+/** @brief Handle all messages arriving within the given period
+ *
+ * @param timeOut: How long to wait for incoming messages (in seconds)
+ * @return the error code (or no_error).
+ *
+ * Messages are dealed with just like gras_msg_handle() would do. The
+ * difference is that gras_msg_handle() handles at most one message (or wait up
+ * to timeout second when no message arrives) while this function handles any
+ * amount of messages, and lasts the given period in any case.
+ */
+void
+gras_msg_handleall(double period) {
+ xbt_ex_t e;
+ double begin=gras_os_time();
+ double now;
+
+ do {
+ now=gras_os_time();
+ TRY{
+ gras_msg_handle(period - now + begin);
+ } CATCH(e) {
+ if (e.category != timeout_error)
+ RETHROW0("Error while waiting for messages: %s");
+ xbt_ex_free(e);
+ }
+ } while (now - begin < period);
+}