linux

const (
	IOCB_CMD_PREAD  = 0
	IOCB_CMD_PWRITE = 1
	IOCB_CMD_FSYNC  = 2
	IOCB_CMD_FDSYNC = 3
	// 4 was the experimental IOCB_CMD_PREADX.
	IOCB_CMD_POLL    = 5
	IOCB_CMD_NOOP    = 6
	IOCB_CMD_PREADV  = 7
	IOCB_CMD_PWRITEV = 8
)

const (
	IOCB_FLAG_RESFD  = 1
	IOCB_FLAG_IOPRIO = 2
)

const (
	VSyscallStartAddr uint64 = 0xffffffffff600000
	VSyscallEndAddr   uint64 = 0xffffffffff601000
)

const (
	// AUDIT_ARCH_X86_64 identifies AMD64.
	AUDIT_ARCH_X86_64 = 0xc000003e
	// AUDIT_ARCH_AARCH64 identifies ARM64.
	AUDIT_ARCH_AARCH64 = 0xc00000b7
)

const (
	CAP_CHOWN              = Capability(0)
	CAP_DAC_OVERRIDE       = Capability(1)
	CAP_DAC_READ_SEARCH    = Capability(2)
	CAP_FOWNER             = Capability(3)
	CAP_FSETID             = Capability(4)
	CAP_KILL               = Capability(5)
	CAP_SETGID             = Capability(6)
	CAP_SETUID             = Capability(7)
	CAP_SETPCAP            = Capability(8)
	CAP_LINUX_IMMUTABLE    = Capability(9)
	CAP_NET_BIND_SERVICE   = Capability(10)
	CAP_NET_BROADCAST      = Capability(11)
	CAP_NET_ADMIN          = Capability(12)
	CAP_NET_RAW            = Capability(13)
	CAP_IPC_LOCK           = Capability(14)
	CAP_IPC_OWNER          = Capability(15)
	CAP_SYS_MODULE         = Capability(16)
	CAP_SYS_RAWIO          = Capability(17)
	CAP_SYS_CHROOT         = Capability(18)
	CAP_SYS_PTRACE         = Capability(19)
	CAP_SYS_PACCT          = Capability(20)
	CAP_SYS_ADMIN          = Capability(21)
	CAP_SYS_BOOT           = Capability(22)
	CAP_SYS_NICE           = Capability(23)
	CAP_SYS_RESOURCE       = Capability(24)
	CAP_SYS_TIME           = Capability(25)
	CAP_SYS_TTY_CONFIG     = Capability(26)
	CAP_MKNOD              = Capability(27)
	CAP_LEASE              = Capability(28)
	CAP_AUDIT_WRITE        = Capability(29)
	CAP_AUDIT_CONTROL      = Capability(30)
	CAP_SETFCAP            = Capability(31)
	CAP_MAC_OVERRIDE       = Capability(32)
	CAP_MAC_ADMIN          = Capability(33)
	CAP_SYSLOG             = Capability(34)
	CAP_WAKE_ALARM         = Capability(35)
	CAP_BLOCK_SUSPEND      = Capability(36)
	CAP_AUDIT_READ         = Capability(37)
	CAP_PERFMON            = Capability(38)
	CAP_BPF                = Capability(39)
	CAP_CHECKPOINT_RESTORE = Capability(40)

	// CAP_LAST_CAP is the highest-numbered capability.
	// Search for "CAP_LAST_CAP" to find other places that need to change.
	CAP_LAST_CAP = CAP_CHECKPOINT_RESTORE
)

const (
	// LINUX_CAPABILITY_VERSION_1 causes the data pointer to be
	// interpreted as a pointer to a single cap_user_data_t. Since capability
	// sets are 64 bits and the "capability sets" in cap_user_data_t are 32
	// bits only, this causes the upper 32 bits to be implicitly 0.
	LINUX_CAPABILITY_VERSION_1 = 0x19980330

	// LINUX_CAPABILITY_VERSION_2 and LINUX_CAPABILITY_VERSION_3 cause the
	// data pointer to be interpreted as a pointer to an array of 2
	// cap_user_data_t, using the second to store the 32 MSB of each capability
	// set. Versions 2 and 3 are identical, but Linux printk's a warning on use
	// of version 2 due to a userspace API defect.
	LINUX_CAPABILITY_VERSION_2 = 0x20071026
	LINUX_CAPABILITY_VERSION_3 = 0x20080522

	// HighestCapabilityVersion is the highest supported
	// LINUX_CAPABILITY_VERSION_* version.
	HighestCapabilityVersion = LINUX_CAPABILITY_VERSION_3
)

const (
	// The flag decides the value of effective file capabilit
	VFS_CAP_FLAGS_EFFECTIVE = 0x000001
	// VFS_CAP_REVISION_1 was the original file capability implementation,
	// which supported 32-bit masks for file capabilities.
	VFS_CAP_REVISION_1 = 0x01000000
	// VFS_CAP_REVISION_2 allows for file capability masks that are 64
	// bits in size, and was necessary as the number of supported
	// capabilities grew beyond 32.
	VFS_CAP_REVISION_2 = 0x02000000
	// VFS_CAP_REVISION_3 are provided to support namespaced file capabilities.
	// As with version 2 file capabilities, version 3 capability
	// masks are 64 bits in size.  But in addition, the root user
	// ID of namespace is encoded in the security.capability
	// extended attribute.
	VFS_CAP_REVISION_3    = 0x03000000
	VFS_CAP_REVISION_MASK = 0xFF000000
	// The encoded VFS_CAP_REVISION_1 data's number of bytes.
	XATTR_CAPS_SZ_1 = 12
	// The encoded VFS_CAP_REVISION_2 data's number of bytes.
	XATTR_CAPS_SZ_2 = 20
	// The encoded VFS_CAP_REVISION_3 data's number of bytes.
	XATTR_CAPS_SZ_3 = 24
)

const (
	CSIGNAL = 0xff

	CLONE_VM             = 0x100
	CLONE_FS             = 0x200
	CLONE_FILES          = 0x400
	CLONE_SIGHAND        = 0x800
	CLONE_PIDFD          = 0x1000
	CLONE_PTRACE         = 0x2000
	CLONE_VFORK          = 0x4000
	CLONE_PARENT         = 0x8000
	CLONE_THREAD         = 0x10000
	CLONE_NEWNS          = 0x20000
	CLONE_SYSVSEM        = 0x40000
	CLONE_SETTLS         = 0x80000
	CLONE_PARENT_SETTID  = 0x100000
	CLONE_CHILD_CLEARTID = 0x200000
	CLONE_DETACHED       = 0x400000
	CLONE_UNTRACED       = 0x800000
	CLONE_CHILD_SETTID   = 0x1000000
	CLONE_NEWCGROUP      = 0x2000000
	CLONE_NEWUTS         = 0x4000000
	CLONE_NEWIPC         = 0x8000000
	CLONE_NEWUSER        = 0x10000000
	CLONE_NEWPID         = 0x20000000
	CLONE_NEWNET         = 0x40000000
	CLONE_IO             = 0x80000000

	// Only passable via clone3(2).
	CLONE_CLEAR_SIGHAND = 0x100000000
	CLONE_INTO_CGROUP   = 0x200000000

	// Sizeof first published struct.
	CLONE_ARGS_SIZE_VER0 = 64
	// Sizeof third published struct.
	CLONE_ARGS_SIZE_VER2 = 88
)

const (
	// UNNAMED_MAJOR is the major device number for "unnamed" devices, whose
	// minor numbers are dynamically allocated by the kernel.
	UNNAMED_MAJOR = 0

	// MEM_MAJOR is the major device number for "memory" character devices.
	MEM_MAJOR = 1

	// TTYAUX_MAJOR is the major device number for alternate TTY devices.
	TTYAUX_MAJOR = 5

	// MISC_MAJOR is the major device number for non-serial mice, misc feature
	// devices.
	MISC_MAJOR = 10

	// UNIX98_PTY_MASTER_MAJOR is the initial major device number for
	// Unix98 PTY masters.
	UNIX98_PTY_MASTER_MAJOR = 128

	// UNIX98_PTY_REPLICA_MAJOR is the initial major device number for
	// Unix98 PTY replicas.
	UNIX98_PTY_REPLICA_MAJOR = 136
)

const (
	// AT_NULL is the end of the auxiliary vector.
	AT_NULL = 0

	// AT_IGNORE should be ignored.
	AT_IGNORE = 1

	// AT_EXECFD is the file descriptor of the program.
	AT_EXECFD = 2

	// AT_PHDR points to the program headers.
	AT_PHDR = 3

	// AT_PHENT is the size of a program header entry.
	AT_PHENT = 4

	// AT_PHNUM is the number of program headers.
	AT_PHNUM = 5

	// AT_PAGESZ is the system page size.
	AT_PAGESZ = 6

	// AT_BASE is the base address of the interpreter.
	AT_BASE = 7

	// AT_FLAGS are flags.
	AT_FLAGS = 8

	// AT_ENTRY is the program entry point.
	AT_ENTRY = 9

	// AT_NOTELF indicates that the program is not an ELF binary.
	AT_NOTELF = 10

	// AT_UID is the real UID.
	AT_UID = 11

	// AT_EUID is the effective UID.
	AT_EUID = 12

	// AT_GID is the real GID.
	AT_GID = 13

	// AT_EGID is the effective GID.
	AT_EGID = 14

	// AT_PLATFORM is a string identifying the CPU.
	AT_PLATFORM = 15

	// AT_HWCAP are arch-dependent CPU capabilities.
	AT_HWCAP = 16

	// AT_CLKTCK is the frequency used by times(2).
	AT_CLKTCK = 17

	// AT_SECURE indicate secure mode.
	AT_SECURE = 23

	// AT_BASE_PLATFORM is a string identifying the "real" platform. It may
	// differ from AT_PLATFORM.
	AT_BASE_PLATFORM = 24

	// AT_RANDOM points to 16-bytes of random data.
	AT_RANDOM = 25

	// AT_HWCAP2 is an extension of AT_HWCAP.
	AT_HWCAP2 = 26

	// AT_EXECFN is the path used to execute the program.
	AT_EXECFN = 31

	// AT_SYSINFO_EHDR is the address of the VDSO.
	AT_SYSINFO_EHDR = 33
)

const (
	// NT_PRSTATUS is for general purpose register.
	NT_PRSTATUS = 0x1

	// NT_PRFPREG is for float point register.
	NT_PRFPREG = 0x2

	// NT_X86_XSTATE is for x86 extended state using xsave.
	NT_X86_XSTATE = 0x202

	// NT_ARM_TLS is for ARM TLS register.
	NT_ARM_TLS = 0x401
)

const (
	EPOLLIN     = 0x1
	EPOLLPRI    = 0x2
	EPOLLOUT    = 0x4
	EPOLLERR    = 0x8
	EPOLLHUP    = 0x10
	EPOLLRDNORM = 0x40
	EPOLLRDBAND = 0x80
	EPOLLWRNORM = 0x100
	EPOLLWRBAND = 0x200
	EPOLLMSG    = 0x400
	EPOLLRDHUP  = 0x2000
)

const (
	EPOLLEXCLUSIVE = 1 << 28
	EPOLLWAKEUP    = 1 << 29
	EPOLLONESHOT   = 1 << 30
	EPOLLET        = 1 << 31

	// EP_PRIVATE_BITS is fs/eventpoll.c:EP_PRIVATE_BITS, the set of all bits
	// in an epoll event mask that correspond to flags rather than I/O events.
	EP_PRIVATE_BITS = EPOLLEXCLUSIVE | EPOLLWAKEUP | EPOLLONESHOT | EPOLLET
)

const (
	EPOLL_CLOEXEC  = 0x80000
	EPOLL_NONBLOCK = 0x800
)

const (
	EPOLL_CTL_ADD = 0x1
	EPOLL_CTL_DEL = 0x2
	EPOLL_CTL_MOD = 0x3
)

const (
	SO_EE_ORIGIN_NONE  = 0
	SO_EE_ORIGIN_LOCAL = 1
	SO_EE_ORIGIN_ICMP  = 2
	SO_EE_ORIGIN_ICMP6 = 3
)

const (
	EFD_SEMAPHORE = 0x1
	EFD_CLOEXEC   = O_CLOEXEC
	EFD_NONBLOCK  = O_NONBLOCK
)

const (
	POSIX_FADV_NORMAL     = 0
	POSIX_FADV_RANDOM     = 1
	POSIX_FADV_SEQUENTIAL = 2
	POSIX_FADV_WILLNEED   = 3
	POSIX_FADV_DONTNEED   = 4
	POSIX_FADV_NOREUSE    = 5
)

const (
	F_DUPFD         = 0
	F_GETFD         = 1
	F_SETFD         = 2
	F_GETFL         = 3
	F_SETFL         = 4
	F_GETLK         = 5
	F_SETLK         = 6
	F_SETLKW        = 7
	F_SETOWN        = 8
	F_GETOWN        = 9
	F_SETSIG        = 10
	F_GETSIG        = 11
	F_SETOWN_EX     = 15
	F_GETOWN_EX     = 16
	F_OFD_GETLK     = 36
	F_OFD_SETLK     = 37
	F_OFD_SETLKW    = 38
	F_DUPFD_CLOEXEC = 1024 + 6
	F_SETPIPE_SZ    = 1024 + 7
	F_GETPIPE_SZ    = 1024 + 8
)

const (
	F_RDLCK = 0
	F_WRLCK = 1
	F_UNLCK = 2
)

const (
	F_OWNER_TID  = 0
	F_OWNER_PID  = 1
	F_OWNER_PGRP = 2
)

const (
	O_ACCMODE  = 000000003
	O_RDONLY   = 000000000
	O_WRONLY   = 000000001
	O_RDWR     = 000000002
	O_CREAT    = 000000100
	O_EXCL     = 000000200
	O_NOCTTY   = 000000400
	O_TRUNC    = 000001000
	O_APPEND   = 000002000
	O_NONBLOCK = 000004000
	O_DSYNC    = 000010000
	O_ASYNC    = 000020000
	O_NOATIME  = 001000000
	O_CLOEXEC  = 002000000
	O_SYNC     = 004000000 // __O_SYNC in Linux
	O_PATH     = 010000000
	O_TMPFILE  = 020000000 // __O_TMPFILE in Linux
)

const (
	MS_RDONLY      = 0x1
	MS_NOSUID      = 0x2
	MS_NODEV       = 0x4
	MS_NOEXEC      = 0x8
	MS_SYNCHRONOUS = 0x10
	MS_REMOUNT     = 0x20
	MS_MANDLOCK    = 0x40
	MS_DIRSYNC     = 0x80
	MS_NOATIME     = 0x400
	MS_NODIRATIME  = 0x800
	MS_BIND        = 0x1000
	MS_MOVE        = 0x2000
	MS_REC         = 0x4000

