Added udsWaitConnectionStatusEvent(). Updated the udsConnectionStatus struct.

libctru/include/3ds/services/uds.h

@@ -29,7 +29,7 @@ typedef struct {
 
 /// Connection status struct.
 typedef struct {
-	u32 event_type;
+	u32 status;
 	u32 unk_x4[0x28>>2];
 	u8 id8;
 	u8 pad_x2d[3];
@@ -305,6 +305,14 @@ Result udsSetNewConnectionsBlocked(bool block, bool clients, bool spectators);
  */
 Result udsGetConnectionStatus(udsConnectionStatus *output);
 
+/**
+ * @brief Waits for the ConnectionStatus event to occur, or checks if the event was signalled. This event is signalled when the data from udsGetConnectionStatus() was updated internally.
+ * @return Always true. However if wait=false, this will return false if the event wasn't signalled.
+ * @param nextEvent Whether to discard the current event and wait for the next event.
+ * @param wait When true this will not return until the event is signalled. When false this checks if the event was signalled without waiting for it.
+ */
+bool udsWaitConnectionStatusEvent(bool nextEvent, bool wait);
+
 /**
  * @brief This loads a NodeInfo struct for the specified NetworkNodeID. The broadcast alias can't be used with this.
  * @param NetworkNodeID Target NetworkNodeID.

libctru/source/services/uds.c

@@ -389,6 +389,22 @@ Result udsGetConnectionStatus(udsConnectionStatus *output)
 	return ret;
 }
 
+bool udsWaitConnectionStatusEvent(bool nextEvent, bool wait)
+{
+	bool ret = true;
+	u64 delayvalue = U64_MAX;
+
+	if(!wait)delayvalue = 0;
+
+	if(nextEvent)svcClearEvent(__uds_connectionstatus_event);
+
+	if(svcWaitSynchronization(__uds_connectionstatus_event, delayvalue)!=0 && !wait)ret = false;
+
+	if(!nextEvent)svcClearEvent(__uds_connectionstatus_event);
+
+	return ret;
+}
+
 Result udsGetNodeInformation(u16 NetworkNodeID, udsNodeInfo *output)
 {
 	u32* cmdbuf=getThreadCommandBuffer();