_names[ MLOG_SS_CNT ];
/* initializes the mlog abstraction. split into two phases to
* unravel some initialization sequencing problems.
*/
extern bool_t mlog_init1( intgen_t argc, char *argv[ ] );
extern bool_t mlog_init2( void );
/* post-initialization, to tell mlog how many streams
*/
extern void mlog_tell_streamcnt( size_t streamcnt );
/* vprintf-based message format
*/
extern void mlog( intgen_t level, char *fmt, ... );
extern void mlog_va( intgen_t levelarg, char *fmt, va_list args );
/* the following calls are exported ONLY to dlog.c!
*/
extern void mlog_lock( void );
extern void mlog_unlock( void );
#endif /* MLOG_H */