added: in FileLog::save_log(): test whether synchro_lock() has returned true

git-svn-id: svn://ttmath.org/publicrep/pikotools/trunk@1216 e52654a7-88a9-db11-a3e9-0013d4bc506e

log/filelog.cpp

@@ -105,34 +105,35 @@ void FileLog::save_log(PT::WTextStream * buffer)
 	if( buffer->empty() )
 		return;
 
-	synchro_lock();
-
-	try
+	if( synchro_lock() )
 	{
-		if( log_stdout )
+		try
 		{
-			PT::WideToUTF8(*buffer, std::cout);
-		}
-
-		if( !log_file.empty() )
-		{
-			if( !log_file_open || !file )
+			if( log_stdout )
 			{
-				file.close();
-				file.clear();
-
-				open_file();
+				PT::WideToUTF8(*buffer, std::cout);
 			}
 
-			if( file )
+			if( !log_file.empty() )
 			{
-				PT::WideToUTF8(*buffer, file);
-				file.flush();
+				if( !log_file_open || !file )
+				{
+					file.close();
+					file.clear();
+
+					open_file();
+				}
+
+				if( file )
+				{
+					PT::WideToUTF8(*buffer, file);
+					file.flush();
+				}
 			}
 		}
-	}
-	catch(...)
-	{
+		catch(...)
+		{
+		}
 	}
 
 	synchro_unlock();