android/android-emugl/host/libs/libGLES12Translator/common/alog.h - qemu-android - Git at Google

 /* ARC MOD TRACK "third_party/android/system/core/include/log/log.h" */
 /*
  * 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.
  */

 //
 // C/C++ logging functions.  See the logging documentation for API details.
 //
 // We'd like these to be available from C code (in case we import some from
 // somewhere), so this has a C interface.
 //
 // The output will be correct when the log file is shared between multiple
 // threads and/or multiple processes so long as the operating system
 // supports O_APPEND.  These calls have mutex-protected data structures
 // and so are NOT reentrant.  Do not use LOG in a signal handler.
 //
 /* ARC MOD BEGIN */
 /* Use the same defines as the Android headers to give theirs
  * precedence if both files are used.
  * For more info on Android logging, see:
  * http://elinux.org/Android_Logging_System
  */
 #ifndef _COMMON_ALOG_H
 #define _COMMON_ALOG_H

 #include <common/log.h>
 #include <stdarg.h>

 extern "C" {

 // TODO(khmel): Ideally include android/log.h here and use the ANDROID
 // values instead. But recent private/libc_logging.h also defines ANDROID
 // values. This causes compilation problems for some files which include both
 // alog.h and libc_logging.h.
 // These must match android/log.h values.
 typedef enum arc_LogPriority {
   ARC_LOG_UNKNOWN = 0,
   ARC_LOG_DEFAULT,    /* only for SetMinPriority() */
   ARC_LOG_VERBOSE,
   ARC_LOG_DEBUG,
   ARC_LOG_INFO,
   ARC_LOG_WARN,
   ARC_LOG_ERROR,
   ARC_LOG_FATAL,
   ARC_LOG_SILENT     /* only for SetMinPriority(); must be last */
 } arc_LogPriority;

 /*
  * 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.
  * It will now also submit the logging statement together with the crash log
  * (provided that the user has enabled crash reporting) as long as they signed
  * in using a tester email address.
  */
 void __android_log_assert_with_source(const char* cond, const char *tag,
                                       const char* file, int line,
                                       const char* fmt, ...)
 #if defined(__GNUC__)
   __attribute__ ((noreturn))
   __attribute__ ((format(printf, 5, 6)))
 #endif
     ;

 /*
  * Behaves the same as __android_log_assert_with_source. It also requires that
  * the user has enabled crash reporting, but does not perform the extra check to
  * see if they are using a tester email. Do not call this function unless you
  * can guarantee no privacy-sensitive data will be passed to it.
  */
 void __android_log_assert_with_source_and_add_to_crash_report(
     const char* cond, const char *tag,
     const char* file, int line,
     const char* fmt, ...)
 #if defined(__GNUC__)
   __attribute__ ((noreturn))
   __attribute__ ((format(printf, 5, 6)))
 #endif
     ;

 /*
  * Send a formatted string to the log, used like printf(fmt,...).
  * A version that uses va_list to list additional parameters.
  */
 int __android_log_vprint(int prio, const char* tag,
                          const char* fmt, va_list args);

 /*
  * A variant of __android_log_assert that takes a va_list to list
  * additional parameters.
  */
 void __android_log_vassert(const char* cond, const char* tag,
                            const char* fmt, va_list args);

 // These must match cutil/log.h values.
 typedef enum {
   ARC_LOG_ID_MAIN = 0,
   ARC_LOG_ID_RADIO = 1,
   ARC_LOG_ID_EVENTS = 2,
   ARC_LOG_ID_SYSTEM = 3,
   ARC_LOG_ID_CRASH = 4,

   ARC_LOG_ID_MAX
 } arc_log_id_t;

 }

 namespace arc {

 enum CrashLogMessageKind {
   ReportableOnlyForTesters = 0,
   ReportableForAllUsers
 };

 typedef void (*AddCrashExtraInformationFunction)
     (CrashLogMessageKind crash_log_message_kind,
      const char* field_name, const char* message);
 void RegisterCrashCallback(AddCrashExtraInformationFunction function);

 int PrintLogBuf(int bufID, int prio, const char* tag, const char* fmt, ...)
 #if defined(__GNUC__)
   __attribute__ ((format(printf, 4, 5)))
 #endif
     ;

