criu/include/log.h
Cyrill Gorcunov c406ccc06f log: Make pr_err_once to use pr_err
No need for core duplication.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
2013-01-14 14:26:07 +04:00

60 lines
1.5 KiB
C

#ifndef __CR_LOG_H__
#define __CR_LOG_H__
#include "log-levels.h"
extern int log_init(const char *output);
extern void log_fini(void);
extern int log_init_by_pid(void);
extern void log_closedir(void);
extern void log_set_fd(int fd);
extern int log_get_fd(void);
extern void log_set_loglevel(unsigned int loglevel);
extern unsigned int log_get_loglevel(void);
extern int vprint_num(char *buf, int blen, int num, char **ps);
extern void print_on_level(unsigned int loglevel, const char *format, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));
#ifndef LOG_PREFIX
# define LOG_PREFIX
#endif
#define pr_msg(fmt, ...) \
print_on_level(LOG_MSG, \
fmt, ##__VA_ARGS__)
#define pr_info(fmt, ...) \
print_on_level(LOG_INFO, \
LOG_PREFIX fmt, ##__VA_ARGS__)
#define pr_err(fmt, ...) \
print_on_level(LOG_ERROR, \
"Error (%s:%d): " LOG_PREFIX fmt, \
__FILE__, __LINE__, ##__VA_ARGS__)
#define pr_err_once(fmt, ...) \
do { \
static bool __printed; \
if (!__printed) { \
pr_err(fmt, ##__VA_ARGS__); \
__printed = 1; \
} \
} while (0)
#define pr_warn(fmt, ...) \
print_on_level(LOG_WARN, \
"Warn (%s:%d): " LOG_PREFIX fmt, \
__FILE__, __LINE__, ##__VA_ARGS__)
#define pr_debug(fmt, ...) \
print_on_level(LOG_DEBUG, \
LOG_PREFIX fmt, ##__VA_ARGS__)
#define pr_perror(fmt, ...) \
pr_err(fmt ": %m\n", ##__VA_ARGS__)
#endif /* __CR_LOG_H__ */