	MS_POSIXACL    = 0x10000
	MS_UNBINDABLE  = 0x20000
	MS_PRIVATE     = 0x40000
	MS_SLAVE       = 0x80000
	MS_SHARED      = 0x100000
	MS_RELATIME    = 0x200000
	MS_KERNMOUNT   = 0x400000
	MS_I_VERSION   = 0x800000
	MS_STRICTATIME = 0x1000000

	MS_MGC_VAL = 0xC0ED0000
	MS_MGC_MSK = 0xffff0000
)

const (
	MNT_FORCE       = 0x1
	MNT_DETACH      = 0x2
	MNT_EXPIRE      = 0x4
	UMOUNT_NOFOLLOW = 0x8
)

const (
	AT_SYMLINK_FOLLOW = 0x400
	AT_EMPTY_PATH     = 0x1000
)

const (
	UTIME_NOW  = ((1 << 30) - 1)
	UTIME_OMIT = ((1 << 30) - 2)
)

const (
	LOCK_SH = 1 // shared lock
	LOCK_EX = 2 // exclusive lock
	LOCK_NB = 4 // or'd with one of the above to prevent blocking
	LOCK_UN = 8 // remove lock
)

const (
	S_IFMT   = 0170000
	S_IFSOCK = 0140000
	S_IFLNK  = 0120000
	S_IFREG  = 0100000
	S_IFBLK  = 060000
	S_IFDIR  = 040000
	S_IFCHR  = 020000
	S_IFIFO  = 010000

	FileTypeMask        = S_IFMT
	ModeSocket          = S_IFSOCK
	ModeSymlink         = S_IFLNK
	ModeRegular         = S_IFREG
	ModeBlockDevice     = S_IFBLK
	ModeDirectory       = S_IFDIR
	ModeCharacterDevice = S_IFCHR
	ModeNamedPipe       = S_IFIFO

	S_ISUID = 04000
	S_ISGID = 02000
	S_ISVTX = 01000

	ModeSetUID = S_ISUID
	ModeSetGID = S_ISGID
	ModeSticky = S_ISVTX

	ModeUserAll     = 0700
	ModeUserRead    = 0400
	ModeUserWrite   = 0200
	ModeUserExec    = 0100
	ModeGroupAll    = 0070
	ModeGroupRead   = 0040
	ModeGroupWrite  = 0020
	ModeGroupExec   = 0010
	ModeOtherAll    = 0007
	ModeOtherRead   = 0004
	ModeOtherWrite  = 0002
	ModeOtherExec   = 0001
	PermissionsMask = 0777
)

const (
	DT_UNKNOWN = 0
	DT_FIFO    = 1
	DT_CHR     = 2
	DT_DIR     = 4
	DT_BLK     = 6
	DT_REG     = 8
	DT_LNK     = 10
	DT_SOCK    = 12
	DT_WHT     = 14
)

const (
	FT_UNKNOWN  = 0
	FT_REG_FILE = 1
	FT_DIR      = 2
	FT_CHRDEV   = 3
	FT_BLKDEV   = 4
	FT_FIFO     = 5
	FT_SOCK     = 6
	FT_SYMLINK  = 7
	FT_MAX      = 8
)

const (
	// NOTE(b/120162627): gVisor does not implement the RWF_HIPRI feature, but
	// the flag is accepted as a valid flag argument for preadv2/pwritev2 and
	// silently ignored.
	RWF_HIPRI = 0x00000001
	RWF_DSYNC = 0x00000002
	RWF_SYNC  = 0x00000004
	RWF_VALID = RWF_HIPRI | RWF_DSYNC | RWF_SYNC
)

const (
	AT_NO_AUTOMOUNT       = 0x800
	AT_STATX_SYNC_TYPE    = 0x6000
	AT_STATX_SYNC_AS_STAT = 0x0000
	AT_STATX_FORCE_SYNC   = 0x2000
	AT_STATX_DONT_SYNC    = 0x4000
)

const (
	STATX_TYPE        = 0x00000001
	STATX_MODE        = 0x00000002
	STATX_NLINK       = 0x00000004
	STATX_UID         = 0x00000008
	STATX_GID         = 0x00000010
	STATX_ATIME       = 0x00000020
	STATX_MTIME       = 0x00000040
	STATX_CTIME       = 0x00000080
	STATX_INO         = 0x00000100
	STATX_SIZE        = 0x00000200
	STATX_BLOCKS      = 0x00000400
	STATX_BASIC_STATS = 0x000007ff
	STATX_BTIME       = 0x00000800
	STATX_ALL         = 0x00000fff
	STATX__RESERVED   = 0x80000000
)

const (
	STATX_ATTR_COMPRESSED = 0x00000004
	STATX_ATTR_IMMUTABLE  = 0x00000010
	STATX_ATTR_APPEND     = 0x00000020
	STATX_ATTR_NODUMP     = 0x00000040
	STATX_ATTR_ENCRYPTED  = 0x00000800
	STATX_ATTR_AUTOMOUNT  = 0x00001000
)

const (
	MFD_CLOEXEC       = 0x0001
	MFD_ALLOW_SEALING = 0x0002
)

const (
	F_LINUX_SPECIFIC_BASE = 1024
	F_ADD_SEALS           = F_LINUX_SPECIFIC_BASE + 9
	F_GET_SEALS           = F_LINUX_SPECIFIC_BASE + 10

	F_SEAL_SEAL   = 0x0001 // Prevent further seals from being set.
	F_SEAL_SHRINK = 0x0002 // Prevent file from shrinking.
	F_SEAL_GROW   = 0x0004 // Prevent file from growing.
	F_SEAL_WRITE  = 0x0008 // Prevent writes.
)

const (
	FALLOC_FL_KEEP_SIZE      = 0x01
	FALLOC_FL_PUNCH_HOLE     = 0x02
	FALLOC_FL_NO_HIDE_STALE  = 0x04
	FALLOC_FL_COLLAPSE_RANGE = 0x08
	FALLOC_FL_ZERO_RANGE     = 0x10
	FALLOC_FL_INSERT_RANGE   = 0x20
	FALLOC_FL_UNSHARE_RANGE  = 0x40
)

const (
	CLOSE_RANGE_UNSHARE = uint32(1 << 1)
	CLOSE_RANGE_CLOEXEC = uint32(1 << 2)
)

const (
	O_DIRECT    = 000040000
	O_LARGEFILE = 000100000
	O_DIRECTORY = 000200000
	O_NOFOLLOW  = 000400000
)

const (
	ANON_INODE_FS_MAGIC   = 0x09041934
	CGROUP_SUPER_MAGIC    = 0x27e0eb
	DEVPTS_SUPER_MAGIC    = 0x00001cd1
	EXT_SUPER_MAGIC       = 0xef53
	FUSE_SUPER_MAGIC      = 0x65735546
	MQUEUE_MAGIC          = 0x19800202
	NSFS_MAGIC            = 0x6e736673
	OVERLAYFS_SUPER_MAGIC = 0x794c7630
	PIPEFS_MAGIC          = 0x50495045
	PROC_SUPER_MAGIC      = 0x9fa0
	RAMFS_MAGIC           = 0x09041934
	SOCKFS_MAGIC          = 0x534F434B
	SYSFS_MAGIC           = 0x62656572
	TMPFS_MAGIC           = 0x01021994
	V9FS_MAGIC            = 0x01021997
)

const (
	NAME_MAX = 255
	PATH_MAX = 4096
)

const (
	ST_RDONLY      = 0x0001
	ST_NOSUID      = 0x0002
	ST_NODEV       = 0x0004
	ST_NOEXEC      = 0x0008
	ST_SYNCHRONOUS = 0x0010
	ST_VALID       = 0x0020
	ST_MANDLOCK    = 0x0040
	ST_NOATIME     = 0x0400
	ST_NODIRATIME  = 0x0800
	ST_RELATIME    = 0x1000
	ST_NOSYMFOLLOW = 0x2000
)

const (
	SEEK_SET  = 0
	SEEK_CUR  = 1
	SEEK_END  = 2
	SEEK_DATA = 3
	SEEK_HOLE = 4
)

const (
	SYNC_FILE_RANGE_WAIT_BEFORE = 1
	SYNC_FILE_RANGE_WRITE       = 2
	SYNC_FILE_RANGE_WAIT_AFTER  = 4
)

const (
	RENAME_NOREPLACE = (1 << 0) // Don't overwrite target.
	RENAME_EXCHANGE  = (1 << 1) // Exchange src and dst.
	RENAME_WHITEOUT  = (1 << 2) // Whiteout src.
)

const (
	FUSE_LOOKUP   FUSEOpcode = 1
	FUSE_FORGET              = 2 /* no reply */
	FUSE_GETATTR             = 3
	FUSE_SETATTR             = 4
	FUSE_READLINK            = 5
	FUSE_SYMLINK             = 6

	FUSE_MKNOD   = 8
	FUSE_MKDIR   = 9
	FUSE_UNLINK  = 10
	FUSE_RMDIR   = 11
	FUSE_RENAME  = 12
	FUSE_LINK    = 13
	FUSE_OPEN    = 14
	FUSE_READ    = 15
	FUSE_WRITE   = 16
	FUSE_STATFS  = 17
	FUSE_RELEASE = 18

	FUSE_FSYNC        = 20
	FUSE_SETXATTR     = 21
	FUSE_GETXATTR     = 22
	FUSE_LISTXATTR    = 23
	FUSE_REMOVEXATTR  = 24
	FUSE_FLUSH        = 25
	FUSE_INIT         = 26
	FUSE_OPENDIR      = 27
	FUSE_READDIR      = 28
	FUSE_RELEASEDIR   = 29
	FUSE_FSYNCDIR     = 30
	FUSE_GETLK        = 31
	FUSE_SETLK        = 32
	FUSE_SETLKW       = 33
	FUSE_ACCESS       = 34
	FUSE_CREATE       = 35
	FUSE_INTERRUPT    = 36
	FUSE_BMAP         = 37
	FUSE_DESTROY      = 38
	FUSE_IOCTL        = 39
	FUSE_POLL         = 40
	FUSE_NOTIFY_REPLY = 41
	FUSE_BATCH_FORGET = 42
	FUSE_FALLOCATE    = 43
)

const (
	FUSE_ASYNC_READ       = 1 << 0
	FUSE_POSIX_LOCKS      = 1 << 1
	FUSE_FILE_OPS         = 1 << 2
	FUSE_ATOMIC_O_TRUNC   = 1 << 3
	FUSE_EXPORT_SUPPORT   = 1 << 4
	FUSE_BIG_WRITES       = 1 << 5
	FUSE_DONT_MASK        = 1 << 6
	FUSE_SPLICE_WRITE     = 1 << 7
	FUSE_SPLICE_MOVE      = 1 << 8
	FUSE_SPLICE_READ      = 1 << 9
	FUSE_FLOCK_LOCKS      = 1 << 10
	FUSE_HAS_IOCTL_DIR    = 1 << 11
	FUSE_AUTO_INVAL_DATA  = 1 << 12
	FUSE_DO_READDIRPLUS   = 1 << 13
	FUSE_READDIRPLUS_AUTO = 1 << 14
	FUSE_ASYNC_DIO        = 1 << 15
	FUSE_WRITEBACK_CACHE  = 1 << 16
	FUSE_NO_OPEN_SUPPORT  = 1 << 17
	FUSE_MAX_PAGES        = 1 << 22 // From FUSE 7.28
)

const (
	FUSE_KERNEL_VERSION       = 7
	FUSE_KERNEL_MINOR_VERSION = 31
)

const (
	FUSE_NAME_MAX     = 1024
	FUSE_PAGE_SIZE    = 4096
	FUSE_DIRENT_ALIGN = 8
)

const (
	// FOPEN_DIRECT_IO indicates bypassing page cache for this opened file.
	FOPEN_DIRECT_IO = 1 << 0
	// FOPEN_KEEP_CACHE avoids invalidating the data cache on open.
	FOPEN_KEEP_CACHE = 1 << 1
	// FOPEN_NONSEEKABLE indicates the file cannot be seeked.
	FOPEN_NONSEEKABLE = 1 << 2
)

const (
	FATTR_MODE      = (1 << 0)
	FATTR_UID       = (1 << 1)
	FATTR_GID       = (1 << 2)
	FATTR_SIZE      = (1 << 3)
	FATTR_ATIME     = (1 << 4)
	FATTR_MTIME     = (1 << 5)
	FATTR_FH        = (1 << 6)
	FATTR_ATIME_NOW = (1 << 7)
	FATTR_MTIME_NOW = (1 << 8)
	FATTR_LOCKOWNER = (1 << 9)
	FATTR_CTIME     = (1 << 10)
)

const (
	FUTEX_WAIT            = 0
	FUTEX_WAKE            = 1
	FUTEX_FD              = 2
	FUTEX_REQUEUE         = 3
	FUTEX_CMP_REQUEUE     = 4
	FUTEX_WAKE_OP         = 5
	FUTEX_LOCK_PI         = 6
	FUTEX_UNLOCK_PI       = 7
	FUTEX_TRYLOCK_PI      = 8
	FUTEX_WAIT_BITSET     = 9
	FUTEX_WAKE_BITSET     = 10
	FUTEX_WAIT_REQUEUE_PI = 11
	FUTEX_CMP_REQUEUE_PI  = 12