 // Used to explicitly mark the return value of a function as unused. If you are
 // really sure you don't want to do anything with the return value of a function
 // that has been marked WARN_UNUSED_RESULT, wrap it with this. Example:
 //
 //   scoped_ptr<MyType> my_var = ...;
 //   if (TakeOwnership(my_var.get()) == SUCCESS)
 //     ignore_result(my_var.release());
 //
 // For ALOG's internal use only. Use the one in base/macros.h instead.
 namespace alog_internal {
 template <typename T>
 inline void ignore_result(const T&) {}
 }
 }  // namespace arc
 /* ARC MOD END */

 // ---------------------------------------------------------------------

 /*
  * Normally we strip ALOGV (VERBOSE messages) from release builds.
  * 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

 /*
  * This 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

 // ---------------------------------------------------------------------

 /*
  * Simplified macro to send a verbose log message using the current LOG_TAG.
  */
 #ifndef ALOGV
 #define __ALOGV(...) ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
 #if LOG_NDEBUG
 #define ALOGV(...) do { if (0) { __ALOGV(__VA_ARGS__); } } while (0)
 #else
 #define ALOGV(...) __ALOGV(__VA_ARGS__)
 #endif
 #endif

 #define CONDITION(cond)     (__builtin_expect((cond)!=0, 0))

 #ifndef ALOGV_IF
 #if LOG_NDEBUG
 #define ALOGV_IF(cond, ...)   ((void)0)
 #else
 #define ALOGV_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif
 #endif

 /*
  * Simplified macro to send a debug log message using the current LOG_TAG.
  */
 #ifndef ALOGD
 #define ALOGD(...) ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__))
 #endif

 #ifndef ALOGD_IF
 #define ALOGD_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif

 /*
  * Simplified macro to send an info log message using the current LOG_TAG.
  */
 #ifndef ALOGI
 #define ALOGI(...) ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__))
 #endif

 #ifndef ALOGI_IF
 #define ALOGI_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif

 /*
  * Simplified macro to send a warning log message using the current LOG_TAG.
  */
 #ifndef ALOGW
 #define ALOGW(...) ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__))
 #endif

 #ifndef ALOGW_IF
 #define ALOGW_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif

 /*
  * Simplified macro to send an error log message using the current LOG_TAG.
  */
 #ifndef ALOGE
 #define ALOGE(...) ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__))
 #endif

 #ifndef ALOGE_IF
 #define ALOGE_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif

 // ---------------------------------------------------------------------

 /*
  * Conditional based on whether the current LOG_TAG is enabled at
  * verbose priority.
  */
 #ifndef IF_ALOGV
 #if LOG_NDEBUG
 #define IF_ALOGV() if (false)
 #else
 #define IF_ALOGV() IF_ALOG(LOG_VERBOSE, LOG_TAG)
 #endif
 #endif

 /*
  * Conditional based on whether the current LOG_TAG is enabled at
  * debug priority.
  */
 #ifndef IF_ALOGD
 #define IF_ALOGD() IF_ALOG(LOG_DEBUG, LOG_TAG)
 #endif

 /*
  * Conditional based on whether the current LOG_TAG is enabled at
  * info priority.
  */
 #ifndef IF_ALOGI
 #define IF_ALOGI() IF_ALOG(LOG_INFO, LOG_TAG)
 #endif

 /*
  * Conditional based on whether the current LOG_TAG is enabled at
  * warn priority.
  */
 #ifndef IF_ALOGW
 #define IF_ALOGW() IF_ALOG(LOG_WARN, LOG_TAG)
 #endif

 /*
  * Conditional based on whether the current LOG_TAG is enabled at
  * error priority.
  */
 #ifndef IF_ALOGE
 #define IF_ALOGE() IF_ALOG(LOG_ERROR, LOG_TAG)
 #endif


