/*
 * Phoenix-RTOS
 *
 * Operating system kernel
 *
 * POSIX-compatibility definitions
 *
 * Copyright 2018 Phoenix Systems
 * Author: Jan Sikorski
 *
 * This file is part of Phoenix-RTOS.
 *
 * %LICENSE%
 */

#ifndef _PHOENIX_POSIX_H_
#define _PHOENIX_POSIX_H_

enum { F_DUPFD = 0, F_DUPFD_CLOEXEC, F_GETFD, F_SETFD, F_GETFL, F_SETFL,
       F_GETOWN, F_SETOWN, F_GETLK, F_SETLK, F_SETLKW };

#define FD_CLOEXEC 1

#define O_RDONLY   0x0001
#define O_WRONLY   0x0002
#define O_RDWR     0x0004
#define O_APPEND   0x0008
#define O_CREAT    0x0100
#define O_TRUNC    0x0200
#define O_EXCL     0x0400
#define O_SYNC     0x0800
#define O_NONBLOCK 0x1000
#define O_NOCTTY   0x2000
#define O_CLOEXEC  0x4000

typedef int ssize_t;

typedef size_t socklen_t;
typedef unsigned short sa_family_t;

struct sockaddr {
	sa_family_t sa_family;
	char sa_data[14];
};


#define S_IFMT   0170000
#define S_IFIFO  0010000
#define S_IFCHR  0020000
#define S_IFDIR  0040000
#define S_IFBLK  0060000
#define S_IFREG  0100000
#define S_IFLNK  0120000
#define S_IFSOCK 0140000

#define S_BLKSIZE 512

#define S_ISDIR(m)  (((m) & (0170000)) == 0040000)
#define S_ISCHR(m)  (((m) & (0170000)) == 0020000)
#define S_ISBLK(m)  (((m) & (0170000)) == 0060000)
#define S_ISREG(m)  (((m) & (0170000)) == 0100000)
#define S_ISFIFO(m) (((m) & (0170000)) == 0010000)
#define S_ISLNK(m)  (((m) & (0170000)) == 0120000)
#define S_ISSOCK(m) (((m) & (0170000)) == 0140000)

#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2

typedef int dev_t;

typedef int pid_t;
typedef int mode_t;
typedef int gid_t;
typedef int uid_t;

typedef int dev_t;
typedef int ino_t; /* FIXME: should be unsigned long long to encode id_t? */
typedef int nlink_t;
typedef int blksize_t;
typedef long long blkcnt_t;
typedef long long off64_t;
typedef off64_t off_t;


struct stat {
	dev_t st_dev;
	ino_t st_ino;
	mode_t st_mode;
	nlink_t st_nlink;
	uid_t st_uid;
	gid_t st_gid;
	dev_t st_rdev;
	off_t st_size;
	time_t st_atime;
	time_t st_mtime;
	time_t st_ctime;
	blksize_t st_blksize;
	blkcnt_t st_blocks;
};


struct timeval {
};


#define AF_UNSPEC 0
#define AF_UNIX   1
#define AF_INET   2
#define AF_INET6  10
#define AF_KEY    15
#define AF_PACKET 17

#define PF_UNSPEC AF_UNSPEC
#define PF_UNIX   AF_UNIX
#define PF_INET   AF_INET
#define PF_INET6  AF_INET6
#define PF_KEY    AF_KEY
#define PF_PACKET AF_PACKET

#define SOCK_STREAM    1
#define SOCK_DGRAM     2
#define SOCK_RAW       3
#define SOCK_SEQPACKET 4
#define SOCK_RDM       5

#define SOL_SOCKET 0xFFF

#define MSG_PEEK     0x01
#define MSG_WAITALL  0x02
#define MSG_OOB      0x04
#define MSG_DONTWAIT 0x08
#define MSG_MORE     0x10

#define SCM_RIGHTS 1

#define POLLIN     0x1
#define POLLRDNORM 0x2
#define POLLRDBAND 0x4
#define POLLPRI    0x8
#define POLLOUT    0x10
#define POLLWRNORM 0x20
#define POLLWRBAND 0x40
#define POLLERR    0x80
#define POLLHUP    0x100
#define POLLNVAL   0x200


typedef unsigned int nfds_t;


struct pollfd {
	int fd;
	short events;
	short revents;
};


struct iovec {
	void *iov_base;
	size_t iov_len;
};


struct msghdr {
	void *msg_name;
	socklen_t msg_namelen;
	struct iovec *msg_iov;
	int msg_iovlen;
	void *msg_control;
	socklen_t msg_controllen;
	int msg_flags;
};


struct cmsghdr {
	socklen_t cmsg_len;
	int cmsg_level;
	int cmsg_type;
};

#endif