fix file descriptor leak of epollfd
Fix #66908: php-fpm reload leaks epoll_create() file descriptor

This patch fixes descriptor leak which could lead to DoS once Max open files is reached
Fix #66908: php-fpm reload leaks epoll_create() file descriptor

This patch fixes descriptor leak which could lead to DoS once Max open files is reached
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fix #66908: php-fpm reload leaks epoll_create() file descriptor
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fix #66908: php-fpm reload leaks epoll_create() file descriptor
Merge branch 'PHP-5.6'

* PHP-5.6:
  Fix #66908: php-fpm reload leaks epoll_create() file descriptor
Merge branch 'pull-request/627'

* pull-request/627:
  Fix #66908: php-fpm reload leaks epoll_create() file descriptor
  fix file descriptor leak of epollfd