Bugfix: Avoid ps flag error on Linux

Author: defunkt

HISTORY.md

@@ -2,6 +2,7 @@
 
 * Bugfix: Fixed `rand` seeding in child processes.
 * Bugfix: Better JSON encoding/decoding without Yajl.
+* Bugfix: Avoid `ps` flag error on Linux
 
 ## 1.2.2 (2009-12-08)
 

lib/resque/worker.rb

@@ -246,7 +246,7 @@ def shutdown!
     def kill_child
       if @child
         log! "Killing child at #{@child}"
-        if system("ps -ho pid,state -p #{@child}")
+        if system("ps -o pid,state -p #{@child}")
           Process.kill("KILL", @child) rescue nil
         else
           log! "Child #{@child} not found, restarting."