 // ---------------------------------------------------------------------

 /* ARC MOD BEGIN FORK */
 /* Adding SLOG() macros in order to make SLOG*() functions only
  * evaluate their arguments when logging is going to happen.
  */
 /*
  * Simplified macro to send a verbose system log message using the current LOG_TAG.
  */
 #ifndef SLOGV
 #if LOG_NDEBUG
 #define SLOGV(...)   ((void)0)
 #else
 #define SLOGV(...) ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
 #endif
 #endif

 #define CONDITION(cond)     (__builtin_expect((cond)!=0, 0))

 #ifndef SLOGV_IF
 #if LOG_NDEBUG
 #define SLOGV_IF(cond, ...)   ((void)0)
 #else
 #define SLOGV_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif
 #endif

 /*
  * Simplified macro to send a debug system log message using the current LOG_TAG.
  */
 #ifndef SLOGD
 #define SLOGD(...) ((void)SLOG(ANDROID_LOG_ID_SYSTEM, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__))
 #endif

 #ifndef SLOGD_IF
 #define SLOGD_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif

 /*
  * Simplified macro to send an info system log message using the current LOG_TAG.
  */
 #ifndef SLOGI
 #define SLOGI(...) ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__))
 #endif

 #ifndef SLOGI_IF
 #define SLOGI_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif

 /*
  * Simplified macro to send a warning system log message using the current LOG_TAG.
  */
 #ifndef SLOGW
 #define SLOGW(...) ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__))
 #endif

 #ifndef SLOGW_IF
 #define SLOGW_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif

 /*
  * Simplified macro to send an error system log message using the current LOG_TAG.
  */
 #ifndef SLOGE
 #define SLOGE(...) ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
 #endif

 #ifndef SLOGE_IF
 #define SLOGE_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) \
     : (void)0 )
 #endif
 /* ARC MOD END FORK */

 // ---------------------------------------------------------------------

 /*
  * Log a fatal error.  If the given condition fails, this stops program
  * execution like a normal assertion, but also generating the given message.
  * It is NOT stripped from release builds.  Note that the condition test
  * is -inverted- from the normal assert() semantics.
  */
 #ifndef LOG_ALWAYS_FATAL_IF
 #define LOG_ALWAYS_FATAL_IF(cond, ...) \
     ( (CONDITION(cond)) \
 /* ARC MOD BEGIN FORK */ \
     ? ((void)android_printAssertArc(#cond, LOG_TAG, ## __VA_ARGS__)) \
 /* ARC MOD END FORK */ \
     : (void)0 )
 #endif

 #ifndef LOG_ALWAYS_FATAL
 #define LOG_ALWAYS_FATAL(...) \
 /* ARC MOD BEGIN FORK */ \
     ( ((void)android_printAssertArc(NULL, LOG_TAG, ## __VA_ARGS__)) )
 #endif

 // WARNING: The log message printed by these macros is also sent to the crash
 // server, provided the user has agreed to do so. Do not use these macros unless
 // you are absolutely sure that the message will not have any privacy-sensitive
 // data. Otherwise, use LOG_ALWAYS_FATAL, which checks if the user has signed in
 // using a tester account.
 #ifndef LOG_ALWAYS_FATAL_AND_ADD_TO_CRASH_REPORT
 #define LOG_ALWAYS_FATAL_AND_ADD_TO_CRASH_REPORT(...) \
     ( ((void)android_printAssertArcAddToCrashReport(NULL, LOG_TAG, \
                                                     ## __VA_ARGS__)) )
 #endif

 #ifndef LOG_ALWAYS_FATAL_AND_ADD_TO_CRASH_REPORT_IF
 #define LOG_ALWAYS_FATAL_AND_ADD_TO_CRASH_REPORT_IF(cond, ...) \
     ( (CONDITION(cond)) \
     ? ( ((void)android_printAssertArcAddToCrashReport(NULL, LOG_TAG, \
                                                      ## __VA_ARGS__)) ) \
     : (void)0 )
 #endif
 /* ARC MOD END FORK */
 /*
  * Versions of LOG_ALWAYS_FATAL_IF and LOG_ALWAYS_FATAL that
  * are stripped out of release builds.
  */
 #if LOG_NDEBUG

