diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/socket/test_unix.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/socket/test_unix.rb b/test/socket/test_unix.rb index bde17cf0ab..d5bb30befb 100644 --- a/test/socket/test_unix.rb +++ b/test/socket/test_unix.rb @@ -6,6 +6,8 @@ end require "test/unit" require "tempfile" require "tmpdir" +require "thread" +require "io/nonblock" class TestSocket_UNIXSocket < Test::Unit::TestCase def test_fd_passing @@ -102,6 +104,41 @@ class TestSocket_UNIXSocket < Test::Unit::TestCase io_ary.each {|io| io.close if !io.closed? } end + def test_fd_passing_race_condition + r1, w = IO.pipe + s1, s2 = UNIXSocket.pair + s1.nonblock = s2.nonblock = true + aoe = Thread.abort_on_exception + Thread.abort_on_exception = true + lock = Mutex.new + nr = 0 + x = 2 + y = 1000 + begin + s1.send_io(nil) + rescue NotImplementedError + assert_raise(NotImplementedError) { s2.recv_io } + rescue TypeError + thrs = x.times.map do + Thread.new do + y.times do + s2.recv_io.close + lock.synchronize { nr += 1 } + end + end + end + (x * y).times { s1.send_io r1 } + thrs.each { |t| t.join } + assert_equal x * y, nr + ensure + Thread.abort_on_exception = aoe + s1.close + s2.close + w.close + r1.close + end + end + def test_sendmsg return if !defined?(Socket::SCM_RIGHTS) IO.pipe {|r1, w| |