ladybird/Kernel/UnixTypes.h

#pragma once

#define FD_SETSIZE 64
struct fd_set { unsigned char bits[FD_SETSIZE / 8];  };

#define WNOHANG 1

#define SIG_DFL ((void*)0)
#define SIG_ERR ((void*)-1)
#define SIG_IGN ((void*)1)

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

#define MAP_SHARED 0x01
#define MAP_PRIVATE 0x02
#define MAP_FIXED 0x10
#define MAP_ANONYMOUS 0x20
#define MAP_ANON MAP_ANONYMOUS

#define PROT_READ 0x1
#define PROT_WRITE 0x2
#define PROT_EXEC 0x4
#define PROT_NONE 0x0

#define F_DUPFD 0
#define F_GETFD 1
#define F_SETFD 2
#define F_GETFL 3
#define F_SETFL 4

#define FD_CLOEXEC 1

/* c_cc characters */
#define VINTR 0
#define VQUIT 1
#define VERASE 2
#define VKILL 3
#define VEOF 4
#define VTIME 5
#define VMIN 6
#define VSWTC 7
#define VSTART 8
#define VSTOP 9
#define VSUSP 10
#define VEOL 11
#define VREPRINT 12
#define VDISCARD 13
#define VWERASE 14
#define VLNEXT 15
#define VEOL2 16

/* c_iflag bits */
#define IGNBRK	0000001
#define BRKINT	0000002
#define IGNPAR	0000004
#define PARMRK	0000010
#define INPCK	0000020
#define ISTRIP	0000040
#define INLCR	0000100
#define IGNCR	0000200
#define ICRNL	0000400
#define IUCLC	0001000
#define IXON	0002000
#define IXANY	0004000
#define IXOFF	0010000
#define IMAXBEL	0020000
#define IUTF8	0040000

/* c_oflag bits */
#define OPOST	0000001
#define OLCUC	0000002
#define ONLCR	0000004
#define OCRNL	0000010
#define ONOCR	0000020
#define ONLRET	0000040
#define OFILL	0000100
#define OFDEL	0000200
#if defined __USE_MISC || defined __USE_XOPEN
# define NLDLY	0000400
# define   NL0	0000000
# define   NL1	0000400
# define CRDLY	0003000
# define   CR0	0000000
# define   CR1	0001000
# define   CR2	0002000
# define   CR3	0003000
# define TABDLY	0014000
# define   TAB0	0000000
# define   TAB1	0004000
# define   TAB2	0010000
# define   TAB3	0014000
# define BSDLY	0020000
# define   BS0	0000000
# define   BS1	0020000
# define FFDLY	0100000
# define   FF0	0000000
# define   FF1	0100000
#endif

#define VTDLY	0040000
#define   VT0	0000000
#define   VT1	0040000

#ifdef __USE_MISC
# define XTABS	0014000
#endif

/* c_cflag bit meaning */
#ifdef __USE_MISC
# define CBAUD	0010017
#endif
#define  B0	0000000		/* hang up */
#define  B50	0000001
#define  B75	0000002
#define  B110	0000003
#define  B134	0000004
#define  B150	0000005
#define  B200	0000006
#define  B300	0000007
#define  B600	0000010
#define  B1200	0000011
#define  B1800	0000012
#define  B2400	0000013
#define  B4800	0000014
#define  B9600	0000015
#define  B19200	0000016
#define  B38400	0000017
#ifdef __USE_MISC
# define EXTA B19200
# define EXTB B38400
#endif
#define CSIZE	0000060
#define   CS5	0000000
#define   CS6	0000020
#define   CS7	0000040
#define   CS8	0000060
#define CSTOPB	0000100
#define CREAD	0000200
#define PARENB	0000400
#define PARODD	0001000
#define HUPCL	0002000
#define CLOCAL	0004000
#ifdef __USE_MISC
# define CBAUDEX 0010000
#endif
#define  B57600   0010001
#define  B115200  0010002
#define  B230400  0010003
#define  B460800  0010004
#define  B500000  0010005
#define  B576000  0010006
#define  B921600  0010007
#define  B1000000 0010010
#define  B1152000 0010011
#define  B1500000 0010012
#define  B2000000 0010013
#define  B2500000 0010014
#define  B3000000 0010015
#define  B3500000 0010016
#define  B4000000 0010017
#define __MAX_BAUD B4000000
#ifdef __USE_MISC
# define CIBAUD	  002003600000		/* input baud rate (not used) */
# define CMSPAR   010000000000		/* mark or space (stick) parity */
# define CRTSCTS  020000000000		/* flow control */
#endif