 #ifndef LOG_FATAL_IF
 /* ARC MOD BEGIN */
 // Call ignore_result to reduce the number of ALLOW_UNUSED macros. See
 // the comment for ignore_result above for detail.
 #define LOG_FATAL_IF(cond, ...) \
     (::arc::alog_internal::ignore_result(false && (cond)))
 /* ARC MOD END */
 #endif
 #ifndef LOG_FATAL
 #define LOG_FATAL(...) ((void)0)
 #endif

 #else

 #ifndef LOG_FATAL_IF
 #define LOG_FATAL_IF(cond, ...) LOG_ALWAYS_FATAL_IF(cond, ## __VA_ARGS__)
 #endif
 #ifndef LOG_FATAL
 #define LOG_FATAL(...) LOG_ALWAYS_FATAL(__VA_ARGS__)
 #endif

 #endif

 /*
  * Assertion that generates a log message when the assertion fails.
  * Stripped out of release builds.  Uses the current LOG_TAG.
  */
 #ifndef ALOG_ASSERT
 #define ALOG_ASSERT(cond, ...) LOG_FATAL_IF(!(cond), ## __VA_ARGS__)
 //#define ALOG_ASSERT(cond) LOG_FATAL_IF(!(cond), "Assertion failed: " #cond)
 #endif

 // ---------------------------------------------------------------------

 /*
  * Basic log message macro.
  *
  * Example:
  *  ALOG(LOG_WARN, NULL, "Failed with error %d", errno);
  *
  * The second argument may be NULL or "" to indicate the "global" tag.
  */
 /* ARC MOD BEGIN */
 #ifndef ALOG
 #define ALOG(priority, tag, ...) \
    arc::PrintLogBuf(ARC_LOG_ID_MAIN, ARC_##priority, \
                       tag, __VA_ARGS__)
 #endif

 #ifndef SLOG
 #define SLOG(buf_id, priority, tag, ...) \
    arc::PrintLogBuf(buf_id, priority, tag, __VA_ARGS__)
 #endif
 /* ARC MOD END */

 /*
  * ===========================================================================
  *
  * The stuff in the rest of this file should not be used directly.
  */

 #define android_printLog(prio, tag, fmt...) \
     __android_log_print(prio, tag, fmt)

 #define android_vprintLog(prio, cond, tag, fmt...) \
     __android_log_vprint(prio, tag, fmt)

 /* XXX Macros to work around syntax errors in places where format string
  * arg is not passed to ALOG_ASSERT, LOG_ALWAYS_FATAL or LOG_ALWAYS_FATAL_IF
  * (happens only in debug builds).
  */

 /* Returns 2nd arg.  Used to substitute default value if caller's vararg list
  * is empty.
  */
 #define __android_second(dummy, second, ...)     second

 /* If passed multiple args, returns ',' followed by all but 1st arg, otherwise
  * returns nothing.
  */
 #define __android_rest(first, ...)               , ## __VA_ARGS__

 /* ARC MOD BEGIN */
 #define android_printAssertArc(cond, tag, fmt...) \
     __android_log_assert_with_source(cond, tag, __FILE__, __LINE__, \
         __android_second(0, ## fmt, NULL) __android_rest(fmt))

 // Sends the last log message to the plugin just before aborting. It was decided
 // to not send this during the crash reporting callback since the process is not
 // guaranteed to be in a good state to allocate the memory needed to send the
 // message. Also, there is no upstream support to add arbitrary data to the
 // minidump.
 // By sending this separately only in the cases when we know is safe, we
 // maximize the probability of reporting the crash successfully.
 #define android_printAssertArcAddToCrashReport(cond, tag, fmt...) \
     __android_log_assert_with_source_and_add_to_crash_report(cond, tag, \
         __FILE__, __LINE__, \
         __android_second(0, ## fmt, NULL) __android_rest(fmt))

