exit if spice_server_init fails (socket already in use?)

Makefile

@@ -7,3 +7,7 @@ all: ${PROGRAMS}
 
 test_display_no_ssl: ${SOURCES} ${HEADERS}
 	gcc ${SOURCES} -o $@ $(shell pkg-config --cflags --libs spice-protocol,spice-server)
+
+.PHONY: test
+test: test_display_no_ssl
+	./test_display_no_ssl & remote-viewer spice://localhost:5912

test_display_base.c

@@ -861,7 +861,10 @@ Test *test_new(SpiceCoreInterface *core)
     printf("TESTER: listening on port %d (unsecure)\n", port);
     spice_server_set_port(server, port);
     spice_server_set_noauth(server);
-    spice_server_init(server, core);
+    int res = spice_server_init(server, core);
+    if (res != 0) {
+        g_error("spice_server_init failed, res = %d\n", res);
+    }
 
     cursor_init();
     path_init(&path, 0, angle_parts);

test_display_no_ssl.c

@@ -7,19 +7,17 @@
  */
 
 #include <stdlib.h>
+#include <stdio.h>
 #include "test_display_base.h"
 
 SpiceCoreInterface *core;
 SpiceTimer *ping_timer;
 
-void show_channels(SpiceServer *server);
-
-int ping_ms = 100;
+int ping_ms = 1000;
 
 void pinger(void *opaque)
 {
-    // show_channels is not thread safe - fails if disconnections / connections occur
-    //show_channels(server);
+    printf("TEST PINGER\n");
 
     core->timer_start(ping_timer, ping_ms);
 }