2 files changed, 20 insertions, 0 deletions
diff --git a/indra/llcommon/llerror.cpp b/indra/llcommon/llerror.cpp
index 5ed348e13c..16ae1f0604 100644
--- a/indra/llcommon/llerror.cpp
+++ b/indra/llcommon/llerror.cpp
@@ -1493,3 +1493,20 @@ namespace LLError
    }
 }
 
+bool debugLoggingEnabled(const std::string& tag)
+{
+    const char* tags[] = {tag.c_str()};
+    ::size_t tag_count = 1;
+    LLError::CallSite _site(LLError::LEVEL_DEBUG, __FILE__, __LINE__, 
+                            typeid(_LL_CLASS_TO_LOG), __FUNCTION__, false, tags, tag_count);
+    if (LL_UNLIKELY(_site.shouldLog()))
+    {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+
diff --git a/indra/llcommon/llerror.h b/indra/llcommon/llerror.h
index 3beef65723..555a189b00 100644
--- a/indra/llcommon/llerror.h
+++ b/indra/llcommon/llerror.h
@@ -363,4 +363,7 @@ typedef LLError::NoClassInfo _LL_CLASS_TO_LOG;
 #define LL_INFOS_ONCE(...)	lllog(LLError::LEVEL_INFO, true, ##__VA_ARGS__)
 #define LL_WARNS_ONCE(...)	lllog(LLError::LEVEL_WARN, true, ##__VA_ARGS__)
 
+// Check at run-time whether logging is enabled, without generating output
+bool debugLoggingEnabled(const std::string& tag);
+
 #endif // LL_LLERROR_H