 #endif  // _COMMON_ALOG_H
 /* ARC MOD END */
	/* ARC MOD TRACK "third_party/android/system/core/include/log/log.h" */
	/*
	* 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.
	*/

	//
	// C/C++ logging functions. See the logging documentation for API details.
	//
	// We'd like these to be available from C code (in case we import some from
	// somewhere), so this has a C interface.
	//
	// The output will be correct when the log file is shared between multiple
	// threads and/or multiple processes so long as the operating system
	// supports O_APPEND. These calls have mutex-protected data structures
	// and so are NOT reentrant. Do not use LOG in a signal handler.
	//
	/* ARC MOD BEGIN */
	/* Use the same defines as the Android headers to give theirs
	* precedence if both files are used.
	* For more info on Android logging, see:
	* http://elinux.org/Android_Logging_System
	*/
	#ifndef _COMMON_ALOG_H
	#define _COMMON_ALOG_H

	#include <common/log.h>
	#include <stdarg.h>

	extern "C" {

	// TODO(khmel): Ideally include android/log.h here and use the ANDROID
	// values instead. But recent private/libc_logging.h also defines ANDROID
	// values. This causes compilation problems for some files which include both
	// alog.h and libc_logging.h.
	// These must match android/log.h values.
	typedef enum arc_LogPriority {
	ARC_LOG_UNKNOWN = 0,
	ARC_LOG_DEFAULT, /* only for SetMinPriority() */
	ARC_LOG_VERBOSE,
	ARC_LOG_DEBUG,
	ARC_LOG_INFO,
	ARC_LOG_WARN,
	ARC_LOG_ERROR,
	ARC_LOG_FATAL,
	ARC_LOG_SILENT /* only for SetMinPriority(); must be last */
	} arc_LogPriority;

	/*
	* 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.
	* It will now also submit the logging statement together with the crash log
	* (provided that the user has enabled crash reporting) as long as they signed
	* in using a tester email address.
	*/
	void __android_log_assert_with_source(const char* cond, const char *tag,
	const char* file, int line,
	const char* fmt, ...)
	#if defined(__GNUC__)
	__attribute__ ((noreturn))
	__attribute__ ((format(printf, 5, 6)))
	#endif
	;

	/*
	* Behaves the same as __android_log_assert_with_source. It also requires that
	* the user has enabled crash reporting, but does not perform the extra check to
	* see if they are using a tester email. Do not call this function unless you
	* can guarantee no privacy-sensitive data will be passed to it.
	*/
	void __android_log_assert_with_source_and_add_to_crash_report(
	const char* cond, const char *tag,
	const char* file, int line,
	const char* fmt, ...)
	#if defined(__GNUC__)
	__attribute__ ((noreturn))
	__attribute__ ((format(printf, 5, 6)))
	#endif
	;

	/*
	* Send a formatted string to the log, used like printf(fmt,...).
	* A version that uses va_list to list additional parameters.
	*/
	int __android_log_vprint(int prio, const char* tag,
	const char* fmt, va_list args);

	/*
	* A variant of __android_log_assert that takes a va_list to list
	* additional parameters.
	*/
	void __android_log_vassert(const char* cond, const char* tag,
	const char* fmt, va_list args);

	// These must match cutil/log.h values.
	typedef enum {
	ARC_LOG_ID_MAIN = 0,
	ARC_LOG_ID_RADIO = 1,
	ARC_LOG_ID_EVENTS = 2,
	ARC_LOG_ID_SYSTEM = 3,
	ARC_LOG_ID_CRASH = 4,

	ARC_LOG_ID_MAX
	} arc_log_id_t;

	}

	namespace arc {

	enum CrashLogMessageKind {
	ReportableOnlyForTesters = 0,
	ReportableForAllUsers
	};

	typedef void (*AddCrashExtraInformationFunction)
	(CrashLogMessageKind crash_log_message_kind,
	const char* field_name, const char* message);
	void RegisterCrashCallback(AddCrashExtraInformationFunction function);

	int PrintLogBuf(int bufID, int prio, const char* tag, const char* fmt, ...)
	#if defined(__GNUC__)
	__attribute__ ((format(printf, 4, 5)))
	#endif
	;