	FUTEX_PRIVATE_FLAG   = 128
	FUTEX_CLOCK_REALTIME = 256
)

const (
	FUTEX_OP_SET         = 0
	FUTEX_OP_ADD         = 1
	FUTEX_OP_OR          = 2
	FUTEX_OP_ANDN        = 3
	FUTEX_OP_XOR         = 4
	FUTEX_OP_OPARG_SHIFT = 8
	FUTEX_OP_CMP_EQ      = 0
	FUTEX_OP_CMP_NE      = 1
	FUTEX_OP_CMP_LT      = 2
	FUTEX_OP_CMP_LE      = 3
	FUTEX_OP_CMP_GT      = 4
	FUTEX_OP_CMP_GE      = 5
)

const (
	FUTEX_WAITERS    = 0x80000000
	FUTEX_OWNER_DIED = 0x40000000
)

const (
	// IN_ACCESS indicates a file was accessed.
	IN_ACCESS = 0x00000001
	// IN_MODIFY indicates a file was modified.
	IN_MODIFY = 0x00000002
	// IN_ATTRIB indicates a watch target's metadata changed.
	IN_ATTRIB = 0x00000004
	// IN_CLOSE_WRITE indicates a writable file was closed.
	IN_CLOSE_WRITE = 0x00000008
	// IN_CLOSE_NOWRITE indicates a non-writable file was closed.
	IN_CLOSE_NOWRITE = 0x00000010
	// IN_OPEN indicates a file was opened.
	IN_OPEN = 0x00000020
	// IN_MOVED_FROM indicates a file was moved from X.
	IN_MOVED_FROM = 0x00000040
	// IN_MOVED_TO indicates a file was moved to Y.
	IN_MOVED_TO = 0x00000080
	// IN_CREATE indicates a file was created in a watched directory.
	IN_CREATE = 0x00000100
	// IN_DELETE indicates a file was deleted in a watched directory.
	IN_DELETE = 0x00000200
	// IN_DELETE_SELF indicates a watch target itself was deleted.
	IN_DELETE_SELF = 0x00000400
	// IN_MOVE_SELF indicates a watch target itself was moved.
	IN_MOVE_SELF = 0x00000800
	// IN_ALL_EVENTS is a mask for all observable userspace events.
	IN_ALL_EVENTS = 0x00000fff
)

const (
	// IN_UNMOUNT indicates the backing filesystem was unmounted.
	IN_UNMOUNT = 0x00002000
	// IN_Q_OVERFLOW indicates the event queued overflowed.
	IN_Q_OVERFLOW = 0x00004000
	// IN_IGNORED indicates a watch was removed, either implicitly or through
	// inotify_rm_watch(2).
	IN_IGNORED = 0x00008000
	// IN_ISDIR indicates the subject of an event was a directory.
	IN_ISDIR = 0x40000000
)

const (
	// IN_ONLYDIR indicates that a path should be watched only if it's a
	// directory.
	IN_ONLYDIR = 0x01000000
	// IN_DONT_FOLLOW indicates that the watch path shouldn't be resolved if
	// it's a symlink.
	IN_DONT_FOLLOW = 0x02000000
	// IN_EXCL_UNLINK indicates events to this watch from unlinked objects
	// should be filtered out.
	IN_EXCL_UNLINK = 0x04000000
	// IN_MASK_ADD indicates the provided mask should be ORed into any existing
	// watch on the provided path.
	IN_MASK_ADD = 0x20000000
	// IN_ONESHOT indicates the watch should be removed after one event.
	IN_ONESHOT = 0x80000000
)

const (
	// IN_CLOEXEC is an alias for O_CLOEXEC. It indicates that the inotify
	// fd should be closed on exec(2) and friends.
	IN_CLOEXEC = 0x00080000
	// IN_NONBLOCK is an alias for O_NONBLOCK. It indicates I/O syscall on the
	// inotify fd should not block.
	IN_NONBLOCK = 0x00000800
)

const (
	TCGETS      = 0x00005401
	TCSETS      = 0x00005402
	TCSETSW     = 0x00005403
	TCSETSF     = 0x00005404
	TCSBRK      = 0x00005409
	TIOCEXCL    = 0x0000540c
	TIOCNXCL    = 0x0000540d
	TIOCSCTTY   = 0x0000540e
	TIOCGPGRP   = 0x0000540f
	TIOCSPGRP   = 0x00005410
	TIOCOUTQ    = 0x00005411
	TIOCSTI     = 0x00005412
	TIOCGWINSZ  = 0x00005413
	TIOCSWINSZ  = 0x00005414
	TIOCMGET    = 0x00005415
	TIOCMBIS    = 0x00005416
	TIOCMBIC    = 0x00005417
	TIOCMSET    = 0x00005418
	TIOCINQ     = 0x0000541b
	FIONREAD    = TIOCINQ
	FIONBIO     = 0x00005421
	TIOCSETD    = 0x00005423
	TIOCNOTTY   = 0x00005422
	TIOCGETD    = 0x00005424
	TCSBRKP     = 0x00005425
	TIOCSBRK    = 0x00005427
	TIOCCBRK    = 0x00005428
	TIOCGSID    = 0x00005429
	TIOCGPTN    = 0x80045430
	TIOCSPTLCK  = 0x40045431
	TIOCGDEV    = 0x80045432
	TIOCVHANGUP = 0x00005437
	TCFLSH      = 0x0000540b
	TIOCCONS    = 0x0000541d
	TIOCSSERIAL = 0x0000541f
	TIOCGEXCL   = 0x80045440
	TIOCGPTPEER = 0x80045441
	TIOCGICOUNT = 0x0000545d
	FIONCLEX    = 0x00005450
	FIOCLEX     = 0x00005451
	FIOASYNC    = 0x00005452
	FIOSETOWN   = 0x00008901
	SIOCSPGRP   = 0x00008902
	FIOGETOWN   = 0x00008903
	SIOCGPGRP   = 0x00008904
)

const (
	SIOCGIFNAME    = 0x8910
	SIOCGIFCONF    = 0x8912
	SIOCGIFFLAGS   = 0x8913
	SIOCGIFADDR    = 0x8915
	SIOCGIFDSTADDR = 0x8917
	SIOCGIFBRDADDR = 0x8919
	SIOCGIFNETMASK = 0x891b
	SIOCGIFMETRIC  = 0x891d
	SIOCGIFMTU     = 0x8921
	SIOCGIFMEM     = 0x891f
	SIOCGIFHWADDR  = 0x8927
	SIOCGIFINDEX   = 0x8933
	SIOCGIFPFLAGS  = 0x8935
	SIOCGIFTXQLEN  = 0x8942
	SIOCETHTOOL    = 0x8946
	SIOCGMIIPHY    = 0x8947
	SIOCGMIIREG    = 0x8948
	SIOCGIFMAP     = 0x8970
)

const (
	IOC_NONE  = 0
	IOC_WRITE = 1
	IOC_READ  = 2
)

const (
	IOC_NRBITS   = 8
	IOC_TYPEBITS = 8
	IOC_SIZEBITS = 14
	IOC_DIRBITS  = 2

	IOC_NRSHIFT   = 0
	IOC_TYPESHIFT = IOC_NRSHIFT + IOC_NRBITS
	IOC_SIZESHIFT = IOC_TYPESHIFT + IOC_TYPEBITS
	IOC_DIRSHIFT  = IOC_SIZESHIFT + IOC_SIZEBITS
)

const (
	KCOV_TRACE_PC  = 0
	KCOV_TRACE_CMP = 1
)

const (
	KCOV_MODE_DISABLED  = 0
	KCOV_MODE_INIT      = 1
	KCOV_MODE_TRACE_PC  = 2
	KCOV_MODE_TRACE_CMP = 3
)

const (
	IFF_TUN      = 0x0001
	IFF_TAP      = 0x0002
	IFF_NO_PI    = 0x1000
	IFF_NOFILTER = 0x1000

	// According to linux/if_tun.h "This flag has no real effect"
	IFF_ONE_QUEUE = 0x2000
)

const (
	IORING_SETUP_IOPOLL     = (1 << 0)
	IORING_SETUP_SQPOLL     = (1 << 1)
	IORING_SETUP_SQ_AFF     = (1 << 2)
	IORING_SETUP_CQSIZE     = (1 << 3)
	IORING_SETUP_CLAMP      = (1 << 4)
	IORING_SETUP_ATTACH_WQ  = (1 << 5)
	IORING_SETUP_R_DISABLED = (1 << 6)
	IORING_SETUP_SUBMIT_ALL = (1 << 7)
)

const (
	IORING_SETUP_COOP_TASKRUN = (1 << 8)
	IORING_SETUP_TASKRUN_FLAG = (1 << 9)
	IORING_SETUP_SQE128       = (1 << 10)
	IORING_SETUP_CQE32        = (1 << 11)
)

const (
	IORING_MAX_ENTRIES    = (1 << 15) // 32768
	IORING_MAX_CQ_ENTRIES = (2 * IORING_MAX_ENTRIES)
)

const (
	IORING_OFF_SQ_RING = 0
	IORING_OFF_CQ_RING = 0x8000000
	IORING_OFF_SQES    = 0x10000000
)

const (
	IORING_OP_NOP   = 0
	IORING_OP_READV = 1
)

const (
	IPPROTO_IP      = 0
	IPPROTO_ICMP    = 1
	IPPROTO_IGMP    = 2
	IPPROTO_IPIP    = 4
	IPPROTO_TCP     = 6
	IPPROTO_EGP     = 8
	IPPROTO_PUP     = 12
	IPPROTO_UDP     = 17
	IPPROTO_IDP     = 22
	IPPROTO_TP      = 29
	IPPROTO_DCCP    = 33
	IPPROTO_IPV6    = 41
	IPPROTO_RSVP    = 46
	IPPROTO_GRE     = 47
	IPPROTO_ESP     = 50
	IPPROTO_AH      = 51
	IPPROTO_ICMPV6  = 58
	IPPROTO_MTP     = 92
	IPPROTO_BEETPH  = 94
	IPPROTO_ENCAP   = 98
	IPPROTO_PIM     = 103
	IPPROTO_COMP    = 108
	IPPROTO_SCTP    = 132
	IPPROTO_UDPLITE = 136
	IPPROTO_MPLS    = 137
	IPPROTO_RAW     = 255
)

const (
	IP_TOS                    = 1
	IP_TTL                    = 2
	IP_HDRINCL                = 3
	IP_OPTIONS                = 4
	IP_ROUTER_ALERT           = 5
	IP_RECVOPTS               = 6
	IP_RETOPTS                = 7
	IP_PKTINFO                = 8
	IP_PKTOPTIONS             = 9
	IP_MTU_DISCOVER           = 10
	IP_RECVERR                = 11
	IP_RECVTTL                = 12
	IP_RECVTOS                = 13
	IP_MTU                    = 14
	IP_FREEBIND               = 15
	IP_IPSEC_POLICY           = 16
	IP_XFRM_POLICY            = 17
	IP_PASSSEC                = 18
	IP_TRANSPARENT            = 19
	IP_ORIGDSTADDR            = 20
	IP_RECVORIGDSTADDR        = IP_ORIGDSTADDR
	IP_MINTTL                 = 21
	IP_NODEFRAG               = 22
	IP_CHECKSUM               = 23
	IP_BIND_ADDRESS_NO_PORT   = 24
	IP_RECVFRAGSIZE           = 25
	IP_MULTICAST_IF           = 32
	IP_MULTICAST_TTL          = 33
	IP_MULTICAST_LOOP         = 34
	IP_ADD_MEMBERSHIP         = 35
	IP_DROP_MEMBERSHIP        = 36
	IP_UNBLOCK_SOURCE         = 37
	IP_BLOCK_SOURCE           = 38
	IP_ADD_SOURCE_MEMBERSHIP  = 39
	IP_DROP_SOURCE_MEMBERSHIP = 40
	IP_MSFILTER               = 41
	MCAST_JOIN_GROUP          = 42
	MCAST_BLOCK_SOURCE        = 43
	MCAST_UNBLOCK_SOURCE      = 44
	MCAST_LEAVE_GROUP         = 45
	MCAST_JOIN_SOURCE_GROUP   = 46
	MCAST_LEAVE_SOURCE_GROUP  = 47
	MCAST_MSFILTER            = 48
	IP_MULTICAST_ALL          = 49
	IP_UNICAST_IF             = 50
)

const (
	IP_PMTUDISC_DONT      = 0
	IP_PMTUDISC_WANT      = 1
	IP_PMTUDISC_DO        = 2
	IP_PMTUDISC_PROBE     = 3
	IP_PMTUDISC_INTERFACE = 4
	IP_PMTUDISC_OMIT      = 5
)

const (
	IPV6_ADDRFORM         = 1
	IPV6_2292PKTINFO      = 2
	IPV6_2292HOPOPTS      = 3
	IPV6_2292DSTOPTS      = 4
	IPV6_2292RTHDR        = 5
	IPV6_2292PKTOPTIONS   = 6
	IPV6_CHECKSUM         = 7
	IPV6_2292HOPLIMIT     = 8
	IPV6_NEXTHOP          = 9
	IPV6_FLOWINFO         = 11
	IPV6_UNICAST_HOPS     = 16
	IPV6_MULTICAST_IF     = 17
	IPV6_MULTICAST_HOPS   = 18
	IPV6_MULTICAST_LOOP   = 19
	IPV6_ADD_MEMBERSHIP   = 20
	IPV6_DROP_MEMBERSHIP  = 21
	IPV6_ROUTER_ALERT     = 22
	IPV6_MTU_DISCOVER     = 23
	IPV6_MTU              = 24
	IPV6_RECVERR          = 25
	IPV6_V6ONLY           = 26
	IPV6_JOIN_ANYCAST     = 27
	IPV6_LEAVE_ANYCAST    = 28
	IPV6_MULTICAST_ALL    = 29
	IPV6_FLOWLABEL_MGR    = 32
	IPV6_FLOWINFO_SEND    = 33
	IPV6_IPSEC_POLICY     = 34
	IPV6_XFRM_POLICY      = 35
	IPV6_HDRINCL          = 36
	IPV6_RECVPKTINFO      = 49
	IPV6_PKTINFO          = 50
	IPV6_RECVHOPLIMIT     = 51
	IPV6_HOPLIMIT         = 52
	IPV6_RECVHOPOPTS      = 53
	IPV6_HOPOPTS          = 54
	IPV6_RTHDRDSTOPTS     = 55
	IPV6_RECVRTHDR        = 56
	IPV6_RTHDR            = 57
	IPV6_RECVDSTOPTS      = 58
	IPV6_DSTOPTS          = 59
	IPV6_RECVPATHMTU      = 60
	IPV6_PATHMTU          = 61
	IPV6_DONTFRAG         = 62
	IPV6_RECVTCLASS       = 66
	IPV6_TCLASS           = 67
	IPV6_AUTOFLOWLABEL    = 70
	IPV6_ADDR_PREFERENCES = 72
	IPV6_MINHOPCOUNT      = 73
	IPV6_ORIGDSTADDR      = 74
	IPV6_RECVORIGDSTADDR  = IPV6_ORIGDSTADDR
	IPV6_TRANSPARENT      = 75
	IPV6_UNICAST_IF       = 76
	IPV6_RECVFRAGSIZE     = 77
	IPV6_FREEBIND         = 78
)

const (
	IPC_RMID = 0
	IPC_SET  = 1
	IPC_STAT = 2
	IPC_INFO = 3
)

const (
	IPC_CREAT  = 00001000
	IPC_EXCL   = 00002000
	IPC_NOWAIT = 00004000
)

const (
	KEYCTL_GET_KEYRING_ID       = 0
	KEYCTL_JOIN_SESSION_KEYRING = 1
	KEYCTL_SETPERM              = 5
	KEYCTL_DESCRIBE             = 6
)

const (
	RLIMIT_CPU        = 0
	RLIMIT_FSIZE      = 1
	RLIMIT_DATA       = 2
	RLIMIT_STACK      = 3
	RLIMIT_CORE       = 4
	RLIMIT_RSS        = 5
	RLIMIT_NPROC      = 6
	RLIMIT_NOFILE     = 7
	RLIMIT_MEMLOCK    = 8
	RLIMIT_AS         = 9
	RLIMIT_LOCKS      = 10
	RLIMIT_SIGPENDING = 11
	RLIMIT_MSGQUEUE   = 12
	RLIMIT_NICE       = 13
	RLIMIT_RTPRIO     = 14
	RLIMIT_RTTIME     = 15
)

const (
	// RLimInfinity is RLIM_INFINITY on Linux.
	RLimInfinity = ^uint64(0)

