/* construct the set of socket to ear from */
FD_ZERO(&FDS);
+ max_fds = 0;
xbt_dynar_foreach(sockets,cursor,sock_iter) {
if (sock_iter->incoming) {
+ DEBUG1("Considering socket %d for select",sock_iter->sd);
#ifndef HAVE_WINSOCK_H
if (max_fds < sock_iter->sd)
max_fds = sock_iter->sd;
}
}
+ if (max_fds == 0) {
+ if (timeout > 0) {
+ DEBUG0("No socket to select onto. Sleep instead.");
+ gras_os_sleep(timeout,0);
+ return timeout_error;
+ } else {
+ DEBUG0("No socket to select onto. Return directly.");
+ return timeout_error;
+ }
+ }
+
#ifndef HAVE_WINSOCK_H
/* we cannot have more than FD_SETSIZE sockets
... but with WINSOCK which returns sockets higher than the limit (killing this optim) */
/* no timeout: good luck! */
p_tout = NULL;
}
-
+
DEBUG1("Selecting over %d socket(s)", max_fds-1);
ready = select(max_fds, &FDS, NULL, NULL, p_tout);
if (ready == -1) {