	// Used to explicitly mark the return value of a function as unused. If you are
	// really sure you don't want to do anything with the return value of a function
	// that has been marked WARN_UNUSED_RESULT, wrap it with this. Example:
	//
	// scoped_ptr<MyType> my_var = ...;
	// if (TakeOwnership(my_var.get()) == SUCCESS)
	// ignore_result(my_var.release());
	//
	// For ALOG's internal use only. Use the one in base/macros.h instead.
	namespace alog_internal {
	template <typename T>
	inline void ignore_result(const T&) {}
	}
	} // namespace arc
	/* ARC MOD END */

	// ---------------------------------------------------------------------

	/*
	* Normally we strip ALOGV (VERBOSE messages) from release builds.
	* 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

	/*
	* This 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

	// ---------------------------------------------------------------------

	/*
	* Simplified macro to send a verbose log message using the current LOG_TAG.
	*/
	#ifndef ALOGV
	#define __ALOGV(...) ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
	#if LOG_NDEBUG
	#define ALOGV(...) do { if (0) { __ALOGV(__VA_ARGS__); } } while (0)
	#else
	#define ALOGV(...) __ALOGV(__VA_ARGS__)
	#endif
	#endif

	#define CONDITION(cond) (__builtin_expect((cond)!=0, 0))

	#ifndef ALOGV_IF
	#if LOG_NDEBUG
	#define ALOGV_IF(cond, ...) ((void)0)
	#else
	#define ALOGV_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif
	#endif

	/*
	* Simplified macro to send a debug log message using the current LOG_TAG.
	*/
	#ifndef ALOGD
	#define ALOGD(...) ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__))
	#endif

	#ifndef ALOGD_IF
	#define ALOGD_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif

	/*
	* Simplified macro to send an info log message using the current LOG_TAG.
	*/
	#ifndef ALOGI
	#define ALOGI(...) ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__))
	#endif

	#ifndef ALOGI_IF
	#define ALOGI_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif

	/*
	* Simplified macro to send a warning log message using the current LOG_TAG.
	*/
	#ifndef ALOGW
	#define ALOGW(...) ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__))
	#endif

	#ifndef ALOGW_IF
	#define ALOGW_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif

	/*
	* Simplified macro to send an error log message using the current LOG_TAG.
	*/
	#ifndef ALOGE
	#define ALOGE(...) ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__))
	#endif

	#ifndef ALOGE_IF
	#define ALOGE_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif

	// ---------------------------------------------------------------------

	/*
	* Conditional based on whether the current LOG_TAG is enabled at
	* verbose priority.
	*/
	#ifndef IF_ALOGV
	#if LOG_NDEBUG
	#define IF_ALOGV() if (false)
	#else
	#define IF_ALOGV() IF_ALOG(LOG_VERBOSE, LOG_TAG)
	#endif
	#endif

	/*
	* Conditional based on whether the current LOG_TAG is enabled at
	* debug priority.
	*/
	#ifndef IF_ALOGD
	#define IF_ALOGD() IF_ALOG(LOG_DEBUG, LOG_TAG)
	#endif

	/*
	* Conditional based on whether the current LOG_TAG is enabled at
	* info priority.
	*/
	#ifndef IF_ALOGI
	#define IF_ALOGI() IF_ALOG(LOG_INFO, LOG_TAG)
	#endif

	/*
	* Conditional based on whether the current LOG_TAG is enabled at
	* warn priority.
	*/
	#ifndef IF_ALOGW
	#define IF_ALOGW() IF_ALOG(LOG_WARN, LOG_TAG)
	#endif

	/*
	* Conditional based on whether the current LOG_TAG is enabled at
	* error priority.
	*/
	#ifndef IF_ALOGE
	#define IF_ALOGE() IF_ALOG(LOG_ERROR, LOG_TAG)
	#endif


