mmaped_dict.rb in prometheus-client-mmap-0.7.0.beta11

- old
+ new

@@ -1,6 +1,7 @@
 require 'prometheus/client'
+require 'mmap'
 
 module Prometheus
   module Client
     class ParsingError < StandardError; end
 
@@ -46,11 +47,14 @@
         pos = @positions[key]
         # We assume that writing to an 8 byte aligned value is atomic.
         @m[pos..pos+7] = [value].pack('d')
       end
 
-      def close()
+      def close
         @m.munmap
+      rescue TypeError => e
+        Prometheus::Client.logger.warn("munmap raised error #{e}")
+      ensure
         @f.close
       end
 
       def initial_mmap_file_size
         Prometheus::Client.configuration.initial_mmap_file_size
\ No newline at end of file