	// DefaultStackSoftLimit is called _STK_LIM in Linux.
	DefaultStackSoftLimit = 8 * 1024 * 1024

	// DefaultNprocLimit is defined in kernel/fork.c:set_max_threads, and
	// called MAX_THREADS / 2 in Linux.
	DefaultNprocLimit = FUTEX_TID_MASK / 2

	// DefaultNofileSoftLimit is called INR_OPEN_CUR in Linux.
	DefaultNofileSoftLimit = 1024

	// DefaultNofileHardLimit is called INR_OPEN_MAX in Linux.
	DefaultNofileHardLimit = 4096

	// DefaultMemlockLimit is called MLOCK_LIMIT in Linux.
	DefaultMemlockLimit = 64 * 1024

	// DefaultMsgqueueLimit is called MQ_BYTES_MAX in Linux.
	DefaultMsgqueueLimit = 819200
)

const (
	MEMBARRIER_CMD_QUERY                                = 0
	MEMBARRIER_CMD_GLOBAL                               = (1 << 0)
	MEMBARRIER_CMD_GLOBAL_EXPEDITED                     = (1 << 1)
	MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED            = (1 << 2)
	MEMBARRIER_CMD_PRIVATE_EXPEDITED                    = (1 << 3)
	MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED           = (1 << 4)
	MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE          = (1 << 5)
	MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 6)
	MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ               = (1 << 7)
	MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ      = (1 << 8)
)

const (
	PROT_NONE      = 0
	PROT_READ      = 1 << 0
	PROT_WRITE     = 1 << 1
	PROT_EXEC      = 1 << 2
	PROT_SEM       = 1 << 3
	PROT_GROWSDOWN = 1 << 24
	PROT_GROWSUP   = 1 << 25
)

const (
	MAP_SHARED     = 1 << 0
	MAP_PRIVATE    = 1 << 1
	MAP_FIXED      = 1 << 4
	MAP_ANONYMOUS  = 1 << 5
	MAP_32BIT      = 1 << 6 // arch/x86/include/uapi/asm/mman.h
	MAP_GROWSDOWN  = 1 << 8
	MAP_DENYWRITE  = 1 << 11
	MAP_EXECUTABLE = 1 << 12
	MAP_LOCKED     = 1 << 13
	MAP_NORESERVE  = 1 << 14
	MAP_POPULATE   = 1 << 15
	MAP_NONBLOCK   = 1 << 16
	MAP_STACK      = 1 << 17
	MAP_HUGETLB    = 1 << 18
)

const (
	MREMAP_MAYMOVE = 1 << 0
	MREMAP_FIXED   = 1 << 1
)

const (
	MCL_CURRENT = 1
	MCL_FUTURE  = 2
	MCL_ONFAULT = 4
)

const (
	MADV_NORMAL       = 0
	MADV_RANDOM       = 1
	MADV_SEQUENTIAL   = 2
	MADV_WILLNEED     = 3
	MADV_DONTNEED     = 4
	MADV_REMOVE       = 9
	MADV_DONTFORK     = 10
	MADV_DOFORK       = 11
	MADV_MERGEABLE    = 12
	MADV_UNMERGEABLE  = 13
	MADV_HUGEPAGE     = 14
	MADV_NOHUGEPAGE   = 15
	MADV_DONTDUMP     = 16
	MADV_DODUMP       = 17
	MADV_HWPOISON     = 100
	MADV_SOFT_OFFLINE = 101
	MADV_NOMAJFAULT   = 200
	MADV_DONTCHGME    = 201
)

const (
	MS_ASYNC      = 1 << 0
	MS_INVALIDATE = 1 << 1
	MS_SYNC       = 1 << 2
)

const (
	MPOL_F_NODE         = 1 << 0
	MPOL_F_ADDR         = 1 << 1
	MPOL_F_MEMS_ALLOWED = 1 << 2
)

const (
	MPOL_F_RELATIVE_NODES = 1 << 14
	MPOL_F_STATIC_NODES   = 1 << 15

	MPOL_MODE_FLAGS = (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES)
)

const (
	MPOL_MF_STRICT   = 1 << 0
	MPOL_MF_MOVE     = 1 << 1
	MPOL_MF_MOVE_ALL = 1 << 2

	MPOL_MF_VALID = MPOL_MF_STRICT | MPOL_MF_MOVE | MPOL_MF_MOVE_ALL
)

const (
	DFLT_QUEUESMAX       = 256
	MIN_MSGMAX           = 1
	DFLT_MSG        uint = 10
	DFLT_MSGMAX          = 10
	HARD_MSGMAX          = 65536
	MIN_MSGSIZEMAX       = 128
	DFLT_MSGSIZE    uint = 8192
	DFLT_MSGSIZEMAX      = 8192
	HARD_MSGSIZEMAX      = (16 * 1024 * 1024)
)

const (
	MQ_PRIO_MAX  = 32768
	MQ_BYTES_MAX = 819200
)

const (
	NOTIFY_NONE    = 0
	NOTIFY_WOKENUP = 1
	NOTIFY_REMOVED = 2

	NOTIFY_COOKIE_LEN = 32
)

const (
	MSG_STAT     = 11
	MSG_INFO     = 12
	MSG_STAT_ANY = 13
)

const (
	MSG_NOERROR = 010000 // No error if message is too big.
	MSG_EXCEPT  = 020000 // Receive any message except of specified type.
	MSG_COPY    = 040000 // Copy (not remove) all queue messages.
)

const (
	MSGMNI = 32000 // Maximum number of message queue identifiers.
	MSGMAX = 8192  // Maximum size of message (bytes).
	MSGMNB = 16384 // Default max size of a message queue.
)

const (
	MSGPOOL = (MSGMNI * MSGMNB / 1024)
	MSGTQL  = MSGMNB
	MSGMAP  = MSGMNB
	MSGSSZ  = 16

	// MSGSEG is simplified due to the inexistance of a ternary operator.
	MSGSEG = 0xffff
)

const (
	NF_INET_PRE_ROUTING  = 0
	NF_INET_LOCAL_IN     = 1
	NF_INET_FORWARD      = 2
	NF_INET_LOCAL_OUT    = 3
	NF_INET_POST_ROUTING = 4
	NF_INET_NUMHOOKS     = 5
)

const (
	NF_DROP        = 0
	NF_ACCEPT      = 1
	NF_STOLEN      = 2
	NF_QUEUE       = 3
	NF_REPEAT      = 4
	NF_STOP        = 5
	NF_MAX_VERDICT = NF_STOP
	// NF_RETURN is defined in include/uapi/linux/netfilter/x_tables.h.
	NF_RETURN = -NF_REPEAT - 1
)

const (
	IPT_BASE_CTL            = 64
	IPT_SO_SET_REPLACE      = IPT_BASE_CTL
	IPT_SO_SET_ADD_COUNTERS = IPT_BASE_CTL + 1
	IPT_SO_SET_MAX          = IPT_SO_SET_ADD_COUNTERS

	IPT_SO_GET_INFO            = IPT_BASE_CTL
	IPT_SO_GET_ENTRIES         = IPT_BASE_CTL + 1
	IPT_SO_GET_REVISION_MATCH  = IPT_BASE_CTL + 2
	IPT_SO_GET_REVISION_TARGET = IPT_BASE_CTL + 3
	IPT_SO_GET_MAX             = IPT_SO_GET_REVISION_TARGET
)

const (
	XT_FUNCTION_MAXNAMELEN  = 30
	XT_EXTENSION_MAXNAMELEN = 29
	XT_TABLE_MAXNAMELEN     = 32
)

const (
	// Invert the meaning of InputInterface.
	IPT_INV_VIA_IN = 0x01
	// Invert the meaning of OutputInterface.
	IPT_INV_VIA_OUT = 0x02
	// Unclear what this is, as no references to it exist in the kernel.
	IPT_INV_TOS = 0x04
	// Invert the meaning of Src.
	IPT_INV_SRCIP = 0x08
	// Invert the meaning of Dst.
	IPT_INV_DSTIP = 0x10
	// Invert the meaning of the IPT_F_FRAG flag.
	IPT_INV_FRAG = 0x20
	// Invert the meaning of the Protocol field.
	IPT_INV_PROTO = 0x40
	// Enable all flags.
	IPT_INV_MASK = 0x7F
)

const (
	NF_NAT_RANGE_MAP_IPS            = 1 << 0
	NF_NAT_RANGE_PROTO_SPECIFIED    = 1 << 1
	NF_NAT_RANGE_PROTO_RANDOM       = 1 << 2
	NF_NAT_RANGE_PERSISTENT         = 1 << 3
	NF_NAT_RANGE_PROTO_RANDOM_FULLY = 1 << 4
	NF_NAT_RANGE_PROTO_RANDOM_ALL   = (NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY)
	NF_NAT_RANGE_MASK               = (NF_NAT_RANGE_MAP_IPS |
		NF_NAT_RANGE_PROTO_SPECIFIED | NF_NAT_RANGE_PROTO_RANDOM |
		NF_NAT_RANGE_PERSISTENT | NF_NAT_RANGE_PROTO_RANDOM_FULLY)
)

const (
	// Invert the meaning of SourcePortStart/End.
	XT_TCP_INV_SRCPT = 0x01
	// Invert the meaning of DestinationPortStart/End.
	XT_TCP_INV_DSTPT = 0x02
	// Invert the meaning of FlagCompare.
	XT_TCP_INV_FLAGS = 0x04
	// Invert the meaning of Option.
	XT_TCP_INV_OPTION = 0x08
	// Enable all flags.
	XT_TCP_INV_MASK = 0x0F
)

const (
	// Invert the meaning of SourcePortStart/End.
	XT_UDP_INV_SRCPT = 0x01
	// Invert the meaning of DestinationPortStart/End.
	XT_UDP_INV_DSTPT = 0x02
	// Enable all flags.
	XT_UDP_INV_MASK = 0x03
)

const (
	// Match the UID of the packet.
	XT_OWNER_UID = 1 << 0
	// Match the GID of the packet.
	XT_OWNER_GID = 1 << 1
	// Match if the socket exists for the packet. Forwarded
	// packets do not have an associated socket.
	XT_OWNER_SOCKET = 1 << 2
)

const (
	IP6T_BASE_CTL            = 64
	IP6T_SO_SET_REPLACE      = IPT_BASE_CTL
	IP6T_SO_SET_ADD_COUNTERS = IPT_BASE_CTL + 1
	IP6T_SO_SET_MAX          = IPT_SO_SET_ADD_COUNTERS

	IP6T_SO_GET_INFO            = IPT_BASE_CTL
	IP6T_SO_GET_ENTRIES         = IPT_BASE_CTL + 1
	IP6T_SO_GET_REVISION_MATCH  = IPT_BASE_CTL + 4
	IP6T_SO_GET_REVISION_TARGET = IPT_BASE_CTL + 5
	IP6T_SO_GET_MAX             = IP6T_SO_GET_REVISION_TARGET
)

const (
	// Whether to check the Protocol field.
	IP6T_F_PROTO = 0x01
	// Whether to match the TOS field.
	IP6T_F_TOS = 0x02
	// Indicates that the jump target is an absolute GOTO, not an offset.
	IP6T_F_GOTO = 0x04
	// Enables all flags.
	IP6T_F_MASK = 0x07
)

const (
	// Invert the meaning of InputInterface.
	IP6T_INV_VIA_IN = 0x01
	// Invert the meaning of OutputInterface.
	IP6T_INV_VIA_OUT = 0x02
	// Invert the meaning of TOS.
	IP6T_INV_TOS = 0x04
	// Invert the meaning of Src.
	IP6T_INV_SRCIP = 0x08
	// Invert the meaning of Dst.
	IP6T_INV_DSTIP = 0x10
	// Invert the meaning of the IPT_F_FRAG flag.
	IP6T_INV_FRAG = 0x20
	// Enable all flags.
	IP6T_INV_MASK = 0x7F
)

const (
	NETLINK_ROUTE          = 0
	NETLINK_UNUSED         = 1
	NETLINK_USERSOCK       = 2
	NETLINK_FIREWALL       = 3
	NETLINK_SOCK_DIAG      = 4
	NETLINK_NFLOG          = 5
	NETLINK_XFRM           = 6
	NETLINK_SELINUX        = 7
	NETLINK_ISCSI          = 8
	NETLINK_AUDIT          = 9
	NETLINK_FIB_LOOKUP     = 10
	NETLINK_CONNECTOR      = 11
	NETLINK_NETFILTER      = 12
	NETLINK_IP6_FW         = 13
	NETLINK_DNRTMSG        = 14
	NETLINK_KOBJECT_UEVENT = 15
	NETLINK_GENERIC        = 16
	NETLINK_SCSITRANSPORT  = 18
	NETLINK_ECRYPTFS       = 19
	NETLINK_RDMA           = 20
	NETLINK_CRYPTO         = 21
)

