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/*
* Copyright (C) 2016 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.
*/
#pragma once
#include <sys/cdefs.h>
#include <unistd.h>
/*
* Declare this library function as reimplementation.
* Prevent circular dependencies, but allow _real_ library to hijack
*/
#if defined(_WIN32)
#define LIBLOG_WEAK static /* Accept that it is totally private */
#else
#define LIBLOG_WEAK extern "C" __attribute__((weak, visibility("default")))
#endif
/* possible missing definitions in sys/cdefs.h */
/* DECLS */
#ifndef __BEGIN_DECLS
#if defined(__cplusplus)
#define __BEGIN_DECLS extern "C" {
#define __END_DECLS }
#else
#define __BEGIN_DECLS
#define __END_DECLS
#endif
#endif
/* possible missing definitions in unistd.h */
#ifndef TEMP_FAILURE_RETRY
/* Used to retry syscalls that can return EINTR. */
#define TEMP_FAILURE_RETRY(exp) \
({ \
__typeof__(exp) _rc; \
do { \
_rc = (exp); \
} while (_rc == -1 && errno == EINTR); \
_rc; \
})
#endif
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