#7045 NORM Never A: TimesRepeat tile blocks the whole etoy environment

[Zarro Boogs per Child]

#7045: TimesRepeat tile blocks the whole etoy environment
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  Reporter:  karl            |       Owner:  etoys         
      Type:  enhancement     |      Status:  new           
  Priority:  normal          |   Milestone:  Never Assigned
 Component:  etoys-activity  |     Version:  Update.1      
Resolution:                  |    Keywords:                
  Verified:  0               |    Blocking:                
 Blockedby:                  |  
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Comment(by bert):

 One could terminate a script if it takes longer than x seconds to execute:

   sema := Semaphore new.[[BR]]
   script := [result := self doScript. watchdog terminate. sema signal]
 newProcess.[[BR]]
   watchdog := [(Delay forSeconds: 1) wait. script terminate. sema signal]
 forkAt: Processor activePriority+1.[[BR]]
   script resume.[[BR]]
   sema wait.[[BR]]
   !^result[[BR]]

 We could possibly ask the user if the script should be terminated or be
 allowed to continue for x more seconds.

 In the case of the repeat tile, it would be preferable to terminate the
 loop only when it finished a cycle (rather than by termianting it) - it
 could have a flag that is tested in each cycle which is set after n
 seconds from a watchdog like the above.

-- 
Ticket URL: <http://dev.laptop.org/ticket/7045#comment:3>
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