lib/cpu/msr.rb in cpu-0.0.1 vs lib/cpu/msr.rb in cpu-0.0.2

@@ -15,12 +15,15 @@
     # Create a new wrapper for the msr kernel file associated with
     # +processor_id+.
     def initialize(processor_id)
       self.class.available? or self.class.load_module
       begin
-        @io = IO.new IO.sysopen('/dev/cpu/%d/msr' % processor_id, 'rb')
+        name = '/dev/cpu/%d/msr' % processor_id
+        @io = IO.new IO.sysopen(name, 'rb')
       rescue Errno::ENOENT
         raise InvalidProcessorIdError, "'#{processor_id}' is not a valid processor_id on this machine"
+      rescue StandardError => e
+        raise NoSampleDataError, "could not read temperature from #{name}: #{e}"
       end
     end
 
     # Returns the byte at +offset+ as an integer number.
     def [](offset)