test_epoll_gc: force GC on EMFILE/ENFILE

This helps avoid test errors on Rubinius where rb_gc() is a noop.
Otherwise, we might as well infinite loop on thread-creation to
trigger GC.

1 files changed, 2 insertions, 0 deletions

diff --git a/test/test_epoll_gc.rb b/test/test_epoll_gc.rb
index b0a1868..ed2df05 100644
--- a/test/test_epoll_gc.rb
+++ b/test/test_epoll_gc.rb
@@ -42,6 +42,8 @@ class TestEpollGC < Test::Unit::TestCase
         2048.times { IO.pipe; File.open(__FILE__)}
         done = true
       end
+    rescue Errno::EMFILE, Errno::ENFILE
+      Thread.new { GC.start }.join
     end while true
   end
 end if ENV["GC_STRESS"].to_i != 0