/* c_lflag bits */
#define ISIG	0000001
#define ICANON	0000002
#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
# define XCASE	0000004
#endif
#define ECHO	0000010
#define ECHOE	0000020
#define ECHOK	0000040
#define ECHONL	0000100
#define NOFLSH	0000200
#define TOSTOP	0000400
#ifdef __USE_MISC
# define ECHOCTL 0001000
# define ECHOPRT 0002000
# define ECHOKE	 0004000
# define FLUSHO	 0010000
# define PENDIN	 0040000
#endif
#define IEXTEN	0100000
#ifdef __USE_MISC
# define EXTPROC 0200000
#endif

/* tcflow() and TCXONC use these */
#define	TCOOFF		0
#define	TCOON		1
#define	TCIOFF		2
#define	TCION		3

/* tcflush() and TCFLSH use these */
#define	TCIFLUSH	0
#define	TCOFLUSH	1
#define	TCIOFLUSH	2

/* tcsetattr uses these */
#define	TCSANOW		0
#define	TCSADRAIN	1
#define	TCSAFLUSH	2

struct winsize {
    unsigned short ws_row;
    unsigned short ws_col;
};

typedef dword dev_t;
typedef dword ino_t;
typedef word mode_t;
typedef dword nlink_t;
typedef dword uid_t;
typedef dword gid_t;
typedef dword clock_t;

struct tms {
    clock_t tms_utime;
    clock_t tms_stime;
    clock_t tms_cutime;
    clock_t tms_cstime;
};

typedef void (*__sighandler_t)(int);
typedef __sighandler_t sighandler_t;

typedef dword sigset_t;
typedef void siginfo_t;

struct sigaction {
    union {
        void (*sa_handler)(int);
        void (*sa_sigaction)(int, siginfo_t*, void*);
    };
    sigset_t sa_mask;
    int sa_flags;
    void (*sa_restorer)(void);
};

#define SA_NOCLDSTOP 1
#define SA_NOCLDWAIT 2
#define SA_SIGINFO 4

#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2

// FIXME: Support 64-bit offsets!
typedef signed_dword off_t;
typedef dword time_t;

struct utimbuf {
    time_t actime;
    time_t modtime;
};

typedef dword blksize_t;
typedef dword blkcnt_t;

#define NCCS 32

typedef uint32_t tcflag_t;
typedef uint8_t cc_t;

struct termios {
    tcflag_t c_iflag;
    tcflag_t c_oflag;
    tcflag_t c_cflag;
    tcflag_t c_lflag;
    cc_t     c_cc[NCCS];
};

struct stat {
    dev_t     st_dev;     /* ID of device containing file */
    ino_t     st_ino;     /* inode number */
    mode_t    st_mode;    /* protection */
    nlink_t   st_nlink;   /* number of hard links */
    uid_t     st_uid;     /* user ID of owner */
    gid_t     st_gid;     /* group ID of owner */
    dev_t     st_rdev;    /* device ID (if special file) */
    off_t     st_size;    /* total size, in bytes */
    blksize_t st_blksize; /* blocksize for file system I/O */
    blkcnt_t  st_blocks;  /* number of 512B blocks allocated */
    time_t    st_atime;   /* time of last access */
    time_t    st_mtime;   /* time of last modification */
    time_t    st_ctime;   /* time of last status change */
};

#define POLLIN   (1u << 0)
#define POLLPRI  (1u << 2)
#define POLLOUT  (1u << 3)
#define POLLERR  (1u << 4)
#define POLLHUP  (1u << 5)
#define POLLNVAL (1u << 6)

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