mmaped_file.rb in prometheus-client-mmap-0.7.0.beta22

- old
+ new

@@ -22,25 +22,23 @@
 
         def used=(value)
           self[0..3] = [value].pack('l')
         end
 
-        def add_entry(data, value)
+        def try_add_entry(data, value)
           self.used = START_POSITION if used.zero?
 
           # Pad to be 8-byte aligned.
           padded = data + (' ' * (8 - (data.length + 4) % 8))
           entry = [data.length, padded, value].pack("lA#{padded.length}d")
           used_ = used
 
-          while (used_ + entry.length) > @size do
-            extend(size)
-            @size = File.size(filepath)
-          end
+          return false if (used_ + entry.length) > @size
 
           self[used_..used_ + entry.length] = entry
-
           self.used = used_ + entry.length
+
+          true
         end
 
         def close
           munmap
         end