test_poll: be less dependent on signal handler ordering

Just spam the thread several times to force the wakeup to happen
and not be as dependent on signal handler execution ordering of
different Ruby VMs.

Tested-by: Hleb Valoshka <375gnu@gmail.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/test/test_poll.rb b/test/test_poll.rb
index 5bfc70b..d9a2b07 100644
--- a/test/test_poll.rb
+++ b/test/test_poll.rb
@@ -96,7 +96,10 @@ class TestPoll < Test::Unit::TestCase
     end
     thr = Thread.new do
       sleep 0.100
-      Process.kill(:USR1, $$)
+      100.times do
+        Process.kill(:USR1, $$)
+        Thread.pass
+      end
     end
     t0 = Time.now
     res = Kgio.poll(pollset, 1000)