lib/datacenter/process.rb in datacenter-0.1.1 vs lib/datacenter/process.rb in datacenter-0.1.2

@@ -28,21 +28,13 @@
         info[attribute]
       end
     end
 
     def alive?
-      send_signal 0
-      true
-    rescue Errno::ESRCH
-      false
+      shell.run("ls /proc | grep #{pid}") == pid.to_s
     end
 
-    def send_signal(signal)
-      out = shell.run("kill -s #{signal} #{pid}")
-      raise Errno::ESRCH, pid.to_s if out.match 'No such process'
-    end
-
     def stop
       send_signal :QUIT if alive?
     end
 
     def kill
@@ -52,9 +44,13 @@
 
     private
 
     attr_reader :shell
 
+    def send_signal(signal)
+      shell.run "kill -s #{signal} #{pid}"
+    end
+    
     def info
       @cache.fetch(:info) do
         ps = shell.run('ps aux').scan(/.*#{pid}.*/)[0].split
         Hash.new.tap do |info|
           status = Hash[proc_file(:status).split("\n").map{ |s| s.split(':').map(&:strip) }]