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