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test_jit.rb: prevent mixing outputs by race condition

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to avoid random failures like
https://rubyci.org/logs/rubyci.s3.amazonaws.com/unstable11s/ruby-trunk/log/20181229T032506Z.fail.html.gz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66629 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
k0kubun 2018-12-29 06:48:34 +00:00
parent 63aaee923b
commit 7a859b6ae3
1 changed files with 1 additions and 0 deletions
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test/ruby/test_jit.rb
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@ -870,6 +870,7 @@ class TestJIT < Test::Unit::TestCase
before_fork; before_fork # the child should not delete this .o file
pid = Process.fork do # this child should not delete shared .pch file
sleep 0.5 # to prevent mixing outputs on Solaris
after_fork; after_fork # this child does not share JIT-ed after_fork with parent
end
after_fork; after_fork # this parent does not share JIT-ed after_fork with child