Handle Errno::EINTR during IO.select in workers

If we get woken up during an IO.select, just make a bet that we
spent some time doing something else and aggressively try to
accept new connections without trying to wait for I/O-readiness
notification.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/unicorn.rb b/lib/unicorn.rb
index 31af720..42ac8c0 100644
--- a/lib/unicorn.rb
+++ b/lib/unicorn.rb
@@ -473,6 +473,8 @@ module Unicorn
               # timeout used so we can detect parent death:
               ret = IO.select(@listeners, nil, nil, @timeout/2.0) or next
               ready = ret[0]
+            rescue Errno::EINTR
+              ready = @listeners
             rescue Errno::EBADF => e
               exit(alive ? 1 : 0)
             end