	// ---------------------------------------------------------------------

	/* ARC MOD BEGIN FORK */
	/* Adding SLOG() macros in order to make SLOG*() functions only
	* evaluate their arguments when logging is going to happen.
	*/
	/*
	* Simplified macro to send a verbose system log message using the current LOG_TAG.
	*/
	#ifndef SLOGV
	#if LOG_NDEBUG
	#define SLOGV(...) ((void)0)
	#else
	#define SLOGV(...) ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__))
	#endif
	#endif

	#define CONDITION(cond) (__builtin_expect((cond)!=0, 0))

	#ifndef SLOGV_IF
	#if LOG_NDEBUG
	#define SLOGV_IF(cond, ...) ((void)0)
	#else
	#define SLOGV_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif
	#endif

	/*
	* Simplified macro to send a debug system log message using the current LOG_TAG.
	*/
	#ifndef SLOGD
	#define SLOGD(...) ((void)SLOG(ANDROID_LOG_ID_SYSTEM, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__))
	#endif

	#ifndef SLOGD_IF
	#define SLOGD_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif

	/*
	* Simplified macro to send an info system log message using the current LOG_TAG.
	*/
	#ifndef SLOGI
	#define SLOGI(...) ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__))
	#endif

	#ifndef SLOGI_IF
	#define SLOGI_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif

	/*
	* Simplified macro to send a warning system log message using the current LOG_TAG.
	*/
	#ifndef SLOGW
	#define SLOGW(...) ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__))
	#endif

	#ifndef SLOGW_IF
	#define SLOGW_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif

	/*
	* Simplified macro to send an error system log message using the current LOG_TAG.
	*/
	#ifndef SLOGE
	#define SLOGE(...) ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
	#endif

	#ifndef SLOGE_IF
	#define SLOGE_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ((void)SLOG(ARC_LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) \
	: (void)0 )
	#endif
	/* ARC MOD END FORK */

	// ---------------------------------------------------------------------

	/*
	* Log a fatal error. If the given condition fails, this stops program
	* execution like a normal assertion, but also generating the given message.
	* It is NOT stripped from release builds. Note that the condition test
	* is -inverted- from the normal assert() semantics.
	*/
	#ifndef LOG_ALWAYS_FATAL_IF
	#define LOG_ALWAYS_FATAL_IF(cond, ...) \
	( (CONDITION(cond)) \
	/* ARC MOD BEGIN FORK */ \
	? ((void)android_printAssertArc(#cond, LOG_TAG, ## __VA_ARGS__)) \
	/* ARC MOD END FORK */ \
	: (void)0 )
	#endif

	#ifndef LOG_ALWAYS_FATAL
	#define LOG_ALWAYS_FATAL(...) \
	/* ARC MOD BEGIN FORK */ \
	( ((void)android_printAssertArc(NULL, LOG_TAG, ## __VA_ARGS__)) )
	#endif

	// WARNING: The log message printed by these macros is also sent to the crash
	// server, provided the user has agreed to do so. Do not use these macros unless
	// you are absolutely sure that the message will not have any privacy-sensitive
	// data. Otherwise, use LOG_ALWAYS_FATAL, which checks if the user has signed in
	// using a tester account.
	#ifndef LOG_ALWAYS_FATAL_AND_ADD_TO_CRASH_REPORT
	#define LOG_ALWAYS_FATAL_AND_ADD_TO_CRASH_REPORT(...) \
	( ((void)android_printAssertArcAddToCrashReport(NULL, LOG_TAG, \
	## __VA_ARGS__)) )
	#endif

	#ifndef LOG_ALWAYS_FATAL_AND_ADD_TO_CRASH_REPORT_IF
	#define LOG_ALWAYS_FATAL_AND_ADD_TO_CRASH_REPORT_IF(cond, ...) \
	( (CONDITION(cond)) \
	? ( ((void)android_printAssertArcAddToCrashReport(NULL, LOG_TAG, \
	## __VA_ARGS__)) ) \
	: (void)0 )
	#endif
	/* ARC MOD END FORK */
	/*
	* Versions of LOG_ALWAYS_FATAL_IF and LOG_ALWAYS_FATAL that
	* are stripped out of release builds.
	*/
	#if LOG_NDEBUG

