in reply to Re^3: Scope of thread variable
in thread Scope of thread variable

Can you tell me how to use eval on this code?

Or

How can I restart thread a thread if it died with same thread Id? 

# some code here....

for (0 ..3))
{
    my $thr = threads->create (
                sub {
                   worker();
                    }
                 )->detach();
}

# Master Thread
while (1)
{
    master();
}

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Re^5: Scope of thread variable
by BrowserUk (Patriarch) on Apr 08, 2010 at 16:07 UTC
    Can you tell me how to use eval on this code?

    To achieve what?

    How can I restart thread a thread if it died with same thread Id?

    You cannot. Thread ids are allocated by the system and are not re-used.

    If you need a number within your threads that you assign, just pass it in as a parameter: 

    for my number (0 ..3))
{
    my $thr = threads->create (
                sub {
                   my $numberPassedIn = shift;
                   worker();
                    }, $number                
                 )->detach();
}

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    Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
    "Science is about questioning the status quo. Questioning authority".
    In the absence of evidence, opinion is indistinguishable from prejudice.
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[d/l]
      How does the master thread know if worker threads are alive and well?
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