+See https://groups.google.com/a/chromium.org/forum/#!topic/chromium-reviews/AXhZapYuHi8
+
+diff -u -r ../php-5.6.16/ext/standard/php_fopen_wrapper.c ./ext/standard/php_fopen_wrapper.c
+--- ../php-5.6.16/ext/standard/php_fopen_wrapper.c 2015-11-25 15:28:38.000000000 -0500
++++ ./ext/standard/php_fopen_wrapper.c 2016-01-04 06:42:57.421589363 -0500
+@@ -312,7 +312,7 @@
+ }
+
+ #if HAVE_UNISTD_H
+- dtablesize = getdtablesize();
++ dtablesize = sysconf(_SC_OPEN_MAX);
+ #else
+ dtablesize = INT_MAX;
+ #endif