+#include "common.h"
+#include "memcached_io.h"
+#include <sys/select.h>
+#include <poll.h>
+
+static int io_wait(memcached_st *ptr, unsigned int server_key, unsigned read_or_write)
+{
+ struct pollfd fds[1];
+ short flags= 0;
+
+ if (read_or_write)
+ flags= POLLOUT | POLLERR;
+ else
+ flags= POLLIN | POLLERR;
+
+ memset(&fds, 0, sizeof(struct pollfd));
+ fds[0].fd= ptr->hosts[server_key].fd;
+ fds[0].events= flags;
+
+ if (poll(fds, 1, -1) < 0)
+ return MEMCACHED_FAILURE;
+
+ return MEMCACHED_SUCCESS;
+}