mars/kernel/brick_say.h

120 lines
3.6 KiB
C

/*
* MARS Long Distance Replication Software
*
* This file is part of MARS project: http://schoebel.github.io/mars/
*
* Copyright (C) 2010-2014 Thomas Schoebel-Theuer
* Copyright (C) 2011-2014 1&1 Internet AG
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef BRICK_SAY_H
#define BRICK_SAY_H
/* This is historic.
* To disappear in the long term.
* DEPRECTAED since mars0.1astable155.
* When CONFIG_MARS_DEBUG_DEVEL_VIA_SAY is unset, an empty .o
* should be created (for now).
* Until it vanishes, the old code may be used as a hint for
* debugging alternatives.
*/
#ifdef CONFIG_MARS_DEBUG_DEVEL_VIA_SAY
#ifndef CONFIG_MARS_MODULE
// when unsure, include faked config file
#include "mars_config.h"
#endif
/////////////////////////////////////////////////////////////////////////
extern int brick_say_logging;
extern int brick_say_debug;
extern int brick_say_syslog_min;
extern int brick_say_syslog_max;
extern int brick_say_syslog_flood_class;
extern int brick_say_syslog_flood_limit;
extern int brick_say_syslog_flood_recovery;
extern int delay_say_on_overflow;
enum _say_mode {
SAY_DEBUG,
SAY_INFO,
SAY_WARN,
SAY_ERROR,
SAY_FATAL,
SAY_TOTAL,
MAX_SAY_CLASS
} __packed;
extern const char *say_class[MAX_SAY_CLASS];
struct say_channel;
extern struct say_channel *default_channel;
extern struct say_channel *make_channel(const char *name, bool must_exit);
extern void del_channel(struct say_channel *ch);
extern void bind_to_channel(struct say_channel *ch, struct task_struct *whom);
#define bind_me(_name) \
bind_to_channel(make_channel(_name), current)
extern struct say_channel *get_binding(struct task_struct *whom);
extern void remove_binding_from(struct say_channel *ch, struct task_struct *whom);
extern void remove_binding(struct task_struct *whom);
extern void rollover_channel(struct say_channel *ch);
extern void rollover_all(void);
extern void say_to(struct say_channel *ch, int class, const char *fmt, ...) __attribute__ ((format (printf, 3, 4)));
#define say(_class, _fmt, _args...) \
say_to(NULL, _class, _fmt, ##_args)
extern void brick_say_to(struct say_channel *ch, int class, bool dump, const char *prefix, const char *file, int line, const char *func, const char *fmt, ...) __attribute__ ((format (printf, 8, 9)));
#define brick_say(_class, _dump, _prefix, _file, _line, _func, _fmt, _args...) \
brick_say_to(NULL, _class, _dump, _prefix, _file, _line, _func, _fmt, ##_args)
extern void init_say(void);
extern void exit_say(void);
#ifdef CONFIG_MARS_DEBUG
#define INLINE static inline
//#define INLINE __attribute__((__noinline__))
extern void brick_dump_stack(void);
#else // CONFIG_MARS_DEBUG
#define INLINE static inline
#define brick_dump_stack() /*empty*/
#endif // CONFIG_MARS_DEBUG
#else /* CONFIG_MARS_DEBUG_DEVEL_VIA_SAY */
/* old macros, as far as necessary (also to disappear) */
#define INLINE static inline
#define brick_say(_args...) /*empty*/
#endif /* CONFIG_MARS_DEBUG_DEVEL_VIA_SAY */
#endif