From b58ee586e7f74c81df3f2d9c8dba6ac86a3701bf Mon Sep 17 00:00:00 2001
From: "zihao.jiang" <zihao.jiang@yahoo.com>
Date: Sat, 29 Oct 2016 00:28:10 +0800
Subject: [PATCH] keeping the old callback and adding the new one at the end of
 the struct, so that it can be potentially binary compatible.

---
 include/freerdp/peer.h | 4 +++-
 libfreerdp/core/peer.c | 9 +++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/freerdp/peer.h b/include/freerdp/peer.h
index 7bc7f19..fff7b8e 100644
--- a/include/freerdp/peer.h
+++ b/include/freerdp/peer.h
@@ -34,6 +34,7 @@ typedef void (*psPeerContextFree)(freerdp_peer* peer, rdpContext* context);
 
 typedef BOOL (*psPeerInitialize)(freerdp_peer* peer);
 typedef BOOL (*psPeerGetFileDescriptor)(freerdp_peer* peer, void** rfds, int* rcount);
+typedef HANDLE(*psPeerGetEventHandle)(freerdp_peer* peer);
 typedef DWORD (*psPeerGetEventHandles)(freerdp_peer* peer, HANDLE* events, DWORD count);
 typedef HANDLE(*psPeerGetReceiveEventHandle)(freerdp_peer* peer);
 typedef BOOL (*psPeerCheckFileDescriptor)(freerdp_peer* peer);
@@ -79,7 +80,7 @@ struct rdp_freerdp_peer
 
 	psPeerInitialize Initialize;
 	psPeerGetFileDescriptor GetFileDescriptor;
-	psPeerGetEventHandles GetEventHandles;
+	psPeerGetEventHandle GetEventHandle;
 	psPeerGetReceiveEventHandle GetReceiveEventHandle;
 	psPeerCheckFileDescriptor CheckFileDescriptor;
 	psPeerClose Close;
@@ -111,6 +112,7 @@ struct rdp_freerdp_peer
 	psPeerIsWriteBlocked IsWriteBlocked;
 	psPeerDrainOutputBuffer DrainOutputBuffer;
 	psPeerHasMoreToRead HasMoreToRead;
+	psPeerGetEventHandles GetEventHandles;
 };
 
 #ifdef __cplusplus
diff --git a/libfreerdp/core/peer.c b/libfreerdp/core/peer.c
index 82fc964..b845c65 100644
--- a/libfreerdp/core/peer.c
+++ b/libfreerdp/core/peer.c
@@ -248,6 +248,14 @@ static BOOL freerdp_peer_get_fds(freerdp_peer* client, void** rfds, int* rcount)
 	return TRUE;
 }
 
+static HANDLE freerdp_peer_get_event_handle(freerdp_peer* client)
+{
+	HANDLE hEvent = NULL;
+	rdpTransport* transport = client->context->rdp->transport;
+	BIO_get_event(transport->frontBio, &hEvent);
+	return hEvent;
+}
+
 static DWORD freerdp_peer_get_event_handles(freerdp_peer* client, HANDLE* events, DWORD count)
 {
 	DWORD nCount = 0;
@@ -807,6 +815,7 @@ freerdp_peer* freerdp_peer_new(int sockfd)
 		client->ContextSize = sizeof(rdpContext);
 		client->Initialize = freerdp_peer_initialize;
 		client->GetFileDescriptor = freerdp_peer_get_fds;
+		client->GetEventHandle = freerdp_peer_get_event_handle;
 		client->GetEventHandles = freerdp_peer_get_event_handles;
 		client->CheckFileDescriptor = freerdp_peer_check_fds;
 		client->Close = freerdp_peer_close;
-- 
2.7.4