lib/gdbdump/procfs.rb in gdbdump-0.1.0 vs lib/gdbdump/procfs.rb in gdbdump-0.9.0

@@ -6,12 +6,12 @@
       @pid = pid
     end
 
     def exe
       begin
-        File.readlink("/proc/#{@pid}/exe")
+        @exe ||= File.readlink("/proc/#{@pid}/exe")
       rescue Errno::ENOENT
-        raise "/proc/#{@pid}/exe does not exist, it seems pid #{@pid} does not exit"
+        raise "/proc/#{@pid}/exe does not exist, it seems no process of pid #{@pid} exists"
       end
     end
   end
 end