Reference for unit 'Linux': Constants

`CLONE_CHILD_CLEARTID`		Clone option: Erase child thread ID in child memory space when child exits.
`CLONE_CHILD_SETTID`		Clone option: Store child thread ID in child memory.
`CLONE_DETACHED`		Clone option: Start clone detached.
`CLONE_FILES`		Clone option: open files shared between processes
`CLONE_FS`		Clone option: fs info shared between processes
`CLONE_NEWNS`		Clone options: Start child in new (filesystem) namespace.
`CLONE_PARENT`		Clone options: Set child parent to parent of calling process.
`CLONE_PARENT_SETTID`		Clone option: Store child thread ID in memory in both parent and child.
`CLONE_PID`		Clone option: PID shared between processes
`CLONE_PTRACE`		Clone options: if parent is traced, trace child also
`CLONE_SETTLS`		Clone option: The newtls parameter is the TLS descriptor of the child
`CLONE_SIGHAND`		Clone option: signal handlers shared between processes
`CLONE_STOPPED`		Clone option: Start child in stopped state.
`CLONE_SYSVSEM`		Clone option: Caller and child share the same semaphore undo values
`CLONE_THREAD`		Clone options: Set child in thread group of calling process.
`CLONE_UNTRACED`		Clone option: Do not allow a ptrace call on this clone.
`CLONE_VFORK`		Clone options: suspend parent till child execs
`CLONE_VM`		Clone option: VM shared between processes
`CSIGNAL`		Clone option: Signal mask to be sent at exit
`EPOLLERR`		Poll error condition
`EPOLLET`		Undocumented
`EPOLLHUP`		Poll hung up
`EPOLLIN`		Poll input file descriptor ready event
`EPOLLOUT`		Poll output file descriptor ready event
`EPOLLPRI`		Priority data available on input file descriptor
`EPOLL_CTL_ADD`		Add filedescriptor to list of events
`EPOLL_CTL_DEL`		Delete event for filedescriptor
`EPOLL_CTL_MOD`		Modify event for filedescriptor
`FUTEX_CMP_REQUEUE`		Futex option: requeue waiting processes on other futex, but check it's value first
`FUTEX_FD`		Futex option: Associate file descriptor with futex.
`FUTEX_LOCK_PI`		Futex option: Undocumented
`FUTEX_OP_ADD`		Futex operation: Undocumented
`FUTEX_OP_ANDN`		Futex operation: Undocumented
`FUTEX_OP_CMP_EQ`		Futex operation: Undocumented
`FUTEX_OP_CMP_GE`		Futex operation: Undocumented
`FUTEX_OP_CMP_GT`		Futex operation: Undocumented
`FUTEX_OP_CMP_LE`		Futex operation: Undocumented
`FUTEX_OP_CMP_LT`		Futex operation: Undocumented
`FUTEX_OP_CMP_NE`		Futex operation: Undocumented
`FUTEX_OP_OPARG_SHIFT`		Futex operation: Undocumented
`FUTEX_OP_OR`		Futex operation: Undocumented
`FUTEX_OP_SET`		Futex operation: Undocumented
`FUTEX_OP_XOR`		Futex operation: Undocumented
`FUTEX_REQUEUE`		Futex option: requeue waiting processes on other futex.
`FUTEX_TRYLOCK_PI`		Futex option: Undocumented
`FUTEX_UNLOCK_PI`		Futex option: Undocumented
`FUTEX_WAIT`		Futex option: Wait on futex till wake call arrives.
`FUTEX_WAKE`		Futex option: wakes any waiting processes on this futex
`FUTEX_WAKE_OP`		Futex option: Undocumented
`GIO_CMAP`		IOCTL: Get colour palette on VGA+
`GIO_FONT`		IOCTL: Get font in expanded form.
`GIO_FONTX`		IOCTL: Get font in `consolefontdesc` record.
`GIO_SCRNMAP`		IOCTL: get screen mapping from kernel
`GIO_UNIMAP`		IOCTL: get unicode-to-font mapping from kernel
`GIO_UNISCRNMAP`		IOCTL: get full Unicode screen mapping
`KB_101`		IOCTL: Keyboard types: 101 keys
`KB_84`		IOCTL: Keyboard types: 84 keys
`KB_OTHER`		IOCTL: Keyboard types: other type
`KDADDIO`		IOCTL: add i/o port as valid
`KDDELIO`		IOCTL: delete i/o port as valid
`KDDISABIO`		IOCTL: disable i/o to video board
`KDENABIO`		IOCTL: enable i/o to video board
`KDFONTOP`		IOCTL: font operations
`KDGETKEYCODE`		IOCTL: read kernel keycode table entry
`KDGETLED`		IOCTL: return current led state
`KDGETMODE`		IOCTL: get current mode
`KDGKBDIACR`		IOCTL: read kernel accent table
`KDGKBTYPE`		IOCTL: get keyboard type
`KDMAPDISP`		IOCTL: map display into address space
`KDMKTONE`		IOCTL: generate tone
`KDSETKEYCODE`		IOCTL: write kernel keycode table entry
`KDSETLED`		IOCTL: set led state
`KDSETMODE`		IOCTL: set text/graphics mode
`KDSIGACCEPT`		IOCTL: accept kbd generated signals
`KDSKBDIACR`		IOCTL: write kernel accent table
`KDUNMAPDISP`		IOCTL: unmap display from address space
`KD_GRAPHICS`		IOCTL: Tty modes: graphics mode
`KD_TEXT`		IOCTL: Tty modes: Text mode
`KD_TEXT0`		IOCTL: Tty modes: Text mode (obsolete)
`KD_TEXT1`		IOCTL: Tty modes: Text mode (obsolete)
`KIOCSOUND`		IOCTL: start/stop sound generation (0 for off)
`LED_CAP`		IOCTL: LED_CAP : caps lock led
`LED_NUM`		IOCTL: LED_SCR : Num lock led
`LED_SCR`		IOCTL: LED_SCR : scroll lock led
`MAP_DENYWRITE`
`MAP_EXECUTABLE`
`MAP_GROWSDOWN`
`MAP_LOCKED`
`MAP_NORESERVE`
`PIO_CMAP`		IOCTL: Set colour palette on VGA+
`PIO_FONT`		IOCTL: Use font in expanded form.
`PIO_FONTRESET`		IOCTL: Reset to default font
`PIO_FONTX`		IOCTL: Set font in `consolefontdesc` record.
`PIO_SCRNMAP`		IOCTL: put screen mapping table in kernel
`PIO_UNIMAP`		IOCTL: put unicode-to-font mapping in kernel
`PIO_UNIMAPCLR`		IOCTL: clear table, possibly advise hash algorithm
`PIO_UNISCRNMAP`		IOCTL: set full Unicode screen mapping

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