+void sig_send(struct Process *proc, sigmask_t sig);
+void sig_post(struct Process *proc, sigmask_t sig);
+/*
+ * XXX: this is provided for backword compatibility, consider to make this
+ * deprecated for the future.
+ */
+INLINE void sig_signal(struct Process *proc, sigmask_t sig)
+{
+ sig_post(proc, sig);
+}