Question: Thread#kill doesn't throw Exception

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throw
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ThreadKilledException $B$H$+(B ThreadCancelException
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(2012/06/26 4:25), KOSAKI Motohiro wrote:

[email protected]<ALd!’(B
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$B$GCY1d=PMh$J$/$F$b$$$$$b$N$G$7$g$&$+!%(B

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(2012/06/26 4:51), KOSAKI Motohiro wrote:

[email protected]$H0.$j$D$V$;$^$9$1$I!"$=$3$G(B kill

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2012/06/26 SASADA Koichi [email protected]:

(2012/06/26 4:51), KOSAKI Motohiro wrote:

[email protected]$H0.$j$D$V$;$^$9$1$I!"$=$3$G(B kill

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$B;W$&$N$G$9$,!"$7$+$7<B:]$K$O(B ensure $B$r;H$($P0.$j$D$V$;$^$9!#(B

th = Thread.new do
begin
begin
sleep 1
ensure
p $!
raise
end
rescue
retry
end
end
sleep 0.5
th.kill

$ ruby t.rb
nil
nil
nil
… ($B7+$jJV$9!"(B^C $B$G;_$a$i$l$J$$(B)

$B$+$H$$$C$F!"$3$N5sF0$rJQ$($k$Y$-$G$O$J$$$H;W$$$^$9!#(B
ensure $B$,<B9T$5$l$J$$$H%j%=!<%9$N%j!<%/$d%G!<%?$N7gB;$,H/@8(B
$B$7$+$M$J$$$H;W$&$N$G!#(B

2012/7/2 Yusuke E. [email protected]:

$B$=$NFC<l$J(B Object $B$N0U?^$O$*$=$i$/!V0.$j$D$V$5$l$?$/[email protected]$H(B
end
nil
… ($B7+$jJV$9!"(B^C $B$G;_$a$i$l$J$$(B)

$B$+$H$$$C$F!"$3$N5sF0$rJQ$($k$Y$-$G$O$J$$$H;W$$$^$9!#(B
ensure $B$,<B9T$5$l$J$$$H%j%=!<%9$N%j!<%/$d%G!<%?$N7gB;$,H/@8(B
$B$7$+$M$J$$$H;W$&$N$G!#(B

[email protected]$i$7$$F6;!$G$9$M!#$7$+$7$3$N5sF0$O<[email protected][A|$D$+$J$$$O$:$G!"(B
Thread.kill $B$N%1!<%9$G(B
retry$B$,F0$$$F$7$^$C$F$$$k$N$O%P%0$G$O$J$$$G$7$g$&$+(B

$B$3$l$r5v$9$0$i$$$J$i(BThreadKilledException $B$K;[email protected]$7$?$/$J$k(B