const (
	NLM_F_REQUEST   = 0x1
	NLM_F_MULTI     = 0x2
	NLM_F_ACK       = 0x4
	NLM_F_ECHO      = 0x8
	NLM_F_DUMP_INTR = 0x10
	NLM_F_ROOT      = 0x100
	NLM_F_MATCH     = 0x200
	NLM_F_ATOMIC    = 0x400
	NLM_F_DUMP      = NLM_F_ROOT | NLM_F_MATCH
	NLM_F_REPLACE   = 0x100
	NLM_F_EXCL      = 0x200
	NLM_F_CREATE    = 0x400
	NLM_F_APPEND    = 0x800
)

const (
	NLMSG_NOOP    = 0x1
	NLMSG_ERROR   = 0x2
	NLMSG_DONE    = 0x3
	NLMSG_OVERRUN = 0x4

	// NLMSG_MIN_TYPE is the first value for protocol-level types.
	NLMSG_MIN_TYPE = 0x10
)

const (
	NETLINK_ADD_MEMBERSHIP   = 1
	NETLINK_DROP_MEMBERSHIP  = 2
	NETLINK_PKTINFO          = 3
	NETLINK_BROADCAST_ERROR  = 4
	NETLINK_NO_ENOBUFS       = 5
	NETLINK_LISTEN_ALL_NSID  = 8
	NETLINK_LIST_MEMBERSHIPS = 9
	NETLINK_CAP_ACK          = 10
	NETLINK_EXT_ACK          = 11
	NETLINK_DUMP_STRICT_CHK  = 12
)

const (
	RTM_NEWLINK = 16
	RTM_DELLINK = 17
	RTM_GETLINK = 18
	RTM_SETLINK = 19

	RTM_NEWADDR = 20
	RTM_DELADDR = 21
	RTM_GETADDR = 22

	RTM_NEWROUTE = 24
	RTM_DELROUTE = 25
	RTM_GETROUTE = 26

	RTM_NEWNEIGH = 28
	RTM_DELNEIGH = 29
	RTM_GETNEIGH = 30

	RTM_NEWRULE = 32
	RTM_DELRULE = 33
	RTM_GETRULE = 34

	RTM_NEWQDISC = 36
	RTM_DELQDISC = 37
	RTM_GETQDISC = 38

	RTM_NEWTCLASS = 40
	RTM_DELTCLASS = 41
	RTM_GETTCLASS = 42

	RTM_NEWTFILTER = 44
	RTM_DELTFILTER = 45
	RTM_GETTFILTER = 46

	RTM_NEWACTION = 48
	RTM_DELACTION = 49
	RTM_GETACTION = 50

	RTM_NEWPREFIX = 52

	RTM_GETMULTICAST = 58

	RTM_GETANYCAST = 62

	RTM_NEWNEIGHTBL = 64
	RTM_GETNEIGHTBL = 66
	RTM_SETNEIGHTBL = 67

	RTM_NEWNDUSEROPT = 68

	RTM_NEWADDRLABEL = 72
	RTM_DELADDRLABEL = 73
	RTM_GETADDRLABEL = 74

	RTM_GETDCB = 78
	RTM_SETDCB = 79

	RTM_NEWNETCONF = 80
	RTM_GETNETCONF = 82

	RTM_NEWMDB = 84
	RTM_DELMDB = 85
	RTM_GETMDB = 86

	RTM_NEWNSID = 88
	RTM_DELNSID = 89
	RTM_GETNSID = 90
)

const (
	IFF_UP          = 1 << 0
	IFF_BROADCAST   = 1 << 1
	IFF_DEBUG       = 1 << 2
	IFF_LOOPBACK    = 1 << 3
	IFF_POINTOPOINT = 1 << 4
	IFF_NOTRAILERS  = 1 << 5
	IFF_RUNNING     = 1 << 6
	IFF_NOARP       = 1 << 7
	IFF_PROMISC     = 1 << 8
	IFF_ALLMULTI    = 1 << 9
	IFF_MASTER      = 1 << 10
	IFF_SLAVE       = 1 << 11
	IFF_MULTICAST   = 1 << 12
	IFF_PORTSEL     = 1 << 13
	IFF_AUTOMEDIA   = 1 << 14
	IFF_DYNAMIC     = 1 << 15
	IFF_LOWER_UP    = 1 << 16
	IFF_DORMANT     = 1 << 17
	IFF_ECHO        = 1 << 18
)

const (
	IFLA_UNSPEC          = 0
	IFLA_ADDRESS         = 1
	IFLA_BROADCAST       = 2
	IFLA_IFNAME          = 3
	IFLA_MTU             = 4
	IFLA_LINK            = 5
	IFLA_QDISC           = 6
	IFLA_STATS           = 7
	IFLA_COST            = 8
	IFLA_PRIORITY        = 9
	IFLA_MASTER          = 10
	IFLA_WIRELESS        = 11
	IFLA_PROTINFO        = 12
	IFLA_TXQLEN          = 13
	IFLA_MAP             = 14
	IFLA_WEIGHT          = 15
	IFLA_OPERSTATE       = 16
	IFLA_LINKMODE        = 17
	IFLA_LINKINFO        = 18
	IFLA_NET_NS_PID      = 19
	IFLA_IFALIAS         = 20
	IFLA_NUM_VF          = 21
	IFLA_VFINFO_LIST     = 22
	IFLA_STATS64         = 23
	IFLA_VF_PORTS        = 24
	IFLA_PORT_SELF       = 25
	IFLA_AF_SPEC         = 26
	IFLA_GROUP           = 27
	IFLA_NET_NS_FD       = 28
	IFLA_EXT_MASK        = 29
	IFLA_PROMISCUITY     = 30
	IFLA_NUM_TX_QUEUES   = 31
	IFLA_NUM_RX_QUEUES   = 32
	IFLA_CARRIER         = 33
	IFLA_PHYS_PORT_ID    = 34
	IFLA_CARRIER_CHANGES = 35
	IFLA_PHYS_SWITCH_ID  = 36
	IFLA_LINK_NETNSID    = 37
	IFLA_PHYS_PORT_NAME  = 38
	IFLA_PROTO_DOWN      = 39
	IFLA_GSO_MAX_SEGS    = 40
	IFLA_GSO_MAX_SIZE    = 41
)

const (
	IFA_UNSPEC    = 0
	IFA_ADDRESS   = 1
	IFA_LOCAL     = 2
	IFA_LABEL     = 3
	IFA_BROADCAST = 4
	IFA_ANYCAST   = 5
	IFA_CACHEINFO = 6
	IFA_MULTICAST = 7
	IFA_FLAGS     = 8
)

const (
	ARPHRD_NONE     = 65534
	ARPHRD_ETHER    = 1
	ARPHRD_LOOPBACK = 772
)

const (
	// RTN_UNSPEC represents an unspecified route type.
	RTN_UNSPEC = 0

	// RTN_UNICAST represents a unicast route.
	RTN_UNICAST = 1

	// RTN_LOCAL represents a route that is accepted locally.
	RTN_LOCAL = 2

	// RTN_BROADCAST represents a broadcast route (Traffic is accepted locally
	// as broadcast, and sent as broadcast).
	RTN_BROADCAST = 3

	// RTN_ANYCAST represents a anycast route (Traffic is accepted locally as
	// broadcast but sent as unicast).
	RTN_ANYCAST = 6

	// RTN_MULTICAST represents a multicast route.
	RTN_MULTICAST = 5

	// RTN_BLACKHOLE represents a route where all traffic is dropped.
	RTN_BLACKHOLE = 6

	// RTN_UNREACHABLE represents a route where the destination is unreachable.
	RTN_UNREACHABLE = 7

	RTN_PROHIBIT = 8
	RTN_THROW    = 9
	RTN_NAT      = 10
	RTN_XRESOLVE = 11
)

const (
	RTPROT_UNSPEC   = 0
	RTPROT_REDIRECT = 1
	RTPROT_KERNEL   = 2
	RTPROT_BOOT     = 3
	RTPROT_STATIC   = 4
	RTPROT_GATED    = 8
	RTPROT_RA       = 9
	RTPROT_MRT      = 10
	RTPROT_ZEBRA    = 11
	RTPROT_BIRD     = 12
	RTPROT_DNROUTED = 13
	RTPROT_XORP     = 14
	RTPROT_NTK      = 15
	RTPROT_DHCP     = 16
	RTPROT_MROUTED  = 17
	RTPROT_BABEL    = 42
	RTPROT_BGP      = 186
	RTPROT_ISIS     = 187
	RTPROT_OSPF     = 188
	RTPROT_RIP      = 189
	RTPROT_EIGRP    = 192
)

const (
	RT_SCOPE_UNIVERSE = 0
	RT_SCOPE_SITE     = 200
	RT_SCOPE_LINK     = 253
	RT_SCOPE_HOST     = 254
	RT_SCOPE_NOWHERE  = 255
)

const (
	RTM_F_NOTIFY       = 0x100
	RTM_F_CLONED       = 0x200
	RTM_F_EQUALIZE     = 0x400
	RTM_F_PREFIX       = 0x800
	RTM_F_LOOKUP_TABLE = 0x1000
	RTM_F_FIB_MATCH    = 0x2000
)

const (
	RT_TABLE_UNSPEC  = 0
	RT_TABLE_COMPAT  = 252
	RT_TABLE_DEFAULT = 253
	RT_TABLE_MAIN    = 254
	RT_TABLE_LOCAL   = 255
)

const (
	RTA_UNSPEC        = 0
	RTA_DST           = 1
	RTA_SRC           = 2
	RTA_IIF           = 3
	RTA_OIF           = 4
	RTA_GATEWAY       = 5
	RTA_PRIORITY      = 6
	RTA_PREFSRC       = 7
	RTA_METRICS       = 8
	RTA_MULTIPATH     = 9
	RTA_PROTOINFO     = 10
	RTA_FLOW          = 11
	RTA_CACHEINFO     = 12
	RTA_SESSION       = 13
	RTA_MP_ALGO       = 14
	RTA_TABLE         = 15
	RTA_MARK          = 16
	RTA_MFC_STATS     = 17
	RTA_VIA           = 18
	RTA_NEWDST        = 19
	RTA_PREF          = 20
	RTA_ENCAP_TYPE    = 21
	RTA_ENCAP         = 22
	RTA_EXPIRES       = 23
	RTA_PAD           = 24
	RTA_UID           = 25
	RTA_TTL_PROPAGATE = 26
	RTA_IP_PROTO      = 27
	RTA_SPORT         = 28
	RTA_DPORT         = 29
)

const (
	RTF_GATEWAY = 0x2
	RTF_UP      = 0x1
)

const (
	POLLIN         = 0x0001
	POLLPRI        = 0x0002
	POLLOUT        = 0x0004
	POLLERR        = 0x0008
	POLLHUP        = 0x0010
	POLLNVAL       = 0x0020
	POLLRDNORM     = 0x0040
	POLLRDBAND     = 0x0080
	POLLWRNORM     = 0x0100
	POLLWRBAND     = 0x0200
	POLLMSG        = 0x0400
	POLLREMOVE     = 0x1000
	POLLRDHUP      = 0x2000
	POLLFREE       = 0x4000
	POLL_BUSY_LOOP = 0x8000
)

const (
	// PR_SET_PDEATHSIG sets the process' death signal.
	PR_SET_PDEATHSIG = 1

	// PR_GET_PDEATHSIG gets the process' death signal.
	PR_GET_PDEATHSIG = 2

	// PR_GET_DUMPABLE gets the process' dumpable flag.
	PR_GET_DUMPABLE = 3

	// PR_SET_DUMPABLE sets the process' dumpable flag.
	PR_SET_DUMPABLE = 4

	// PR_GET_KEEPCAPS gets the value of the keep capabilities flag.
	PR_GET_KEEPCAPS = 7

	// PR_SET_KEEPCAPS sets the value of the keep capabilities flag.
	PR_SET_KEEPCAPS = 8

	// PR_GET_TIMING gets the process' timing method.
	PR_GET_TIMING = 13

	// PR_SET_TIMING sets the process' timing method.
	PR_SET_TIMING = 14

	// PR_SET_NAME sets the process' name.
	PR_SET_NAME = 15

	// PR_GET_NAME gets the process' name.
	PR_GET_NAME = 16

	// PR_GET_SECCOMP gets a process' seccomp mode.
	PR_GET_SECCOMP = 21

	// PR_SET_SECCOMP sets a process' seccomp mode.
	PR_SET_SECCOMP = 22

	// PR_CAPBSET_READ gets the capability bounding set.
	PR_CAPBSET_READ = 23

	// PR_CAPBSET_DROP sets the capability bounding set.
	PR_CAPBSET_DROP = 24

	// PR_GET_TSC gets the value of the flag determining whether the
	// timestamp counter can be read.
	PR_GET_TSC = 25

	// PR_SET_TSC sets the value of the flag determining whether the
	// timestamp counter can be read.
	PR_SET_TSC = 26

	// PR_SET_TIMERSLACK sets the process' time slack.
	PR_SET_TIMERSLACK = 29

	// PR_GET_TIMERSLACK gets the process' time slack.
	PR_GET_TIMERSLACK = 30

	// PR_TASK_PERF_EVENTS_DISABLE disables all performance counters
	// attached to the calling process.
	PR_TASK_PERF_EVENTS_DISABLE = 31

	// PR_TASK_PERF_EVENTS_ENABLE enables all performance counters attached
	// to the calling process.
	PR_TASK_PERF_EVENTS_ENABLE = 32

	// PR_MCE_KILL sets the machine check memory corruption kill policy for
	// the calling thread.
	PR_MCE_KILL = 33

	// PR_MCE_KILL_GET gets the machine check memory corruption kill policy
	// for the calling thread.
	PR_MCE_KILL_GET = 34

	// PR_SET_MM modifies certain kernel memory map descriptor fields of
	// the calling process. See prctl(2) for more information.
	PR_SET_MM = 35

