* lib/resolv.rb (Resolv::DNS): retry IO.select for premature wakeup.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 2 deletions

diff --git a/test/resolv/test_dns.rb b/test/resolv/test_dns.rb
index 9ae0df404f..3827361e47 100644
--- a/test/resolv/test_dns.rb
+++ b/test/resolv/test_dns.rb
@@ -114,7 +114,8 @@ class TestResolvDNS < Test::Unit::TestCase
         start = Time.now
         dns.getresources("foo.example.org", Resolv::DNS::Resource::IN::A)
       }
-      diff = Time.now - start
+      t2 = Time.now
+      diff = t2 - start
       assert rv.empty?, "unexpected: #{rv.inspect} (expected empty)"
       assert_operator 0.1, :<=, diff
 
@@ -123,7 +124,8 @@ class TestResolvDNS < Test::Unit::TestCase
         start = Time.now
         dns.getresources("foo.example.org", Resolv::DNS::Resource::IN::A)
       }
-      diff = Time.now - start
+      t2 = Time.now
+      diff = t2 - start
       assert rv.empty?, "unexpected: #{rv.inspect} (expected empty)"
       assert_operator 0.3, :<=, diff
     }