	#ifndef LOG_FATAL_IF
	/* ARC MOD BEGIN */
	// Call ignore_result to reduce the number of ALLOW_UNUSED macros. See
	// the comment for ignore_result above for detail.
	#define LOG_FATAL_IF(cond, ...) \
	(::arc::alog_internal::ignore_result(false && (cond)))
	/* ARC MOD END */
	#endif
	#ifndef LOG_FATAL
	#define LOG_FATAL(...) ((void)0)
	#endif

	#else

	#ifndef LOG_FATAL_IF
	#define LOG_FATAL_IF(cond, ...) LOG_ALWAYS_FATAL_IF(cond, ## __VA_ARGS__)
	#endif
	#ifndef LOG_FATAL
	#define LOG_FATAL(...) LOG_ALWAYS_FATAL(__VA_ARGS__)
	#endif

	#endif

	/*
	* Assertion that generates a log message when the assertion fails.
	* Stripped out of release builds. Uses the current LOG_TAG.
	*/
	#ifndef ALOG_ASSERT
	#define ALOG_ASSERT(cond, ...) LOG_FATAL_IF(!(cond), ## __VA_ARGS__)
	//#define ALOG_ASSERT(cond) LOG_FATAL_IF(!(cond), "Assertion failed: " #cond)
	#endif

	// ---------------------------------------------------------------------

	/*
	* Basic log message macro.
	*
	* Example:
	* ALOG(LOG_WARN, NULL, "Failed with error %d", errno);
	*
	* The second argument may be NULL or "" to indicate the "global" tag.
	*/
	/* ARC MOD BEGIN */
	#ifndef ALOG
	#define ALOG(priority, tag, ...) \
	arc::PrintLogBuf(ARC_LOG_ID_MAIN, ARC_##priority, \
	tag, __VA_ARGS__)
	#endif

	#ifndef SLOG
	#define SLOG(buf_id, priority, tag, ...) \
	arc::PrintLogBuf(buf_id, priority, tag, __VA_ARGS__)
	#endif
	/* ARC MOD END */

	/*
	* ===========================================================================
	*
	* The stuff in the rest of this file should not be used directly.
	*/

	#define android_printLog(prio, tag, fmt...) \
	__android_log_print(prio, tag, fmt)

	#define android_vprintLog(prio, cond, tag, fmt...) \
	__android_log_vprint(prio, tag, fmt)

	/* XXX Macros to work around syntax errors in places where format string
	* arg is not passed to ALOG_ASSERT, LOG_ALWAYS_FATAL or LOG_ALWAYS_FATAL_IF
	* (happens only in debug builds).
	*/

	/* Returns 2nd arg. Used to substitute default value if caller's vararg list
	* is empty.
	*/
	#define __android_second(dummy, second, ...) second

	/* If passed multiple args, returns ',' followed by all but 1st arg, otherwise
	* returns nothing.
	*/
	#define __android_rest(first, ...) , ## __VA_ARGS__

	/* ARC MOD BEGIN */
	#define android_printAssertArc(cond, tag, fmt...) \
	__android_log_assert_with_source(cond, tag, __FILE__, __LINE__, \
	__android_second(0, ## fmt, NULL) __android_rest(fmt))

	// Sends the last log message to the plugin just before aborting. It was decided
	// to not send this during the crash reporting callback since the process is not
	// guaranteed to be in a good state to allocate the memory needed to send the
	// message. Also, there is no upstream support to add arbitrary data to the
	// minidump.
	// By sending this separately only in the cases when we know is safe, we
	// maximize the probability of reporting the crash successfully.
	#define android_printAssertArcAddToCrashReport(cond, tag, fmt...) \
	__android_log_assert_with_source_and_add_to_crash_report(cond, tag, \
	__FILE__, __LINE__, \
	__android_second(0, ## fmt, NULL) __android_rest(fmt))

	#endif // _COMMON_ALOG_H
	/* ARC MOD END */