Merge "Revert "Continue using the legacy NDK android/log.h."" am: 33aa9fc0 am: cb29e6e9

../liblog/include/android

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../../liblog/include/android/log.h

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    compile_multilib: "both",

}

// system/core/android/log.h needs some work before it can be included in the

// NDK. It defines a *lot* of macros that previously were usable names in NDK

// sources that used android/log.h. As an example, the following file defines

// LOG_TAG as a variable, but the variable name gets macro replaced if we use

// the current android/log.h.

// https://android.googlesource.com/platform/external/deqp/+/4adc1515f867b26c19c2f7498e9de93a230a234d/framework/platform/android/tcuTestLogParserJNI.cpp#41

//

// For now, we keep a copy of the old NDK android/log.h in legacy-ndk-includes.

ndk_headers {

    name: "liblog_headers",

    from: "legacy-ndk-includes",

    from: "include/android",

    to: "android",

    srcs: ["legacy-ndk-includes/log.h"],

    srcs: ["include/android/log.h"],

    license: "NOTICE",

}

/*

 * Copyright (C) 2009 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.

 */

#ifndef _ANDROID_LOG_H

#define _ANDROID_LOG_H

/******************************************************************

 *

 * IMPORTANT NOTICE:

 *

 *   This file is part of Android's set of stable system headers

 *   exposed by the Android NDK (Native Development Kit) since

 *   platform release 1.5

 *

 *   Third-party source AND binary code relies on the definitions

 *   here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES.

 *

 *   - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES)

 *   - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS

 *   - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY

 *   - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES

 */

/*

 * Support routines to send messages to the Android in-kernel log buffer,

 * which can later be accessed through the 'logcat' utility.

 *

 * Each log message must have

 *   - a priority

 *   - a log tag

 *   - some text

 *

 * The tag normally corresponds to the component that emits the log message,

 * and should be reasonably small.

 *

 * Log message text may be truncated to less than an implementation-specific

 * limit (e.g. 1023 characters max).

 *

 * Note that a newline character ("\n") will be appended automatically to your

 * log message, if not already there. It is not possible to send several messages

 * and have them appear on a single line in logcat.

 *

 * PLEASE USE LOGS WITH MODERATION:

 *

 *  - Sending log messages eats CPU and slow down your application and the

 *    system.

 *

 *  - The circular log buffer is pretty small (<64KB), sending many messages

 *    might push off other important log messages from the rest of the system.

 *

 *  - In release builds, only send log messages to account for exceptional

 *    conditions.

 *

 * NOTE: These functions MUST be implemented by /system/lib/liblog.so

 */

#include <stdarg.h>

#ifdef __cplusplus

extern "C" {

#endif

/*

 * Android log priority values, in ascending priority order.

 */

typedef enum android_LogPriority {

    ANDROID_LOG_UNKNOWN = 0,

    ANDROID_LOG_DEFAULT,    /* only for SetMinPriority() */

    ANDROID_LOG_VERBOSE,

    ANDROID_LOG_DEBUG,

    ANDROID_LOG_INFO,

    ANDROID_LOG_WARN,

    ANDROID_LOG_ERROR,

    ANDROID_LOG_FATAL,

    ANDROID_LOG_SILENT,     /* only for SetMinPriority(); must be last */

} android_LogPriority;

/*

 * Send a simple string to the log.

 */

int __android_log_write(int prio, const char *tag, const char *text);

/*

 * Send a formatted string to the log, used like printf(fmt,...)

 */

int __android_log_print(int prio, const char *tag,  const char *fmt, ...)

#if defined(__GNUC__)

    __attribute__((__format__(printf, 3, 4)))

#endif

    ;

/*

 * A variant of __android_log_print() that takes a va_list to list

 * additional parameters.

 */

int __android_log_vprint(int prio, const char *tag,

                         const char *fmt, va_list ap);

/*

 * Log an assertion failure and SIGTRAP the process to have a chance

 * to inspect it, if a debugger is attached. This uses the FATAL priority.

 */

void __android_log_assert(const char *cond, const char *tag,

			  const char *fmt, ...)    

#if defined(__GNUC__)

    __attribute__((__noreturn__))

    __attribute__((__format__(printf, 3, 4)))

#endif

    ;

#ifdef __cplusplus

}

#endif

#endif /* _ANDROID_LOG_H */