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use fork to isolate rlimit effect.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10355 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2006-06-21 07:08:34 +00:00
parent 7b5d9d7086
commit ad5f0fc6cc
1 changed files with 12 additions and 7 deletions
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19
test/ruby/test_process.rb
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@ -21,12 +21,17 @@ class TestProcess < Test::Unit::TestCase
def test_rlimit_nofile
return unless rlimit_exist?
cur_nofile, max_nofile = Process.getrlimit(Process::RLIMIT_NOFILE)
Process.setrlimit(Process::RLIMIT_NOFILE, 0, max_nofile)
begin
assert_raise(Errno::EMFILE) { IO.pipe }
ensure
Process.setrlimit(Process::RLIMIT_NOFILE, cur_nofile, max_nofile)
end
pid = fork {
cur_nofile, max_nofile = Process.getrlimit(Process::RLIMIT_NOFILE)
Process.setrlimit(Process::RLIMIT_NOFILE, 0, max_nofile)
begin
IO.pipe
rescue Errno::EMFILE
exit 0
end
exit 1
}
Process.wait pid
assert_equal(0, $?.to_i)
end
end