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diff --git a/ext/Thread/io.t b/ext/Thread/io.t
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+++ b/ext/Thread/io.t
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+use Thread;
+
+sub reader {
+ my $line;
+ while ($line = <STDIN>) {
+ print "reader: $line";
+ }
+ print "End of input in reader\n";
+ return 0;
+}
+
+print <<'EOT';
+This test starts up a thread to read and echo whatever is typed on
+the keyboard/stdin, line by line, while the main thread counts down
+to zero. The test stays running until both the main thread has
+finished counting down and the I/O thread has seen end-of-file on
+the terminal/stdin.
+EOT
+
+$r = new Thread \&reader;
+$count = 10;
+while ($count--) {
+ sleep 1;
+ print "ping $count\n";
+}