peripheral: Add initial code for btsensor application

1 files changed, 56 insertions, 0 deletions

diff --git a/peripheral/log.c b/peripheral/log.c
new file mode 100644
index 000000000..7aaeb4d8c
--- /dev/null
+++ b/peripheral/log.c
@@ -0,0 +1,56 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2015  Intel Corporation. All rights reserved.
+ *
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "peripheral/log.h"
+
+static int kmsg_fd = -1;
+
+void log_open(void)
+{
+	if (kmsg_fd >= 0)
+		return;
+
+	kmsg_fd = open("/dev/kmsg", O_WRONLY | O_NOCTTY | O_CLOEXEC);
+	if (kmsg_fd < 0) {
+		fprintf(stderr, "Failed to open kernel logging: %m\n");
+		return;
+	}
+}
+
+void log_close(void)
+{
+	if (kmsg_fd < 0)
+		return;
+
+	close(kmsg_fd);
+	kmsg_fd = -1;
+}