#ifndef NOTIFY_H_V4O5JY61
#define NOTIFY_H_V4O5JY61

/* simple common notify hook */

typedef void (notify_fn_t)(unsigned int, const char *, ...);
extern notify_fn_t *notify __attribute__((format(printf, 2, 3)));

#define NOTIFY_LEVEL_FATAL 0
#define NOTIFY_LEVEL_ERROR 1
#define NOTIFY_LEVEL_INFO 2
#define NOTIFY_LEVEL_VERBOSE 3
#define NOTIFY_LEVEL_DEBUG 4
#define NOTIFY_LEVEL_LOCK 5

#define NOTIFY(__level__,__fmt__,...) do { if (notify) notify((__level__), __fmt__, ## __VA_ARGS__); } while (0)
#define NOTIFY_FATAL(fmt,...)   NOTIFY(NOTIFY_LEVEL_FATAL,   "@%s:%d/%s/" fmt "\n", __FILE__, __LINE__, __func__, ## __VA_ARGS__)
#define NOTIFY_ERROR(fmt,...)   NOTIFY(NOTIFY_LEVEL_ERROR,   "@%s:%d/%s/" fmt "\n", __FILE__, __LINE__, __func__, ## __VA_ARGS__)
#define NOTIFY_INFO(fmt,...)    NOTIFY(NOTIFY_LEVEL_INFO,    "@%s:%d/%s/" fmt "\n", __FILE__, __LINE__, __func__, ## __VA_ARGS__)
#define NOTIFY_VERBOSE(fmt,...) NOTIFY(NOTIFY_LEVEL_VERBOSE, "@%s:%d/%s/" fmt "\n", __FILE__, __LINE__, __func__, ## __VA_ARGS__)
#ifndef NDEBUG
#define NOTIFY_DEBUG(fmt,...)   NOTIFY(NOTIFY_LEVEL_DEBUG,   "@%s:%d/%s/" fmt "\n", __FILE__, __LINE__, __func__, ## __VA_ARGS__)
#define NOTIFY_DEBUG_LOCK(fmt,...) NOTIFY((NOTIFY_LEVEL_LOCK), "@%s:%d/%s/" fmt "\n", __FILE__, __LINE__, __func__, ## __VA_ARGS__)
#else /* !NDEBUG */
#define NOTIFY_DEBUG(fmt,...) do { } while (0)
#define NOTIFY_DEBUG_LOCK(fmt,...) do { } while (0)
#endif /* !NDEBUG */

#endif /* NOTIFY_H_V4O5JY61 */