magenta/include/socks/compiler.h

#ifndef SOCKS_COMPILER_H_
#define SOCKS_COMPILER_H_

#define READ_ONCE(t, p) (*((const volatile t *)&(p)))
#define WRITE_ONCE(t, p, v) *(volatile t *)&(p) = (v)

#ifdef __cplusplus
template <typename T>
T read_once(const volatile T *ptr)
{
	return *ptr;
}

template <typename T>
void write_once(volatile T *ptr, T value)
{
	*ptr = value;
}
#endif

#undef __used
#define __used __attribute__((used))

#undef __packed
#define __packed __attribute__((packed))

#undef __section
#define __section(name) __attribute__((section(name)))

#undef __aligned
#define __aligned(x) __attribute__((aligned(x)))

#endif