Add VT test

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>

tests/test_vt.c

@@ -0,0 +1,104 @@
+/*
+ * test_console - Test VT Layer
+ *
+ * Copyright (c) 2011 David Herrmann <dh.herrmann@googlemail.com>
+ * Copyright (c) 2011 University of Tuebingen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Test VT Layer
+ * This opens a new VT and prints some text on it. You can then change the VT
+ * and change back. This is only to test the VT subsystem and event engine.
+ */
+
+#include <errno.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "eloop.h"
+#include "log.h"
+#include "vt.h"
+
+static bool terminate;
+
+static void sig_term(struct kmscon_signal *sig, int signum, void *data)
+{
+	terminate = true;
+}
+
+int main(int argc, char **argv)
+{
+	int ret;
+	struct kmscon_eloop *loop;
+	struct kmscon_vt *vt;
+	struct kmscon_signal *sig;
+
+	ret = kmscon_eloop_new(&loop);
+	if (ret) {
+		log_err("Cannot create eloop\n");
+		goto err_out;
+	}
+
+	ret = kmscon_eloop_new_signal(loop, &sig, SIGINT, sig_term, NULL);
+	if (ret) {
+		log_err("Cannot add signal\n");
+		goto err_loop;
+	}
+
+	ret = kmscon_vt_new(&vt, NULL, NULL);
+	if (ret) {
+		log_err("Cannot create vt\n");
+		goto err_sig;
+	}
+
+	ret = kmscon_vt_open(vt, KMSCON_VT_NEW);
+	if (ret) {
+		log_err("Cannot open VT\n");
+		goto err_vt;
+	}
+
+	ret = kmscon_vt_connect_eloop(vt, loop);
+	if (ret) {
+		log_err("Cannot connect VT\n");
+		goto err_vt;
+	}
+
+	while (!terminate) {
+		ret = kmscon_eloop_dispatch(loop, -1);
+		if (ret) {
+			log_err("Dispatcher failed\n");
+			break;
+		}
+	}
+
+err_vt:
+	kmscon_vt_unref(vt);
+err_sig:
+	kmscon_eloop_rm_signal(sig);
+err_loop:
+	kmscon_eloop_unref(loop);
+err_out:
+	return abs(ret);
+}