	PR_SET_MM_START_CODE  = 1
	PR_SET_MM_END_CODE    = 2
	PR_SET_MM_START_DATA  = 3
	PR_SET_MM_END_DATA    = 4
	PR_SET_MM_START_STACK = 5
	PR_SET_MM_START_BRK   = 6
	PR_SET_MM_BRK         = 7
	PR_SET_MM_ARG_START   = 8
	PR_SET_MM_ARG_END     = 9
	PR_SET_MM_ENV_START   = 10
	PR_SET_MM_ENV_END     = 11
	PR_SET_MM_AUXV        = 12
	// PR_SET_MM_EXE_FILE supersedes the /proc/pid/exe symbolic link with a
	// new one pointing to a new executable file identified by the file
	// descriptor provided in arg3 argument. See prctl(2) for more
	// information.
	PR_SET_MM_EXE_FILE = 13
	PR_SET_MM_MAP      = 14
	PR_SET_MM_MAP_SIZE = 15

	// PR_SET_CHILD_SUBREAPER sets the "child subreaper" attribute of the
	// calling process.
	PR_SET_CHILD_SUBREAPER = 36

	// PR_GET_CHILD_SUBREAPER gets the "child subreaper" attribute of the
	// calling process.
	PR_GET_CHILD_SUBREAPER = 37

	// PR_SET_NO_NEW_PRIVS sets the calling thread's no_new_privs bit.
	PR_SET_NO_NEW_PRIVS = 38

	// PR_GET_NO_NEW_PRIVS gets the calling thread's no_new_privs bit.
	PR_GET_NO_NEW_PRIVS = 39

	// PR_GET_TID_ADDRESS retrieves the clear_child_tid address.
	PR_GET_TID_ADDRESS = 40

	// PR_SET_THP_DISABLE sets the state of the "THP disable" flag for the
	// calling thread.
	PR_SET_THP_DISABLE = 41

	// PR_GET_THP_DISABLE gets the state of the "THP disable" flag for the
	// calling thread.
	PR_GET_THP_DISABLE = 42

	// PR_MPX_ENABLE_MANAGEMENT enables kernel management of Memory
	// Protection eXtensions (MPX) bounds tables.
	PR_MPX_ENABLE_MANAGEMENT = 43

	// PR_MPX_DISABLE_MANAGEMENT disables kernel management of Memory
	// Protection eXtensions (MPX) bounds tables.
	PR_MPX_DISABLE_MANAGEMENT = 44

	// The following constants are used to control thread scheduling on cores.
	PR_SCHED_CORE_SCOPE_THREAD       = 0
	PR_SCHED_CORE_SCOPE_THREAD_GROUP = 1

	// PR_SET_PTRACER allows a specific process (or any, if PR_SET_PTRACER_ANY is
	// specified) to ptrace the current task.
	PR_SET_PTRACER     = 0x59616d61
	PR_SET_PTRACER_ANY = -1
)

const (
	ARCH_SET_GS    = 0x1001
	ARCH_SET_FS    = 0x1002
	ARCH_GET_FS    = 0x1003
	ARCH_GET_GS    = 0x1004
	ARCH_SET_CPUID = 0x1012
)

const (
	SUID_DUMP_DISABLE = 0
	SUID_DUMP_USER    = 1
	SUID_DUMP_ROOT    = 2
)

const (
	PTRACE_TRACEME              = 0
	PTRACE_PEEKTEXT             = 1
	PTRACE_PEEKDATA             = 2
	PTRACE_PEEKUSR              = 3
	PTRACE_POKETEXT             = 4
	PTRACE_POKEDATA             = 5
	PTRACE_POKEUSR              = 6
	PTRACE_CONT                 = 7
	PTRACE_KILL                 = 8
	PTRACE_SINGLESTEP           = 9
	PTRACE_ATTACH               = 16
	PTRACE_DETACH               = 17
	PTRACE_SYSCALL              = 24
	PTRACE_SETOPTIONS           = 0x4200
	PTRACE_GETEVENTMSG          = 0x4201
	PTRACE_GETSIGINFO           = 0x4202
	PTRACE_SETSIGINFO           = 0x4203
	PTRACE_GETREGSET            = 0x4204
	PTRACE_SETREGSET            = 0x4205
	PTRACE_SEIZE                = 0x4206
	PTRACE_INTERRUPT            = 0x4207
	PTRACE_LISTEN               = 0x4208
	PTRACE_PEEKSIGINFO          = 0x4209
	PTRACE_GETSIGMASK           = 0x420a
	PTRACE_SETSIGMASK           = 0x420b
	PTRACE_SECCOMP_GET_FILTER   = 0x420c
	PTRACE_SECCOMP_GET_METADATA = 0x420d
)

const (
	PTRACE_GETREGS           = 12
	PTRACE_SETREGS           = 13
	PTRACE_GETFPREGS         = 14
	PTRACE_SETFPREGS         = 15
	PTRACE_GETFPXREGS        = 18
	PTRACE_SETFPXREGS        = 19
	PTRACE_OLDSETOPTIONS     = 21
	PTRACE_GET_THREAD_AREA   = 25
	PTRACE_SET_THREAD_AREA   = 26
	PTRACE_ARCH_PRCTL        = 30
	PTRACE_SYSEMU            = 31
	PTRACE_SYSEMU_SINGLESTEP = 32
	PTRACE_SINGLEBLOCK       = 33
)

const (
	PTRACE_EVENT_FORK       = 1
	PTRACE_EVENT_VFORK      = 2
	PTRACE_EVENT_CLONE      = 3
	PTRACE_EVENT_EXEC       = 4
	PTRACE_EVENT_VFORK_DONE = 5
	PTRACE_EVENT_EXIT       = 6
	PTRACE_EVENT_SECCOMP    = 7
	PTRACE_EVENT_STOP       = 128
)

const (
	PTRACE_O_TRACESYSGOOD    = 1
	PTRACE_O_TRACEFORK       = 1 << PTRACE_EVENT_FORK
	PTRACE_O_TRACEVFORK      = 1 << PTRACE_EVENT_VFORK
	PTRACE_O_TRACECLONE      = 1 << PTRACE_EVENT_CLONE
	PTRACE_O_TRACEEXEC       = 1 << PTRACE_EVENT_EXEC
	PTRACE_O_TRACEVFORKDONE  = 1 << PTRACE_EVENT_VFORK_DONE
	PTRACE_O_TRACEEXIT       = 1 << PTRACE_EVENT_EXIT
	PTRACE_O_TRACESECCOMP    = 1 << PTRACE_EVENT_SECCOMP
	PTRACE_O_EXITKILL        = 1 << 20
	PTRACE_O_SUSPEND_SECCOMP = 1 << 21
)

const (
	YAMA_SCOPE_DISABLED   = 0
	YAMA_SCOPE_RELATIONAL = 1
)

const (
	// RSEQ_CS_FLAG_NO_RESTART_ON_PREEMPT inhibits restart on preemption.
	RSEQ_CS_FLAG_NO_RESTART_ON_PREEMPT = 1 << 0

	// RSEQ_CS_FLAG_NO_RESTART_ON_SIGNAL inhibits restart on signal
	// delivery.
	RSEQ_CS_FLAG_NO_RESTART_ON_SIGNAL = 1 << 1

	// RSEQ_CS_FLAG_NO_RESTART_ON_MIGRATE inhibits restart on CPU
	// migration.
	RSEQ_CS_FLAG_NO_RESTART_ON_MIGRATE = 1 << 2
)

const (
	// SizeOfRSeqCriticalSection is the size of RSeqCriticalSection.
	SizeOfRSeqCriticalSection = 32

	// SizeOfRSeqSignature is the size of the signature immediately
	// preceding RSeqCriticalSection.Abort.
	SizeOfRSeqSignature = 4
)

const (
	// RSEQ_CPU_ID_UNINITIALIZED indicates that this thread has not
	// performed rseq initialization.
	RSEQ_CPU_ID_UNINITIALIZED = ^uint32(0) // -1

	// RSEQ_CPU_ID_REGISTRATION_FAILED indicates that rseq initialization
	// failed.
	RSEQ_CPU_ID_REGISTRATION_FAILED = ^uint32(1) // -2
)

const (
	// SizeOfRSeq is the size of RSeq.
	//
	// Note that RSeq is naively 24 bytes. However, it has 32-byte
	// alignment, which in C increases sizeof to 32. That is the size that
	// the Linux kernel uses.
	SizeOfRSeq = 32

	// AlignOfRSeq is the standard alignment of RSeq.
	AlignOfRSeq = 32

	// OffsetOfRSeqCriticalSection is the offset of RSeqCriticalSection in RSeq.
	OffsetOfRSeqCriticalSection = 8
)

const (
	// wait4(2) uses this to aggregate RUSAGE_SELF and RUSAGE_CHILDREN.
	RUSAGE_BOTH = -0x2

	// getrusage(2) flags.
	RUSAGE_CHILDREN = -0x1
	RUSAGE_SELF     = 0x0
	RUSAGE_THREAD   = 0x1
)

const (
	SCHED_NORMAL   = 0
	SCHED_FIFO     = 1
	SCHED_RR       = 2
	SCHED_BATCH    = 3
	SCHED_IDLE     = 5
	SCHED_DEADLINE = 6
	SCHED_MICROQ   = 16

	// SCHED_RESET_ON_FORK is a flag that indicates that the process is
	// reverted back to SCHED_NORMAL on fork.
	SCHED_RESET_ON_FORK = 0x40000000
)

const (
	PRIO_PGRP    = 0x1
	PRIO_PROCESS = 0x0
	PRIO_USER    = 0x2
)

const (
	SECCOMP_MODE_NONE   = 0
	SECCOMP_MODE_FILTER = 2

	SECCOMP_RET_ACTION_FULL = 0xffff0000
	SECCOMP_RET_ACTION      = 0x7fff0000
	SECCOMP_RET_DATA        = 0x0000ffff

	SECCOMP_SET_MODE_FILTER  = 1
	SECCOMP_GET_ACTION_AVAIL = 2
	SECCOMP_GET_NOTIF_SIZES  = 3

	SECCOMP_FILTER_FLAG_TSYNC        = 1
	SECCOMP_FILTER_FLAG_NEW_LISTENER = 1 << 3

	SECCOMP_USER_NOTIF_FLAG_CONTINUE = 1

	SECCOMP_IOCTL_NOTIF_RECV      = 0xc0502100
	SECCOMP_IOCTL_NOTIF_SEND      = 0xc0182101
	SECCOMP_IOCTL_NOTIF_SET_FLAGS = 0x40082104

	SECCOMP_USER_NOTIF_FD_SYNC_WAKE_UP = 1
)

const (
	GETPID  = 11
	GETVAL  = 12
	GETALL  = 13
	GETNCNT = 14
	GETZCNT = 15
	SETVAL  = 16
	SETALL  = 17
)

const (
	SEM_STAT     = 18
	SEM_INFO     = 19
	SEM_STAT_ANY = 20
)

const (
	SEMMNI = 32000
	SEMMSL = 32000
	SEMMNS = SEMMNI * SEMMSL
	SEMOPM = 500
	SEMVMX = 32767
	SEMAEM = SEMVMX

	SEMUME = SEMOPM
	SEMMNU = SEMMNS
	SEMMAP = SEMMNS
	SEMUSZ = 20
)

const (
	SHM_RDONLY = 010000  // Read-only access.
	SHM_RND    = 020000  // Round attach address to SHMLBA boundary.
	SHM_REMAP  = 040000  // Take-over region on attach.
	SHM_EXEC   = 0100000 // Execution access.
)

const (
	SHM_DEST      = 01000  // Segment will be destroyed on last detach.
	SHM_LOCKED    = 02000  // Segment will not be swapped.
	SHM_HUGETLB   = 04000  // Segment will use huge TLB pages.
	SHM_NORESERVE = 010000 // Don't check for reservations.
)

const (
	SHM_LOCK   = 11
	SHM_UNLOCK = 12
	SHM_STAT   = 13
	SHM_INFO   = 14
)

const (
	SHMMIN = 1
	SHMMNI = 4096
	SHMMAX = math.MaxUint64 - 1<<24
	SHMALL = math.MaxUint64 - 1<<24
	SHMSEG = 4096
)

const (
	// SignalMaximum is the highest valid signal number.
	SignalMaximum = 64

	// FirstStdSignal is the lowest standard signal number.
	FirstStdSignal = 1

	// LastStdSignal is the highest standard signal number.
	LastStdSignal = 31

	// FirstRTSignal is the lowest real-time signal number.
	//
	// 32 (SIGCANCEL) and 33 (SIGSETXID) are used internally by glibc.
	FirstRTSignal = 32

	// LastRTSignal is the highest real-time signal number.
	LastRTSignal = 64

	// NumStdSignals is the number of standard signals.
	NumStdSignals = LastStdSignal - FirstStdSignal + 1

	// NumRTSignals is the number of realtime signals.
	NumRTSignals = LastRTSignal - FirstRTSignal + 1
)

const (
	SIGABRT   = Signal(6)
	SIGALRM   = Signal(14)
	SIGBUS    = Signal(7)
	SIGCHLD   = Signal(17)
	SIGCLD    = Signal(17)
	SIGCONT   = Signal(18)
	SIGFPE    = Signal(8)
	SIGHUP    = Signal(1)
	SIGILL    = Signal(4)
	SIGINT    = Signal(2)
	SIGIO     = Signal(29)
	SIGIOT    = Signal(6)
	SIGKILL   = Signal(9)
	SIGPIPE   = Signal(13)
	SIGPOLL   = Signal(29)
	SIGPROF   = Signal(27)
	SIGPWR    = Signal(30)
	SIGQUIT   = Signal(3)
	SIGSEGV   = Signal(11)
	SIGSTKFLT = Signal(16)
	SIGSTOP   = Signal(19)
	SIGSYS    = Signal(31)
	SIGTERM   = Signal(15)
	SIGTRAP   = Signal(5)
	SIGTSTP   = Signal(20)
	SIGTTIN   = Signal(21)
	SIGTTOU   = Signal(22)
	SIGUNUSED = Signal(31)
	SIGURG    = Signal(23)
	SIGUSR1   = Signal(10)
	SIGUSR2   = Signal(12)
	SIGVTALRM = Signal(26)
	SIGWINCH  = Signal(28)
	SIGXCPU   = Signal(24)
	SIGXFSZ   = Signal(25)
)

const (
	// SIG_BLOCK blocks the signals in the set.
	SIG_BLOCK = 0

	// SIG_UNBLOCK blocks the signals in the set.
	SIG_UNBLOCK = 1

	// SIG_SETMASK sets the signal mask to set.
	SIG_SETMASK = 2
)

const (
	// SIG_DFL performs the default action.
	SIG_DFL = 0

	// SIG_IGN ignores the signal.
	SIG_IGN = 1
)

const (
	SA_NOCLDSTOP = 0x00000001
	SA_NOCLDWAIT = 0x00000002
	SA_SIGINFO   = 0x00000004
	SA_RESTORER  = 0x04000000
	SA_ONSTACK   = 0x08000000
	SA_RESTART   = 0x10000000
	SA_NODEFER   = 0x40000000
	SA_RESETHAND = 0x80000000
	SA_NOMASK    = SA_NODEFER
	SA_ONESHOT   = SA_RESETHAND
)

const (
	SS_ONSTACK = 1
	SS_DISABLE = 2
)

const (
	// SI_POLL is defined as __SI_POLL in Linux 2.6.
	SI_POLL = 2 << 16

	// POLL_IN indicates that data input available.
	POLL_IN = SI_POLL | 1

	// POLL_OUT indicates that output buffers available.
	POLL_OUT = SI_POLL | 2

	// POLL_MSG indicates that an input message available.
	POLL_MSG = SI_POLL | 3

	// POLL_ERR indicates that there was an i/o error.
	POLL_ERR = SI_POLL | 4

	// POLL_PRI indicates that a high priority input available.
	POLL_PRI = SI_POLL | 5

