Wait for child with specific PID to avoid waiting on other zombie processes (e.g. NewRelic RPM) which may have forked earlier.

Author: Jacobkg

lib/resque/worker.rb

@@ -135,7 +135,7 @@ def work(interval = 5.0, &block)
           if @child = fork
             srand # Reseeding
             procline "Forked #{@child} at #{Time.now.to_i}"
-            Process.wait
+            Process.wait(@child)
           else
             procline "Processing #{job.queue} since #{Time.now.to_i}"
             perform(job, &block)