| /* |
| * Copyright (C) 2005-2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| /* Too many in the ecosystem assume these are included */ |
| #if !defined(_WIN32) |
| #include <pthread.h> |
| #endif |
| #include <stdint.h> /* uint16_t, int32_t */ |
| #include <stdio.h> |
| #include <time.h> |
| #include <unistd.h> |
| |
| #include <android/log.h> |
| #include <log/log_id.h> |
| #include <log/log_main.h> |
| #include <log/log_radio.h> |
| #include <log/log_safetynet.h> |
| #include <log/log_system.h> |
| #include <log/log_time.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * LOG_TAG is the local tag used for the following simplified |
| * logging macros. You can change this preprocessor definition |
| * before using the other macros to change the tag. |
| */ |
| |
| #ifndef LOG_TAG |
| #define LOG_TAG NULL |
| #endif |
| |
| /* |
| * Normally we strip the effects of ALOGV (VERBOSE messages), |
| * LOG_FATAL and LOG_FATAL_IF (FATAL assert messages) from the |
| * release builds be defining NDEBUG. You can modify this (for |
| * example with "#define LOG_NDEBUG 0" at the top of your source |
| * file) to change that behavior. |
| */ |
| |
| #ifndef LOG_NDEBUG |
| #ifdef NDEBUG |
| #define LOG_NDEBUG 1 |
| #else |
| #define LOG_NDEBUG 0 |
| #endif |
| #endif |
| |
| /* |
| * The maximum size of the log entry payload that can be |
| * written to the logger. An attempt to write more than |
| * this amount will result in a truncated log entry. |
| */ |
| #define LOGGER_ENTRY_MAX_PAYLOAD 4068 |
| |
| /* |
| * Event logging. |
| */ |
| |
| /* |
| * The following should not be used directly. |
| */ |
| |
| int __android_log_bwrite(int32_t tag, const void* payload, size_t len); |
| int __android_log_btwrite(int32_t tag, char type, const void* payload, |
| size_t len); |
| int __android_log_bswrite(int32_t tag, const char* payload); |
| |
| int __android_log_stats_bwrite(int32_t tag, const void* payload, size_t len); |
| |
| #define android_bWriteLog(tag, payload, len) \ |
| __android_log_bwrite(tag, payload, len) |
| #define android_btWriteLog(tag, type, payload, len) \ |
| __android_log_btwrite(tag, type, payload, len) |
| |
| /* |
| * Event log entry types. |
| */ |
| typedef enum { |
| /* Special markers for android_log_list_element type */ |
| EVENT_TYPE_LIST_STOP = '\n', /* declare end of list */ |
| EVENT_TYPE_UNKNOWN = '?', /* protocol error */ |
| |
| /* must match with declaration in java/android/android/util/EventLog.java */ |
| EVENT_TYPE_INT = 0, /* int32_t */ |
| EVENT_TYPE_LONG = 1, /* int64_t */ |
| EVENT_TYPE_STRING = 2, |
| EVENT_TYPE_LIST = 3, |
| EVENT_TYPE_FLOAT = 4, |
| } AndroidEventLogType; |
| |
| #ifndef LOG_EVENT_INT |
| #define LOG_EVENT_INT(_tag, _value) \ |
| { \ |
| int intBuf = _value; \ |
| (void)android_btWriteLog(_tag, EVENT_TYPE_INT, &intBuf, sizeof(intBuf)); \ |
| } |
| #endif |
| #ifndef LOG_EVENT_LONG |
| #define LOG_EVENT_LONG(_tag, _value) \ |
| { \ |
| long long longBuf = _value; \ |
| (void)android_btWriteLog(_tag, EVENT_TYPE_LONG, &longBuf, sizeof(longBuf)); \ |
| } |
| #endif |
| #ifndef LOG_EVENT_FLOAT |
| #define LOG_EVENT_FLOAT(_tag, _value) \ |
| { \ |
| float floatBuf = _value; \ |
| (void)android_btWriteLog(_tag, EVENT_TYPE_FLOAT, &floatBuf, \ |
| sizeof(floatBuf)); \ |
| } |
| #endif |
| #ifndef LOG_EVENT_STRING |
| #define LOG_EVENT_STRING(_tag, _value) \ |
| (void)__android_log_bswrite(_tag, _value); |
| #endif |
| |
| /* --------------------------------------------------------------------- */ |
| |
| /* |
| * Release any logger resources (a new log write will immediately re-acquire) |
| * |
| * This is specifically meant to be used by Zygote to close open file descriptors after fork() |
| * and before specialization. O_CLOEXEC is used on file descriptors, so they will be closed upon |
| * exec() in normal use cases. |
| * |
| * Note that this is not safe to call from a multi-threaded program. |
| */ |
| void __android_log_close(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |