Catch ECHILD errors; JRuby throws them indiscriminantly

thoughtbot · Aug 9, 2013 · cf95ca0 · cf95ca0
1 parent f26304a
commit cf95ca0
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/lib/cocaine/command_line/runners/process_runner.rb b/lib/cocaine/command_line/runners/process_runner.rb
@@ -21,7 +21,11 @@ def spawn(*args)
         end
 
         def waitpid(pid)
-          Process.waitpid(pid)
+          begin
+            Process.waitpid(pid)
+          rescue Errno::ECHILD => e
+            # In JRuby, waiting on a finished pid raises.
+          end
         end
 
       end