lib/drb/extservm.rb (service): do not return `false'
invoke_service_command may set entries in @servers to `false', making it incompatible with the intended use of the safe navigation operator. This caused occasional DRb test failures, but they were hidden with automatic retry. [ruby-core:87524] [Bug #14856] Fixes: r53111 ("use safe navigation operator") commit 059c9c1cf371e049c7481c78b76e9620da52757f [GH-1142] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63698 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -37,7 +37,7 @@ module DRb
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synchronize do
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while true
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server = @servers[name]
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return server if server&.alive?
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return server if server && server.alive? # server may be `false'
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invoke_service(name)
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@cond.wait
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end
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