mtr: force-flush stderr and stdout

prevents buffering in cases like ./mtr | tee log

mtr: force-flush stderr and stdout
prevents buffering in cases like ./mtr | tee log
e49c1d1c · Sergei Golubchik · a04e4f53 · e49c1d1c
Commit e49c1d1c authored Feb 24, 2018 by Sergei Golubchik
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mysql-test/lib/My/Tee.pm mysql-test/lib/My/Tee.pm +2 -0

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--- a/mysql-test/lib/My/Tee.pm
+++ b/mysql-test/lib/My/Tee.pm
 package My::Tee;
+use IO::Handle;

 # see PerlIO::via

@@ -16,6 +17,7 @@ sub WRITE
 {
 my ($obj, $buf, $fh) = @_;
 print $fh $buf;
+ $fh->flush;
 print $copyfh $buf;
 return length($buf);
 }