diff options
Diffstat (limited to 'lib/log.h')
| -rw-r--r-- | lib/log.h | 45 |
1 files changed, 33 insertions, 12 deletions
@@ -105,27 +105,48 @@ extern void closezlog (struct zlog *zl); /* GCC have printf type attribute check. */ #ifdef __GNUC__ -#define PRINTF_ATTRIBUTE(a,b) __attribute__ ((__format__ (__printf__, a, b))) +#define PRINTF_ATTRIBUTE(a,b) __attribute__ ((format (printf, a, b))) #else #define PRINTF_ATTRIBUTE(a,b) #endif /* __GNUC__ */ +#if !(__GNUC__ == 4) +/* Mark functions as cold. gcc will assume any path leading to a call + to them will be unlikely. This means a lot of paths leading up + to log messages are easily marked as not likely. +*/ +#define COLD_ATTRIBUTE __attribute__((__cold__)) +#else +#define COLD_ATTRIBUTE +#endif + /* Generic function for zlog. */ -extern void zlog (struct zlog *zl, int priority, const char *format, ...) PRINTF_ATTRIBUTE(3, 4); +extern void zlog (struct zlog *zl, int priority, const char *format, ...) + PRINTF_ATTRIBUTE(3, 4); /* Handy zlog functions. */ -extern void zlog_err (const char *format, ...) PRINTF_ATTRIBUTE(1, 2); -extern void zlog_warn (const char *format, ...) PRINTF_ATTRIBUTE(1, 2); -extern void zlog_info (const char *format, ...) PRINTF_ATTRIBUTE(1, 2); -extern void zlog_notice (const char *format, ...) PRINTF_ATTRIBUTE(1, 2); -extern void zlog_debug (const char *format, ...) PRINTF_ATTRIBUTE(1, 2); +extern void zlog_err (const char *format, ...) + PRINTF_ATTRIBUTE(1, 2) COLD_ATTRIBUTE; +extern void zlog_warn (const char *format, ...) + PRINTF_ATTRIBUTE(1, 2) COLD_ATTRIBUTE; +extern void zlog_info (const char *format, ...) + PRINTF_ATTRIBUTE(1, 2) COLD_ATTRIBUTE; +extern void zlog_notice (const char *format, ...) + PRINTF_ATTRIBUTE(1, 2) COLD_ATTRIBUTE; +extern void zlog_debug (const char *format, ...) + PRINTF_ATTRIBUTE(1, 2) COLD_ATTRIBUTE; /* For bgpd's peer oriented log. */ -extern void plog_err (struct zlog *, const char *format, ...); -extern void plog_warn (struct zlog *, const char *format, ...); -extern void plog_info (struct zlog *, const char *format, ...); -extern void plog_notice (struct zlog *, const char *format, ...); -extern void plog_debug (struct zlog *, const char *format, ...); +extern void plog_err (struct zlog *, const char *format, ...) + PRINTF_ATTRIBUTE(2, 3) COLD_ATTRIBUTE; +extern void plog_warn (struct zlog *, const char *format, ...) + PRINTF_ATTRIBUTE(2, 3) COLD_ATTRIBUTE; +extern void plog_info (struct zlog *, const char *format, ...) + PRINTF_ATTRIBUTE(2, 3) COLD_ATTRIBUTE; +extern void plog_notice (struct zlog *, const char *format, ...) + PRINTF_ATTRIBUTE(2, 3) COLD_ATTRIBUTE; +extern void plog_debug (struct zlog *, const char *format, ...) + PRINTF_ATTRIBUTE(2, 3) COLD_ATTRIBUTE; /* Set logging level for the given destination. If the log_level argument is ZLOG_DISABLED, then the destination is disabled. |