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Diffstat (limited to 'src/lib/log/log.h')
-rw-r--r--src/lib/log/log.h22
1 files changed, 16 insertions, 6 deletions
diff --git a/src/lib/log/log.h b/src/lib/log/log.h
index 0420f35ee0..a381220af0 100644
--- a/src/lib/log/log.h
+++ b/src/lib/log/log.h
@@ -114,8 +114,9 @@
#define LD_PT (1u<<27)
/** Bootstrap tracker. */
#define LD_BTRACK (1u<<28)
-/** Number of logging domains in the code. */
-#define N_LOGGING_DOMAINS 29
+/** Message-passing backend. */
+#define LD_MESG (1u<<29)
+#define N_LOGGING_DOMAINS 30
/** This log message is not safe to send to a callback-based logger
* immediately. Used as a flag, not a log domain. */
@@ -193,6 +194,15 @@ void tor_log_get_logfile_names(struct smartlist_t *out);
extern int log_global_min_severity_;
+static inline bool debug_logging_enabled(void);
+/**
+ * Return true iff debug logging is enabled for at least one domain.
+ */
+static inline bool debug_logging_enabled(void)
+{
+ return PREDICT_UNLIKELY(log_global_min_severity_ == LOG_DEBUG);
+}
+
void log_fn_(int severity, log_domain_mask_t domain,
const char *funcname, const char *format, ...)
CHECK_PRINTF(4,5);
@@ -222,8 +232,8 @@ void tor_log_string(int severity, log_domain_mask_t domain,
log_fn_ratelim_(ratelim, severity, domain, __FUNCTION__, args)
#define log_debug(domain, args...) \
STMT_BEGIN \
- if (PREDICT_UNLIKELY(log_global_min_severity_ == LOG_DEBUG)) \
- log_fn_(LOG_DEBUG, domain, __FUNCTION__, args); \
+ if (debug_logging_enabled()) \
+ log_fn_(LOG_DEBUG, domain, __FUNCTION__, args); \
STMT_END
#define log_info(domain, args...) \
log_fn_(LOG_INFO, domain, __FUNCTION__, args)
@@ -240,8 +250,8 @@ void tor_log_string(int severity, log_domain_mask_t domain,
#define log_debug(domain, args, ...) \
STMT_BEGIN \
- if (PREDICT_UNLIKELY(log_global_min_severity_ == LOG_DEBUG)) \
- log_fn_(LOG_DEBUG, domain, __FUNCTION__, args, ##__VA_ARGS__); \
+ if (debug_logging_enabled()) \
+ log_fn_(LOG_DEBUG, domain, __FUNCTION__, args, ##__VA_ARGS__); \
STMT_END
#define log_info(domain, args,...) \
log_fn_(LOG_INFO, domain, __FUNCTION__, args, ##__VA_ARGS__)