platform_system_core/libbacktrace/BacktraceAsyncSafeLog.h
Christopher Ferris f30a810bce Use async safe logging in signal handlers.
Test: Boot on bullhead.
Test: Ran the libbacktrace tests on bullhead.
Test: Added a temporary log message in the signal handler, and ran the
Test: backtrace tests.
Change-Id: I0a6888c9f311af2c8cc7fbb4929315911bd2bb3c
2017-05-04 17:15:17 -07:00

41 lines
1.4 KiB
C

/*
* Copyright (C) 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.
*/
#ifndef _LIBBACKTRACE_BACKTRACE_ASYNC_SAFE_LOG_H
#define _LIBBACKTRACE_BACKTRACE_ASYNC_SAFE_LOG_H
#if defined(__ANDROID__)
#include <async_safe/log.h>
// Logging macros for use in signal handler, only available on target.
#define BACK_ASYNC_SAFE_LOGW(format, ...) \
async_safe_format_log(ANDROID_LOG_WARN, "libbacktrace", "%s: " format, __PRETTY_FUNCTION__, \
##__VA_ARGS__)
#define BACK_ASYNC_SAFE_LOGE(format, ...) \
async_safe_format_log(ANDROID_LOG_ERROR, "libbacktrace", "%s: " format, __PRETTY_FUNCTION__, \
##__VA_ARGS__)
#else
#define BACK_ASYNC_SAFE_LOGW(format, ...)
#define BACK_ASYNC_SAFE_LOGE(format, ...)
#endif
#endif // _LIBBACKTRACE_BACKTRACE_ASYNC_SAFE_LOG_H