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 Robotics / RCX / legOS / 2210
2209  |  2211
Subject: 
Re: threads
Newsgroups: 
lugnet.robotics.rcx.legos
Date: 
Wed, 16 Jan 2002 08:03:48 GMT
Viewed: 
1940 times
  
Thanks Albert

If you kill a thread, make sure it's still a valid thread (i.e. • still
running).  undefined behavior will result from killing an invalid thread.

How do I
check this? There are no other tasks that can kill threads apart from this
one. I also checked
process IDs after creation and before killing.


Best regards, mike



Message has 1 Reply:
  Re: threads
 
two of your threads terminate shortly after being started (...) as far as I know, legOS provides no functionality for determining whether or not a thread is alive or not. You need to keep track of this yourself (e.g. using a variable/flag that gets (...) (23 years ago, 16-Jan-02, to lugnet.robotics.rcx.legos)

Message is in Reply To:
  Re: threads
 
some suggestions: 1) random_delay = random()/1000000; LegOS uses 16 bit integers, meaning the largest value an integer can have is something like 65535. The above statement is meaningless 2) (...) If you kill a thread, make sure it's still a valid (...) (23 years ago, 15-Jan-02, to lugnet.robotics.rcx.legos)

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