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/*
*
* honggfuzz - core macros and helpers
* -----------------------------------------
*
* Author: Robert Swiecki <swiecki@google.com>
*
* Copyright 2010-2017 by Google Inc. All Rights Reserved.
*
* 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 _HF_COMMON_H_
#define _HF_COMMON_H_
#include <stdlib.h>
#include <unistd.h>
#ifndef UNUSED
#define UNUSED __attribute__((unused))
#endif /* ifndef UNUSED */
#ifndef ARRAYSIZE
#define ARRAYSIZE(x) (sizeof(x) / sizeof(*x))
#endif /* ifndef ARRAYSIZE */
/* Memory barriers */
#define rmb() __asm__ __volatile__("" ::: "memory")
#define wmb() __sync_synchronize()
/* TEMP_FAILURE_RETRY, but for all OSes */
#ifndef TEMP_FAILURE_RETRY
#define TEMP_FAILURE_RETRY(exp) \
({ \
__typeof(exp) _rc; \
do { \
_rc = (exp); \
} while (_rc == -1 && errno == EINTR); \
_rc; \
})
#endif /* ifndef TEMP_FAILURE_RETRY */
#endif /* ifndef _HF_COMMON_H_ */
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