| /* 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_LOG_SYSTEM "log/system" |
| |
| #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 */ |