	// POLL_HUP indicates that a device disconnected.
	POLL_HUP = SI_POLL | 6
)

const (
	// SI_USER is sent by kill, sigsend, raise.
	SI_USER = 0

	// SI_KERNEL is sent by the kernel from somewhere.
	SI_KERNEL = 0x80

	// SI_QUEUE is sent by sigqueue.
	SI_QUEUE = -1

	// SI_TIMER is sent by timer expiration.
	SI_TIMER = -2

	// SI_MESGQ is sent by real time mesq state change.
	SI_MESGQ = -3

	// SI_ASYNCIO is sent by AIO completion.
	SI_ASYNCIO = -4

	// SI_SIGIO is sent by queued SIGIO.
	SI_SIGIO = -5

	// SI_TKILL is sent by tkill system call.
	SI_TKILL = -6

	// SI_DETHREAD is sent by execve() killing subsidiary threads.
	SI_DETHREAD = -7

	// SI_ASYNCNL is sent by glibc async name lookup completion.
	SI_ASYNCNL = -60
)

const (
	// CLD_EXITED indicates that a task exited.
	CLD_EXITED = 1

	// CLD_KILLED indicates that a task was killed by a signal.
	CLD_KILLED = 2

	// CLD_DUMPED indicates that a task was killed by a signal and then dumped
	// core.
	CLD_DUMPED = 3

	// CLD_TRAPPED indicates that a task was stopped by ptrace.
	CLD_TRAPPED = 4

	// CLD_STOPPED indicates that a thread group completed a group stop.
	CLD_STOPPED = 5

	// CLD_CONTINUED indicates that a group-stopped thread group was continued.
	CLD_CONTINUED = 6
)

const (
	SIGEV_SIGNAL    = 0
	SIGEV_NONE      = 1
	SIGEV_THREAD    = 2
	SIGEV_THREAD_ID = 4
)

const (
	// SFD_NONBLOCK is a signalfd(2) flag.
	SFD_NONBLOCK = 00004000

	// SFD_CLOEXEC is a signalfd(2) flag.
	SFD_CLOEXEC = 02000000
)

const (
	AF_UNSPEC     = 0
	AF_UNIX       = 1
	AF_INET       = 2
	AF_AX25       = 3
	AF_IPX        = 4
	AF_APPLETALK  = 5
	AF_NETROM     = 6
	AF_BRIDGE     = 7
	AF_ATMPVC     = 8
	AF_X25        = 9
	AF_INET6      = 10
	AF_ROSE       = 11
	AF_DECnet     = 12
	AF_NETBEUI    = 13
	AF_SECURITY   = 14
	AF_KEY        = 15
	AF_NETLINK    = 16
	AF_PACKET     = 17
	AF_ASH        = 18
	AF_ECONET     = 19
	AF_ATMSVC     = 20
	AF_RDS        = 21
	AF_SNA        = 22
	AF_IRDA       = 23
	AF_PPPOX      = 24
	AF_WANPIPE    = 25
	AF_LLC        = 26
	AF_IB         = 27
	AF_MPLS       = 28
	AF_CAN        = 29
	AF_TIPC       = 30
	AF_BLUETOOTH  = 31
	AF_IUCV       = 32
	AF_RXRPC      = 33
	AF_ISDN       = 34
	AF_PHONET     = 35
	AF_IEEE802154 = 36
	AF_CAIF       = 37
	AF_ALG        = 38
	AF_NFC        = 39
	AF_VSOCK      = 40
)

const (
	MSG_OOB              = 0x1
	MSG_PEEK             = 0x2
	MSG_DONTROUTE        = 0x4
	MSG_TRYHARD          = 0x4
	MSG_CTRUNC           = 0x8
	MSG_PROBE            = 0x10
	MSG_TRUNC            = 0x20
	MSG_DONTWAIT         = 0x40
	MSG_EOR              = 0x80
	MSG_WAITALL          = 0x100
	MSG_FIN              = 0x200
	MSG_EOF              = MSG_FIN
	MSG_SYN              = 0x400
	MSG_CONFIRM          = 0x800
	MSG_RST              = 0x1000
	MSG_ERRQUEUE         = 0x2000
	MSG_NOSIGNAL         = 0x4000
	MSG_MORE             = 0x8000
	MSG_WAITFORONE       = 0x10000
	MSG_SENDPAGE_NOTLAST = 0x20000
	MSG_ZEROCOPY         = 0x4000000
	MSG_FASTOPEN         = 0x20000000
	MSG_CMSG_CLOEXEC     = 0x40000000
)

const (
	SOL_IP      = 0
	SOL_SOCKET  = 1
	SOL_TCP     = 6
	SOL_UDP     = 17
	SOL_IPV6    = 41
	SOL_ICMPV6  = 58
	SOL_RAW     = 255
	SOL_PACKET  = 263
	SOL_NETLINK = 270
)

const (
	SOCK_CLOEXEC  = O_CLOEXEC
	SOCK_NONBLOCK = O_NONBLOCK
)

const (
	SHUT_RD   = 0
	SHUT_WR   = 1
	SHUT_RDWR = 2
)

const (
	PACKET_HOST      = 0 // To us
	PACKET_BROADCAST = 1 // To all
	PACKET_MULTICAST = 2 // To group
	PACKET_OTHERHOST = 3 // To someone else
	PACKET_OUTGOING  = 4 // Outgoing of any type
)

const (
	SO_DEBUG                 = 1
	SO_REUSEADDR             = 2
	SO_TYPE                  = 3
	SO_ERROR                 = 4
	SO_DONTROUTE             = 5
	SO_BROADCAST             = 6
	SO_SNDBUF                = 7
	SO_RCVBUF                = 8
	SO_KEEPALIVE             = 9
	SO_OOBINLINE             = 10
	SO_NO_CHECK              = 11
	SO_PRIORITY              = 12
	SO_LINGER                = 13
	SO_BSDCOMPAT             = 14
	SO_REUSEPORT             = 15
	SO_PASSCRED              = 16
	SO_PEERCRED              = 17
	SO_RCVLOWAT              = 18
	SO_SNDLOWAT              = 19
	SO_RCVTIMEO              = 20
	SO_SNDTIMEO              = 21
	SO_BINDTODEVICE          = 25
	SO_ATTACH_FILTER         = 26
	SO_DETACH_FILTER         = 27
	SO_GET_FILTER            = SO_ATTACH_FILTER
	SO_PEERNAME              = 28
	SO_TIMESTAMP             = 29
	SO_ACCEPTCONN            = 30
	SO_PEERSEC               = 31
	SO_SNDBUFFORCE           = 32
	SO_RCVBUFFORCE           = 33
	SO_PASSSEC               = 34
	SO_TIMESTAMPNS           = 35
	SO_MARK                  = 36
	SO_TIMESTAMPING          = 37
	SO_PROTOCOL              = 38
	SO_DOMAIN                = 39
	SO_RXQ_OVFL              = 40
	SO_WIFI_STATUS           = 41
	SO_PEEK_OFF              = 42
	SO_NOFCS                 = 43
	SO_LOCK_FILTER           = 44
	SO_SELECT_ERR_QUEUE      = 45
	SO_BUSY_POLL             = 46
	SO_MAX_PACING_RATE       = 47
	SO_BPF_EXTENSIONS        = 48
	SO_INCOMING_CPU          = 49
	SO_ATTACH_BPF            = 50
	SO_ATTACH_REUSEPORT_CBPF = 51
	SO_ATTACH_REUSEPORT_EBPF = 52
	SO_CNX_ADVICE            = 53
	SO_MEMINFO               = 55
	SO_INCOMING_NAPI_ID      = 56
	SO_COOKIE                = 57
	SO_PEERGROUPS            = 59
	SO_ZEROCOPY              = 60
	SO_TXTIME                = 61
)

const (
	SS_FREE          = 0 // Not allocated.
	SS_UNCONNECTED   = 1 // Unconnected to any socket.
	SS_CONNECTING    = 2 // In process of connecting.
	SS_CONNECTED     = 3 // Connected to socket.
	SS_DISCONNECTING = 4 // In process of disconnecting.
)

const (
	TCP_ESTABLISHED uint32 = iota + 1
	TCP_SYN_SENT
	TCP_SYN_RECV
	TCP_FIN_WAIT1
	TCP_FIN_WAIT2
	TCP_TIME_WAIT
	TCP_CLOSE
	TCP_CLOSE_WAIT
	TCP_LAST_ACK
	TCP_LISTEN
	TCP_CLOSING
	TCP_NEW_SYN_RECV
)

const (
	SCM_CREDENTIALS = 0x2
	SCM_RIGHTS      = 0x1
)

const (
	SPLICE_F_MOVE = 1 << iota
	SPLICE_F_NONBLOCK
	SPLICE_F_MORE
	SPLICE_F_GIFT
)

const (
	TCP_NODELAY              = 1
	TCP_MAXSEG               = 2
	TCP_CORK                 = 3
	TCP_KEEPIDLE             = 4
	TCP_KEEPINTVL            = 5
	TCP_KEEPCNT              = 6
	TCP_SYNCNT               = 7
	TCP_LINGER2              = 8
	TCP_DEFER_ACCEPT         = 9
	TCP_WINDOW_CLAMP         = 10
	TCP_INFO                 = 11
	TCP_QUICKACK             = 12
	TCP_CONGESTION           = 13
	TCP_MD5SIG               = 14
	TCP_THIN_LINEAR_TIMEOUTS = 16
	TCP_THIN_DUPACK          = 17
	TCP_USER_TIMEOUT         = 18
	TCP_REPAIR               = 19
	TCP_REPAIR_QUEUE         = 20
	TCP_QUEUE_SEQ            = 21
	TCP_REPAIR_OPTIONS       = 22
	TCP_FASTOPEN             = 23
	TCP_TIMESTAMP            = 24
	TCP_NOTSENT_LOWAT        = 25
	TCP_CC_INFO              = 26
	TCP_SAVE_SYN             = 27
	TCP_SAVED_SYN            = 28
	TCP_REPAIR_WINDOW        = 29
	TCP_FASTOPEN_CONNECT     = 30
	TCP_ULP                  = 31
	TCP_MD5SIG_EXT           = 32
	TCP_FASTOPEN_KEY         = 33
	TCP_FASTOPEN_NO_COOKIE   = 34
	TCP_ZEROCOPY_RECEIVE     = 35
	TCP_INQ                  = 36
)

const (
	MAX_TCP_KEEPIDLE  = 32767
	MAX_TCP_KEEPINTVL = 32767
	MAX_TCP_KEEPCNT   = 127
)

const (
	TCP_CA_Open     = 0
	TCP_CA_Disorder = 1
	TCP_CA_CWR      = 2
	TCP_CA_Recovery = 3
	TCP_CA_Loss     = 4
)

const (
	// ClockTick is the length of time represented by a single clock tick, as
	// used by times(2) and /proc/[pid]/stat.
	ClockTick = time.Second / CLOCKS_PER_SEC

