libvncclient: add a non-forking listen function.

Forking the whole process from deep within a library call does
not really work at all with apps that use multiple threads, i.e. every
reasonably modern GUI app. So, provide a non-forking listen function so
that the caller can decide if to fork, start a thread, etc.

This implementation adds a timeout parameter to be able to call the
listen function multiple times so that it's possible to do sth. else
in between, e.g. abort listening.

Signed-off-by: Christian Beier <dontmind@freeshell.org>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/libvncclient/vncviewer.c b/libvncclient/vncviewer.c
index 7e678fb..f29bd5f 100644
--- a/libvncclient/vncviewer.c
+++ b/libvncclient/vncviewer.c
@@ -43,6 +43,7 @@ static void DummyRect(rfbClient* client, int x, int y, int w, int h) {
 static char* NoPassword(rfbClient* client) {
   return strdup("");
 }
+#define close closesocket
 #else
 #include <stdio.h>
 #include <termios.h>
@@ -247,6 +248,9 @@ rfbBool rfbInitClient(rfbClient* client,int* argc,char** argv) {
       if (strcmp(argv[i], "-listen") == 0) {
 	listenForIncomingConnections(client);
 	break;
+      } else if (strcmp(argv[i], "-listennofork") == 0) {
+	listenForIncomingConnectionsNoFork(client, -1);
+	break;
       } else if (strcmp(argv[i], "-play") == 0) {
 	client->serverPort = -1;
 	j++;