in reply to Eval thread and restart it.

The concept works fine: 

perl -Mthreads 
-e"threads->create(sub{{eval{sleep rand 10;die time};$@ and print "$@"
+;redo}})->join"

1271707092 at -e line 1.
1271707094 at -e line 1.
1271707100 at -e line 1.
1271707108 at -e line 1.
Terminating on signal SIGINT(2)

[download]

So you're going to have to show us what you are doing that is causing the permission denied death if we are to help you.

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.
RIP an inspiration; A true Folk's Guy

In Section Seekers of Perl Wisdom