Add a sendq_cleared hook

Author: edk0

include/hook.h

@@ -36,6 +36,7 @@ extern int h_conf_read_end;
 extern int h_outbound_msgbuf;
 extern int h_rehash;
 extern int h_cap_change;
+extern int h_sendq_cleared;
 
 void init_hook(void);
 int register_hook(const char *name);

ircd/hook.c

@@ -65,6 +65,7 @@ int h_conf_read_end;
 int h_outbound_msgbuf;
 int h_rehash;
 int h_cap_change;
+int h_sendq_cleared;
 
 void
 init_hook(void)
@@ -90,6 +91,7 @@ init_hook(void)
 	h_outbound_msgbuf = register_hook("outbound_msgbuf");
 	h_rehash = register_hook("rehash");
 	h_cap_change = register_hook("cap_change");
+	h_sendq_cleared = register_hook("sendq_cleared");
 }
 
 /* grow_hooktable()

ircd/send.c

@@ -182,7 +182,12 @@ send_queued(struct Client *to)
 			       send_queued_write, to);
 	}
 	else
+	{
+		hook_data_client hdata;
+		hdata.client = to;
 		ClearFlush(to);
+		call_hook(h_sendq_cleared, &hdata);
+	}
 }
 
 void