auto import from //depot/cupcake/@135843
diff --git a/include/cutils/logger.h b/include/cutils/logger.h
new file mode 100644
index 0000000..3a08019
--- /dev/null
+++ b/include/cutils/logger.h
@@ -0,0 +1,46 @@
+/* utils/logger.h
+**
+** Copyright 2007, The Android Open Source Project
+**
+** This file is dual licensed. It may be redistributed and/or modified
+** under the terms of the Apache 2.0 License OR version 2 of the GNU
+** General Public License.
+*/
+
+#ifndef _UTILS_LOGGER_H
+#define _UTILS_LOGGER_H
+
+#include <stdint.h>
+
+struct logger_entry {
+ uint16_t len; /* length of the payload */
+ uint16_t __pad; /* no matter what, we get 2 bytes of padding */
+ int32_t pid; /* generating process's pid */
+ int32_t tid; /* generating process's tid */
+ int32_t sec; /* seconds since Epoch */
+ int32_t nsec; /* nanoseconds */
+ char msg[0]; /* the entry's payload */
+};
+
+#define LOGGER_LOG_MAIN "log/main"
+#define LOGGER_LOG_RADIO "log/radio"
+#define LOGGER_LOG_EVENTS "log/events"
+
+#define LOGGER_ENTRY_MAX_LEN (4*1024)
+#define LOGGER_ENTRY_MAX_PAYLOAD \
+ (LOGGER_ENTRY_MAX_LEN - sizeof(struct logger_entry))
+
+#ifdef HAVE_IOCTL
+
+#include <sys/ioctl.h>
+
+#define __LOGGERIO 0xAE
+
+#define LOGGER_GET_LOG_BUF_SIZE _IO(__LOGGERIO, 1) /* size of log */
+#define LOGGER_GET_LOG_LEN _IO(__LOGGERIO, 2) /* used log len */
+#define LOGGER_GET_NEXT_ENTRY_LEN _IO(__LOGGERIO, 3) /* next entry len */
+#define LOGGER_FLUSH_LOG _IO(__LOGGERIO, 4) /* flush log */
+
+#endif // HAVE_IOCTL
+
+#endif /* _UTILS_LOGGER_H */