#include <fcntl.h>
#include <unistd.h>
#include <time.h>
-#if defined(OPENSSL_SYS_LINUX)
-# include <sys/poll.h>
+#if defined(OPENSSL_SYS_LINUX) /* should actually be available virtually everywhere */
+# include <poll.h>
#endif
#include <limits.h>
#ifndef FD_SETSIZE