+ while (flags == -1 && (errno == EINTR || errno == EAGAIN));
+
+ unlikely (flags == -1)
+ return MEMCACHED_CONNECTION_FAILURE;
+ else if ((flags & O_NONBLOCK) == 0)
+ {
+ int rval;
+
+ do
+ rval= fcntl(ptr->fd, F_SETFL, flags | O_NONBLOCK);
+ while (rval == -1 && (errno == EINTR || errno == EAGAIN));
+
+ unlikely (rval == -1)
+ return MEMCACHED_CONNECTION_FAILURE;