#ifndef FIO_COMPILER_H
#define FIO_COMPILER_H
#if __GNUC__ >= 4
#include "compiler-gcc4.h"
#elif __GNUC__ == 3
#include "compiler-gcc3.h"
#else
#error Compiler too old, need gcc at least gcc 3.x
#endif
#ifndef __must_check
#define __must_check
#endif
/*
* Mark unused variables passed to ops functions as unused, to silence gcc
*/
#define fio_unused __attribute__((__unused__))
#define fio_init __attribute__((constructor))
#define fio_exit __attribute__((destructor))
#define fio_unlikely(x) __builtin_expect(!!(x), 0)
#endif