	// CLOCKS_PER_SEC is the number of ClockTicks per second.
	//
	// Linux defines this to be 100 on most architectures, irrespective of
	// CONFIG_HZ. Userspace obtains the value through sysconf(_SC_CLK_TCK),
	// which uses the AT_CLKTCK entry in the auxiliary vector if one is
	// provided, and assumes 100 otherwise (glibc:
	// sysdeps/posix/sysconf.c:__sysconf() =>
	// sysdeps/unix/sysv/linux/getclktck.c, elf/dl-support.c:_dl_aux_init()).
	//
	// Not to be confused with POSIX CLOCKS_PER_SEC, as used by clock(3); "XSI
	// requires that [POSIX] CLOCKS_PER_SEC equals 1000000 independent of the
	// actual resolution" - clock(3).
	CLOCKS_PER_SEC = 100
)

const (
	CPUCLOCK_PROF  = 0
	CPUCLOCK_VIRT  = 1
	CPUCLOCK_SCHED = 2
	CPUCLOCK_MAX   = 3
	CLOCKFD        = CPUCLOCK_MAX

	CPUCLOCK_CLOCK_MASK     = 3
	CPUCLOCK_PERTHREAD_MASK = 4
)

const (
	CLOCK_REALTIME           = 0
	CLOCK_MONOTONIC          = 1
	CLOCK_PROCESS_CPUTIME_ID = 2
	CLOCK_THREAD_CPUTIME_ID  = 3
	CLOCK_MONOTONIC_RAW      = 4
	CLOCK_REALTIME_COARSE    = 5
	CLOCK_MONOTONIC_COARSE   = 6
	CLOCK_BOOTTIME           = 7
	CLOCK_REALTIME_ALARM     = 8
	CLOCK_BOOTTIME_ALARM     = 9
)

const (
	// TFD_CLOEXEC is a timerfd_create flag.
	TFD_CLOEXEC = O_CLOEXEC

	// TFD_NONBLOCK is a timerfd_create flag.
	TFD_NONBLOCK = O_NONBLOCK

	// TFD_TIMER_ABSTIME is a timerfd_settime flag.
	TFD_TIMER_ABSTIME = 1
)

const (
	ITIMER_REAL    = 0
	ITIMER_VIRTUAL = 1
	ITIMER_PROF    = 2
)

const (
	IGNBRK  = 0000001
	BRKINT  = 0000002
	IGNPAR  = 0000004
	PARMRK  = 0000010
	INPCK   = 0000020
	ISTRIP  = 0000040
	INLCR   = 0000100
	IGNCR   = 0000200
	ICRNL   = 0000400
	IUCLC   = 0001000
	IXON    = 0002000
	IXANY   = 0004000
	IXOFF   = 0010000
	IMAXBEL = 0020000
	IUTF8   = 0040000
)

const (
	OPOST  = 0000001
	OLCUC  = 0000002
	ONLCR  = 0000004
	OCRNL  = 0000010
	ONOCR  = 0000020
	ONLRET = 0000040
	OFILL  = 0000100
	OFDEL  = 0000200
	NLDLY  = 0000400
	NL0    = 0000000
	NL1    = 0000400
	CRDLY  = 0003000
	CR0    = 0000000
	CR1    = 0001000
	CR2    = 0002000
	CR3    = 0003000
	TABDLY = 0014000
	TAB0   = 0000000
	TAB1   = 0004000
	TAB2   = 0010000
	TAB3   = 0014000
	XTABS  = 0014000
	BSDLY  = 0020000
	BS0    = 0000000
	BS1    = 0020000
	VTDLY  = 0040000
	VT0    = 0000000
	VT1    = 0040000
	FFDLY  = 0100000
	FF0    = 0000000
	FF1    = 0100000
)

const (
	CBAUD    = 0010017
	B0       = 0000000
	B50      = 0000001
	B75      = 0000002
	B110     = 0000003
	B134     = 0000004
	B150     = 0000005
	B200     = 0000006
	B300     = 0000007
	B600     = 0000010
	B1200    = 0000011
	B1800    = 0000012
	B2400    = 0000013
	B4800    = 0000014
	B9600    = 0000015
	B19200   = 0000016
	B38400   = 0000017
	EXTA     = B19200
	EXTB     = B38400
	CSIZE    = 0000060
	CS5      = 0000000
	CS6      = 0000020
	CS7      = 0000040
	CS8      = 0000060
	CSTOPB   = 0000100
	CREAD    = 0000200
	PARENB   = 0000400
	PARODD   = 0001000
	HUPCL    = 0002000
	CLOCAL   = 0004000
	CBAUDEX  = 0010000
	BOTHER   = 0010000
	B57600   = 0010001
	B115200  = 0010002
	B230400  = 0010003
	B460800  = 0010004
	B500000  = 0010005
	B576000  = 0010006
	B921600  = 0010007
	B1000000 = 0010010
	B1152000 = 0010011
	B1500000 = 0010012
	B2000000 = 0010013
	B2500000 = 0010014
	B3000000 = 0010015
	B3500000 = 0010016
	B4000000 = 0010017
	CIBAUD   = 002003600000
	CMSPAR   = 010000000000
	CRTSCTS  = 020000000000

	// IBSHIFT is the shift from CBAUD to CIBAUD.
	IBSHIFT = 16
)

const (
	ISIG    = 0000001
	ICANON  = 0000002
	XCASE   = 0000004
	ECHO    = 0000010
	ECHOE   = 0000020
	ECHOK   = 0000040
	ECHONL  = 0000100
	NOFLSH  = 0000200
	TOSTOP  = 0000400
	ECHOCTL = 0001000
	ECHOPRT = 0002000
	ECHOKE  = 0004000
	FLUSHO  = 0010000
	PENDIN  = 0040000
	IEXTEN  = 0100000
	EXTPROC = 0200000
)

const (
	VINTR    = 0
	VQUIT    = 1
	VERASE   = 2
	VKILL    = 3
	VEOF     = 4
	VTIME    = 5
	VMIN     = 6
	VSWTC    = 7
	VSTART   = 8
	VSTOP    = 9
	VSUSP    = 10
	VEOL     = 11
	VREPRINT = 12
	VDISCARD = 13
	VWERASE  = 14
	VLNEXT   = 15
	VEOL2    = 16
)

const (
	VFIO_TYPE = ';'
	VFIO_BASE = 100

	// VFIO extensions.
	VFIO_TYPE1_IOMMU     = 1
	VFIO_SPAPR_TCE_IOMMU = 2
	VFIO_TYPE1v2_IOMMU   = 3
)

const (
	// Device supports reset.
	VFIO_DEVICE_FLAGS_RESET = 1 << iota
	// VFIO-pci device.
	VFIO_DEVICE_FLAGS_PCI
	// VFIO-platform device.
	VFIO_DEVICE_FLAGS_PLATFORM
	// VFIO-amba device.
	VFIO_DEVICE_FLAGS_AMBA
	// VFIO-ccw device.
	VFIO_DEVICE_FLAGS_CCW
	// VFIO-ap device.
	VFIO_DEVICE_FLAGS_AP
	// VFIO-fsl-mc device.
	VFIO_DEVICE_FLAGS_FSL_MC
	// Info supports caps.
	VFIO_DEVICE_FLAGS_CAPS
	// VFIO-cdx device.
	VFIO_DEVICE_FLAGS_CDX
)

const (
	// Region supports read.
	VFIO_REGION_INFO_FLAG_READ = 1 << iota
	// Region supports write.
	VFIO_REGION_INFO_FLAG_WRITE
	// Region supports mmap.
	VFIO_REGION_INFO_FLAG_MMAP
	// Info supports caps.
	VFIO_REGION_INFO_FLAG_CAPS
)

const (
	VFIO_IRQ_INFO_EVENTFD = 1 << iota
	VFIO_IRQ_INFO_MASKABLE
	VFIO_IRQ_INFO_AUTOMASKED
	VFIO_IRQ_INFO_NORESIZE
)

const (
	VFIO_IRQ_SET_DATA_NONE = 1 << iota
	VFIO_IRQ_SET_DATA_BOOL
	VFIO_IRQ_SET_DATA_EVENTFD
	VFIO_IRQ_SET_ACTION_MASK
	VFIO_IRQ_SET_ACTION_UNMASK
	VFIO_IRQ_SET_ACTION_TRIGGER

	VFIO_IRQ_SET_DATA_TYPE_MASK = VFIO_IRQ_SET_DATA_NONE |
		VFIO_IRQ_SET_DATA_BOOL |
		VFIO_IRQ_SET_DATA_EVENTFD
	VFIO_IRQ_SET_ACTION_TYPE_MASK = VFIO_IRQ_SET_ACTION_MASK |
		VFIO_IRQ_SET_ACTION_UNMASK |
		VFIO_IRQ_SET_ACTION_TRIGGER
)

const (
	VFIO_PCI_INTX_IRQ_INDEX = iota
	VFIO_PCI_MSI_IRQ_INDEX
	VFIO_PCI_MSIX_IRQ_INDEX
	VFIO_PCI_ERR_IRQ_INDEX
	VFIO_PCI_REQ_IRQ_INDEX
	VFIO_PCI_NUM_IRQS
)

const (
	// Readable from device.
	VFIO_DMA_MAP_FLAG_READ = 1 << iota
	// Writable from device.
	VFIO_DMA_MAP_FLAG_WRITE
	// Update the device's virtual address.
	VFIO_DMA_MAP_FLAG_VADDR
)

const (
	WNOHANG    = 0x00000001
	WUNTRACED  = 0x00000002
	WSTOPPED   = WUNTRACED
	WEXITED    = 0x00000004
	WCONTINUED = 0x00000008
	WNOWAIT    = 0x01000000
	WNOTHREAD  = 0x20000000
	WALL       = 0x40000000
	WCLONE     = 0x80000000
)

const (
	P_ALL  = 0x0
	P_PID  = 0x1
	P_PGID = 0x2
)

const (
	XATTR_NAME_MAX = 255
	XATTR_SIZE_MAX = 65536
	XATTR_LIST_MAX = 65536

	XATTR_CREATE  = 1
	XATTR_REPLACE = 2

	XATTR_SECURITY_PREFIX     = "security."
	XATTR_SECURITY_PREFIX_LEN = len(XATTR_SECURITY_PREFIX)

	XATTR_SYSTEM_PREFIX     = "system."
	XATTR_SYSTEM_PREFIX_LEN = len(XATTR_SYSTEM_PREFIX)

	XATTR_TRUSTED_PREFIX     = "trusted."
	XATTR_TRUSTED_PREFIX_LEN = len(XATTR_TRUSTED_PREFIX)

	XATTR_USER_PREFIX     = "user."
	XATTR_USER_PREFIX_LEN = len(XATTR_USER_PREFIX)
)

const (
	// ACCEL_MAJOR is the major device number for compute accelerator devices.
	ACCEL_MAJOR = 121
)

const AIORingSize = 32

const ALL_INOTIFY_BITS = IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE |
	IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | IN_MOVED_TO | IN_CREATE |
	IN_DELETE | IN_DELETE_SELF | IN_MOVE_SELF | IN_UNMOUNT | IN_Q_OVERFLOW |
	IN_IGNORED | IN_ONLYDIR | IN_DONT_FOLLOW | IN_EXCL_UNLINK | IN_MASK_ADD |
	IN_ISDIR | IN_ONESHOT

const (
	AT_EACCESS = 0x200
)

const (
	AT_FDCWD = -100
)

const (
	AT_REMOVEDIR = 0x200
)

const (
	AT_SYMLINK_NOFOLLOW = 0x100
)

const (
	// CtxSignalNoInfoFunc is a Context.Value key for a function to send signals.
	CtxSignalNoInfoFunc contextID = iota
)

const (
	FD_CLOEXEC = 00000001
)

const FUSE_GETATTR_FH = (1 << 0)

const (
	// FUSE_MIN_READ_BUFFER is the minimum size the read can be for any FUSE filesystem.
	// This is the minimum size Linux supports. See linux.fuse.h.
	FUSE_MIN_READ_BUFFER uint32 = 8192
)

const (
	FUSE_READ_LOCKOWNER = 1 << 1
)

const FUSE_ROOT_ID = 1

const FUTEX_BITSET_MATCH_ANY = 0xffffffff

const FUTEX_TID_MASK = 0x3fffffff

const (
	ICMPV6_FILTER = 1
)

const (
	// IFNAMSIZ is the size of the name field for IFReq.
	IFNAMSIZ = 16
)

const (
	IORING_ENTER_GETEVENTS = (1 << 0)
)

const (
	IORING_FEAT_SINGLE_MMAP = (1 << 0)
)

const IP6T_ORIGINAL_DST = 80

const (
	IPC_PRIVATE = 0
)

const InterfaceAddrMessageSize = 8

const InterfaceInfoMessageSize = 16

const (
	KEY_SPEC_SESSION_KEYRING = -3
)

const MAX_NON_LFS = ((1 << 31) - 1)

const (
	MEMBARRIER_CMD_FLAG_CPU = (1 << 0)
)

const (
	MLOCK_ONFAULT = 0x01
)

const MaxSymlinkTraversals = 40

const NLA_ALIGNTO = 4

const NLMSG_ALIGNTO = 4

const NetlinkAttrHeaderSize = 4

const NetlinkMessageHeaderSize = 16

const (
	// NumControlCharacters is the number of control characters in Termios.
	NumControlCharacters = 19
)

const NumSoftIRQ = 10

const (
	// PTMX_MINOR is the minor device number for /dev/ptmx.
	PTMX_MINOR = 2
)

const ROBUST_LIST_LIMIT = 2048

const (
	// RSEQ_FLAG_UNREGISTER unregisters the current thread.
	RSEQ_FLAG_UNREGISTER = 1 << 0
)

const SCM_MAX_FD = 253

const (
	SEM_UNDO = 0x1000
)

const (
	SIOCGSTAMP = 0x8906
)

const SOCK_TYPE_MASK = 0xf

const SO_ACCEPTCON = 1 << 16

const (
	SO_ORIGINAL_DST = 80
)

const (
	// SYS_SECCOMP indicates that a signal originates from seccomp.
	SYS_SECCOMP = 1
)

const SignalSetSize = 8

const SizeOfControlMessageHopLimit = 4

const SizeOfControlMessageIPPacketInfo = 12

const SizeOfControlMessageIPv6PacketInfo = 20

const SizeOfControlMessageInq = 4

const SizeOfControlMessageRight = 4

const SizeOfControlMessageTClass = 4

const SizeOfControlMessageTOS = 1

const SizeOfControlMessageTTL = 4

const SizeOfIP6TEntry = 168

const SizeOfIP6TIP = 136

const SizeOfIP6TReplace = 96

const SizeOfIPTEntry = 112

const SizeOfIPTGetEntries = 40

const SizeOfIPTGetinfo = 84

const SizeOfIPTIP = 84

const SizeOfIPTOwnerInfo = 34

const SizeOfIPTReplace = 96

const SizeOfLinger = 8

const SizeOfNFNATRange = 40

const SizeOfNFNATRange2 = 48

const SizeOfRouteMessage = 12

const SizeOfRtAttr = 4

const SizeOfTimeval = 16

const SizeOfXTCounters = 16

const SizeOfXTEntryMatch = 32

const SizeOfXTEntryTarget = 32

const SizeOfXTErrorTarget = 64

const SizeOfXTGetRevision = 30

const SizeOfXTNATTargetV0 = 56

const SizeOfXTNATTargetV1 = SizeOfXTEntryTarget + SizeOfNFNATRange

const SizeOfXTNATTargetV2 = SizeOfXTEntryTarget + SizeOfNFNATRange2

const SizeOfXTOwnerMatchInfo = 20

const SizeOfXTRedirectTarget = 56

const SizeOfXTStandardTarget = 40

const SizeOfXTTCP = 12

const SizeOfXTUDP = 10

const SockAddrMax = 128

const SockAddrNetlinkSize = 12

const TASK_COMM_LEN = 16

const (
	TIMER_ABSTIME = 1
)

const UIO_MAXIOV = 1024

const (
	// UTSLen is the maximum length of strings contained in fields of
	// UtsName.
	UTSLen = 64
)

const UnixPathMax = 108

const (
	VFIO_DMA_UNMAP_FLAG_GET_DIRTY_BITMAP = 1
)

const (
	// Major devices number between 243 and 254 are usually reserved for local use.
	// The device number 245 is used by VFIO based TPU in GCP.
	VFIO_MAJOR = 245
)