-extern int _wapi_handle_wait_signal (gboolean poll);
-extern int _wapi_handle_timedwait_signal (struct timespec *timeout, gboolean poll);
-extern int _wapi_handle_wait_signal_handle (gpointer handle, gboolean alertable);
-extern int _wapi_handle_timedwait_signal_handle (gpointer handle,
- struct timespec *timeout, gboolean alertable, gboolean poll);
+extern int _wapi_handle_timedwait_signal (struct timespec *timeout, gboolean poll, gboolean *alerted);
+extern int _wapi_handle_timedwait_signal_handle (gpointer handle, struct timespec *timeout, gboolean alertable, gboolean poll, gboolean *alerted);