haiku/headers/private/net/r5_compatibility.h

/*
 * Copyright 2006, Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef NET_R5_COMPATIBILITY_H
#define NET_R5_COMPATIBILITY_H


#include <SupportDefs.h>


#define R5_SOCK_DGRAM	1
#define R5_SOCK_STREAM	2

#define R5_AF_INET		1

#define R5_IPPROTO_UDP	1
#define R5_IPPROTO_TCP	2
#define R5_IPPROTO_ICMP	3

// setsockopt() defines

#define R5_SOL_SOCKET	1

#define R5_SO_DEBUG		1
#define R5_SO_REUSEADDR	2
#define R5_SO_NONBLOCK	3
#define R5_SO_REUSEPORT	4
#define R5_SO_FIONREAD	5

#define R5_MSG_OOB		0x01


struct r5_sockaddr_in {
	uint16	sin_family;
	uint16	sin_port;
	uint32	sin_addr;
	char	sin_zero[4];
};

extern bool __gR5Compatibility;
extern addr_t __gNetworkStart;
extern addr_t __gNetworkEnd;
extern addr_t __gNetAPIStart;
extern addr_t __gNetAPIEnd;


static inline bool
check_r5_compatibility()
{
	if (!__gR5Compatibility)
		return false;

#ifndef __INTEL__
	return false;
#else

	struct stack_frame {
		struct stack_frame*	previous;
		addr_t					return_address;
	};

	stack_frame* frame = (stack_frame*)get_stack_frame();
	if (frame->return_address >= __gNetworkStart
		&& frame->return_address < __gNetworkEnd) {
		return false;
	}

	return true;
#endif
}


#endif	// NET_R5_COMPATIBILITY_H