diff options
author | Mark Salyzyn <salyzyn@google.com> | 2016-09-28 13:26:55 -0700 |
---|---|---|
committer | Mark Salyzyn <salyzyn@google.com> | 2016-09-30 12:47:05 -0700 |
commit | 6584d0a35ab7722bdc6590525dee29f72f0ec576 (patch) | |
tree | 6781f6f444cfab89b4e1b6bc4dc6ac555afefa39 /include/android | |
parent | a166708d1541007ab5502040051e31863a29edce (diff) | |
download | system_core-6584d0a35ab7722bdc6590525dee29f72f0ec576.tar.gz system_core-6584d0a35ab7722bdc6590525dee29f72f0ec576.tar.bz2 system_core-6584d0a35ab7722bdc6590525dee29f72f0ec576.zip |
liblog: Replace log/log.h with android/log.h
Move all liblog related content into android/log.h, and make
log/log.h points to android/log.h.
Test: Compile
Bug: 26552300
Bug: 31289077
Change-Id: I858e0ebe047b86f2a8530a99bc9c380d3d58edbb
Diffstat (limited to 'include/android')
-rw-r--r-- | include/android/log.h | 694 |
1 files changed, 694 insertions, 0 deletions
diff --git a/include/android/log.h b/include/android/log.h index a4973b272..de5502a8f 100644 --- a/include/android/log.h +++ b/include/android/log.h @@ -67,7 +67,17 @@ * NOTE: These functions MUST be implemented by /system/lib/liblog.so */ +#if !defined(_WIN32) +#include <pthread.h> +#endif #include <stdarg.h> +#include <stdint.h> +#include <stdio.h> +#include <sys/types.h> +#include <time.h> +#include <unistd.h> + +#include <log/uio.h> #ifdef __cplusplus extern "C" { @@ -142,6 +152,690 @@ void __android_log_assert(const char *cond, const char *tag, #endif ; +// +// 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. +// + +// This file uses ", ## __VA_ARGS__" zero-argument token pasting to +// work around issues with debug-only syntax errors in assertions +// that are missing format strings. See commit +// 19299904343daf191267564fe32e6cd5c165cd42 +#if defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments" +#endif + +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_security_bwrite(int32_t tag, const void *payload, size_t len); +int __android_log_security_bswrite(int32_t tag, const char *payload); + +// --------------------------------------------------------------------- + +/* + * 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 + +// --------------------------------------------------------------------- + +#ifndef __predict_false +#define __predict_false(exp) __builtin_expect((exp) != 0, 0) +#endif + +/* + * -DLINT_RLOG in sources that you want to enforce that all logging + * goes to the radio log buffer. If any logging goes to any of the other + * log buffers, there will be a compile or link error to highlight the + * problem. This is not a replacement for a full audit of the code since + * this only catches compiled code, not ifdef'd debug code. Options to + * defining this, either temporarily to do a spot check, or permanently + * to enforce, in all the communications trees; We have hopes to ensure + * that by supplying just the radio log buffer that the communications + * teams will have their one-stop shop for triaging issues. + */ +#ifndef LINT_RLOG + +/* + * 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 + +#ifndef ALOGV_IF +#if LOG_NDEBUG +#define ALOGV_IF(cond, ...) ((void)0) +#else +#define ALOGV_IF(cond, ...) \ + ( (__predict_false(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, ...) \ + ( (__predict_false(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, ...) \ + ( (__predict_false(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, ...) \ + ( (__predict_false(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, ...) \ + ( (__predict_false(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 + + +// --------------------------------------------------------------------- + +/* + * Simplified macro to send a verbose system log message using the current LOG_TAG. + */ +#ifndef SLOGV +#define __SLOGV(...) \ + ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) +#if LOG_NDEBUG +#define SLOGV(...) do { if (0) { __SLOGV(__VA_ARGS__); } } while (0) +#else +#define SLOGV(...) __SLOGV(__VA_ARGS__) +#endif +#endif + +#ifndef SLOGV_IF +#if LOG_NDEBUG +#define SLOGV_IF(cond, ...) ((void)0) +#else +#define SLOGV_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(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)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef SLOGD_IF +#define SLOGD_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(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)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef SLOGI_IF +#define SLOGI_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(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)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef SLOGW_IF +#define SLOGW_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(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)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef SLOGE_IF +#define SLOGE_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +#endif /* !LINT_RLOG */ + +// --------------------------------------------------------------------- + +/* + * Simplified macro to send a verbose radio log message using the current LOG_TAG. + */ +#ifndef RLOGV +#define __RLOGV(...) \ + ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) +#if LOG_NDEBUG +#define RLOGV(...) do { if (0) { __RLOGV(__VA_ARGS__); } } while (0) +#else +#define RLOGV(...) __RLOGV(__VA_ARGS__) +#endif +#endif + +#ifndef RLOGV_IF +#if LOG_NDEBUG +#define RLOGV_IF(cond, ...) ((void)0) +#else +#define RLOGV_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif +#endif + +/* + * Simplified macro to send a debug radio log message using the current LOG_TAG. + */ +#ifndef RLOGD +#define RLOGD(...) \ + ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef RLOGD_IF +#define RLOGD_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +/* + * Simplified macro to send an info radio log message using the current LOG_TAG. + */ +#ifndef RLOGI +#define RLOGI(...) \ + ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef RLOGI_IF +#define RLOGI_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +/* + * Simplified macro to send a warning radio log message using the current LOG_TAG. + */ +#ifndef RLOGW +#define RLOGW(...) \ + ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef RLOGW_IF +#define RLOGW_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +/* + * Simplified macro to send an error radio log message using the current LOG_TAG. + */ +#ifndef RLOGE +#define RLOGE(...) \ + ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef RLOGE_IF +#define RLOGE_IF(cond, ...) \ + ( (__predict_false(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + + +// --------------------------------------------------------------------- + +/* + * 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, ...) \ + ( (__predict_false(cond)) \ + ? ((void)android_printAssert(#cond, LOG_TAG, ## __VA_ARGS__)) \ + : (void)0 ) +#endif + +#ifndef LOG_ALWAYS_FATAL +#define LOG_ALWAYS_FATAL(...) \ + ( ((void)android_printAssert(NULL, LOG_TAG, ## __VA_ARGS__)) ) +#endif + +/* + * Versions of LOG_ALWAYS_FATAL_IF and LOG_ALWAYS_FATAL that + * are stripped out of release builds. + */ +#if LOG_NDEBUG + +#ifndef LOG_FATAL_IF +#define LOG_FATAL_IF(cond, ...) ((void)0) +#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. + */ +#ifndef ALOG +#define ALOG(priority, tag, ...) \ + LOG_PRI(ANDROID_##priority, tag, __VA_ARGS__) +#endif + +/* + * Log macro that allows you to specify a number for the priority. + */ +#ifndef LOG_PRI +#define LOG_PRI(priority, tag, ...) \ + android_printLog(priority, tag, __VA_ARGS__) +#endif + +/* + * Log macro that allows you to pass in a varargs ("args" is a va_list). + */ +#ifndef LOG_PRI_VA +#define LOG_PRI_VA(priority, tag, fmt, args) \ + android_vprintLog(priority, NULL, tag, fmt, args) +#endif + +/* + * Conditional given a desired logging priority and tag. + */ +#ifndef IF_ALOG +#define IF_ALOG(priority, tag) \ + if (android_testLog(ANDROID_##priority, tag)) +#endif + +// --------------------------------------------------------------------- + +/* + * Event logging. + */ + +/* + * 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, /* uint32_t */ + EVENT_TYPE_LONG = 1, /* uint64_t */ + EVENT_TYPE_STRING = 2, + EVENT_TYPE_LIST = 3, + EVENT_TYPE_FLOAT = 4, +} AndroidEventLogType; +#define sizeof_AndroidEventLogType sizeof(typeof_AndroidEventLogType) +#define typeof_AndroidEventLogType unsigned char + +#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 + +typedef enum log_id { + LOG_ID_MIN = 0, + +#ifndef LINT_RLOG + LOG_ID_MAIN = 0, +#endif + LOG_ID_RADIO = 1, +#ifndef LINT_RLOG + LOG_ID_EVENTS = 2, + LOG_ID_SYSTEM = 3, + LOG_ID_CRASH = 4, + LOG_ID_SECURITY = 5, + LOG_ID_KERNEL = 6, /* place last, third-parties can not use it */ +#endif + + LOG_ID_MAX +} log_id_t; +#define sizeof_log_id_t sizeof(typeof_log_id_t) +#define typeof_log_id_t unsigned char + +/* For manipulating lists of events. */ + +#define ANDROID_MAX_LIST_NEST_DEPTH 8 + +/* + * The opaque context used to manipulate lists of events. + */ +typedef struct android_log_context_internal *android_log_context; + +/* + * Elements returned when reading a list of events. + */ +typedef struct { + AndroidEventLogType type; + uint16_t complete; + uint16_t len; + union { + int32_t int32; + int64_t int64; + char *string; + float float32; + } data; +} android_log_list_element; + +/* + * Creates a context associated with an event tag to write elements to + * the list of events. + */ +android_log_context create_android_logger(uint32_t tag); + +/* All lists must be braced by a begin and end call */ +/* + * NB: If the first level braces are missing when specifying multiple + * elements, we will manufacturer a list to embrace it for your API + * convenience. For a single element, it will remain solitary. + */ +int android_log_write_list_begin(android_log_context ctx); +int android_log_write_list_end(android_log_context ctx); + +int android_log_write_int32(android_log_context ctx, int32_t value); +int android_log_write_int64(android_log_context ctx, int64_t value); +int android_log_write_string8(android_log_context ctx, const char *value); +int android_log_write_string8_len(android_log_context ctx, + const char *value, size_t maxlen); +int android_log_write_float32(android_log_context ctx, float value); + +/* Submit the composed list context to the specified logger id */ +/* NB: LOG_ID_EVENTS and LOG_ID_SECURITY only valid binary buffers */ +int android_log_write_list(android_log_context ctx, log_id_t id); + +/* + * Creates a context from a raw buffer representing a list of events to be read. + */ +android_log_context create_android_log_parser(const char *msg, size_t len); + +android_log_list_element android_log_read_next(android_log_context ctx); +android_log_list_element android_log_peek_next(android_log_context ctx); + +/* Finished with reader or writer context */ +int android_log_destroy(android_log_context *ctx); + +/* + * =========================================================================== + * + * The stuff in the rest of this file should not be used directly. + */ + +#define android_printLog(prio, tag, ...) \ + __android_log_print(prio, tag, __VA_ARGS__) + +#define android_vprintLog(prio, cond, tag, ...) \ + __android_log_vprint(prio, tag, __VA_ARGS__) + +/* 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__ + +#define android_printAssert(cond, tag, ...) \ + __android_log_assert(cond, tag, \ + __android_second(0, ## __VA_ARGS__, NULL) __android_rest(__VA_ARGS__)) + +#define android_writeLog(prio, tag, text) \ + __android_log_write(prio, tag, text) + +#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) + +#define android_errorWriteLog(tag, subTag) \ + __android_log_error_write(tag, subTag, -1, NULL, 0) + +#define android_errorWriteWithInfoLog(tag, subTag, uid, data, dataLen) \ + __android_log_error_write(tag, subTag, uid, data, dataLen) + +/* + * IF_ALOG uses android_testLog, but IF_ALOG can be overridden. + * android_testLog will remain constant in its purpose as a wrapper + * for Android logging filter policy, and can be subject to + * change. It can be reused by the developers that override + * IF_ALOG as a convenient means to reimplement their policy + * over Android. + */ +#if LOG_NDEBUG /* Production */ +#define android_testLog(prio, tag) \ + (__android_log_is_loggable(prio, tag, ANDROID_LOG_DEBUG) != 0) +#else +#define android_testLog(prio, tag) \ + (__android_log_is_loggable(prio, tag, ANDROID_LOG_VERBOSE) != 0) +#endif + +/* + * Use the per-tag properties "log.tag.<tagname>" to generate a runtime + * result of non-zero to expose a log. prio is ANDROID_LOG_VERBOSE to + * ANDROID_LOG_FATAL. default_prio if no property. Undefined behavior if + * any other value. + */ +int __android_log_is_loggable(int prio, const char *tag, int default_prio); + +int __android_log_security(); /* Device Owner is present */ + +int __android_log_error_write(int tag, const char *subTag, int32_t uid, const char *data, + uint32_t dataLen); + +/* + * Send a simple string to the log. + */ +int __android_log_buf_write(int bufID, int prio, const char *tag, const char *text); +int __android_log_buf_print(int bufID, int prio, const char *tag, const char *fmt, ...) +#if defined(__GNUC__) + __attribute__((__format__(printf, 4, 5))) +#endif + ; + +#if defined(__clang__) +#pragma clang diagnostic pop +#endif + #ifdef __cplusplus } #endif |