10000 Backport IPC::Run optimization to src/test/perl. · postgres/postgres@06558f4 · GitHub
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nmischnmisch
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Backport IPC::Run optimization to src/test/perl.
This one-liner makes the TAP portion of "make check-world" 7% faster on a non-Windows machine. Discussion: https://postgr.es/m/20240331050310.09@rfd.leadboat.com
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‎src/test/perl/PostgreSQL/Test/Utils.pm

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@@ -189,6 +189,11 @@ Set to true when running under MSYS2.
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INIT
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{
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# See https://github.com/cpan-authors/IPC-Run/commit/fc9288c for how this
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# reduces idle time. Remove this when IPC::Run 20231003.0 is too old to
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# matter (when all versions that matter provide the optimization).
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$SIG{CHLD} = sub { }
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unless defined $SIG{CHLD};
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# Return EPIPE instead of killing the process with SIGPIPE. An affected
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# test may still fail, but it's more likely to report useful facts.

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