Reference for unit 'Linux': Constants

`CAP_AUDIT_CONTROL`		Allow manipulation of kernel auditing features
`CAP_AUDIT_WRITE`		Allow writing to kernel audit log
`CAP_CHOWN`		Perform chown operation
`CAP_DAC_OVERRIDE`		Bypass file operation (rwx) checks
`CAP_DAC_READ_SEARCH`		Bypass file read-only operation checks
`CAP_FOWNER`		Bypass owner ID checks
`CAP_FSETID`		Do not clear SUID/GUID bits on modified files
`CAP_FS_MASK`		?
`CAP_IPC_LOCK`		Allow memory locking calls
`CAP_IPC_OWNER`		Bypass permission checks on IPC operations
`CAP_KILL`		Bypass permission checks for sending signals
`CAP_LEASE`		Allow file leases
`CAP_LINUX_IMMUTABLE`		Allow setting ext2 file attributes
`CAP_MKNOD`		Allow creation of special files through mknod calls
`CAP_NET_ADMIN`		Allow network operations (e.g. setting socket options)
`CAP_NET_BIND_SERVICE`		Allow binding to ports less than 1024
`CAP_NET_BROADCAST`		Allow socket broadcast operations
`CAP_NET_RAW`		Allow use of RAW and PACKET sockets
`CAP_SETGID`		Allow GID manipulations
`CAP_SETPCAP`		Allow to set other process' capabilities
`CAP_SETUID`		Allow process ID manipulations
`CAP_SYS_ADMIN`		Allow various system administration calls
`CAP_SYS_BOOT`		Allow reboot calls
`CAP_SYS_CHROOT`		Allow chroot calls.
`CAP_SYS_MODULE`		Allow loading/unloading of kernel modules
`CAP_SYS_NICE`		Allowing raising process and thread priorities
`CAP_SYS_PACCT`		Allow acct calls
`CAP_SYS_PTRACE`		Allow ptrace calls
`CAP_SYS_RAWIO`		Allow raw I/O port operations
`CAP_SYS_RESOURCE`		Allow use of special resources or raising of resource limits
`CAP_SYS_TIME`		Allow system or real-time clock modification
`CAP_SYS_TTY_CONFIG`		Allow vhangup calls
`CLOCKS_MASK`		Mask for supported clocks
`CLOCKS_MONO`		Monotonic clocks mask
`CLOCK_MONOTONIC`		Monotonic system time since some undetermined start point. Can change if time is set.
`CLOCK_MONOTONIC_COARSE`		Less precise (but faster) version of `CLOCK_MONOTONIC`
`CLOCK_MONOTONIC_RAW`		Like `CLOCK_MONOTONIC`, not subject to NTP adjustments
`CLOCK_PROCESS_CPUTIME_ID`		Processs-specific high-resolution timer from the CPU.
`CLOCK_REALTIME`		System wide real-time clock. Can only be set by root.
`CLOCK_REALTIME_COARSE`		Less precise (but faster) version of `CLOCK_REALTIME`
`CLOCK_SGI_CYCLE`		High resolution timer
`CLOCK_THREAD_CPUTIME_ID`		Thread-specific high-resolution timer from the CPU.
`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 (file system) 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`		`event_wait` error condition on file descriptor
`EPOLLET`		Set `event_wait` edge trigger behaviour on file descriptor
`EPOLLHUP`		`event_wait` hang up event
`EPOLLIN`		`event_wait` input file descriptor ready event
`EPOLLONESHOT`		Set single-shot behaviour on `epoll_wait`.
`EPOLLOUT`		`event_wait` output file descriptor ready event
`EPOLLPRI`		`event_wait` high 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 color 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
`IN_ACCESS`		Data was read from file.
`IN_ALL_EVENTS`		All possible events OR-ed together.
`IN_ATTRIB`		File attributes changed.
`IN_CLOEXEC`		Inotify close on exec flag.
`IN_CLOSE`		File was closed (read or write)
`IN_CLOSE_NOWRITE`		File opened for read was closed
`IN_CLOSE_WRITE`		File opened for write was closed
`IN_CREATE`		A file was created in the directory.
`IN_DELETE`		A file was deleted from the directory.
`IN_DELETE_SELF`		Directory or file under observation was deleted.
`IN_DONT_FOLLOW`		Do not follow symlinks
`IN_IGNORED`		Watch was ignored (removed). Only reported.
`IN_ISDIR`		Event subject is a directory (reported only)
`IN_MASK_ADD`		Add events to existing watch (OR-ing the sets) if one exists.
`IN_MODIFY`		Data was written to file.
`IN_MOVE`		File was moved (in or out of directory)
`IN_MOVED_FROM`		File was moved away from watched directory
`IN_MOVED_TO`		File was moved into watched directory
`IN_MOVE_SELF`		Directory or file under observation was moved.
`IN_NONBLOCK`		Do not block on read
`IN_ONESHOT`		Only report one event, then remove the watch.
`IN_ONLYDIR`		Only watch filename if it is a directory.
`IN_OPEN`		File was opened
`IN_Q_OVERFLOW`		Queue overflowed. Only reported.
`IN_UNMOUNT`		File system on which file resides was unmounted. Only reported.
`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
`LINUX_CAPABILITY_VERSION`		Current capability version in use by kernel
`MAP_DENYWRITE`		Read-only
`MAP_EXECUTABLE`		Memory area is marked as executable
`MAP_GROWSDOWN`		Memory map grows down, like stack
`MAP_LOCKED`		Memory pages are locked
`MAP_NORESERVE`		Do not check for reservations
`MAX_CLOCKS`		Maximum number of clocks in the system
`O_CLOEXEC`		Close on exec flag: close file handle on exec call
`PIO_CMAP`		IOCTL: Set color 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
`POLLMSG`		Unused in Linux
`POLLRDHUP`		Peer Shutdown/closed writing half of connection
`POLLREMOVE`		Undocumented Linux extension of Poll
`SPLICE_F_GIFT`		Pages spliced in are a gift
`SPLICE_F_MORE`		Expect more data
`SPLICE_F_MOVE`		Move pages instead of copying
`SPLICE_F_NONBLOCK`		Don't block on pipe splicing operations
`SYNC_FILE_RANGE_WAIT_AFTER`		Wait upon write-out of specified pages in the range after performing any write.
`SYNC_FILE_RANGE_WAIT_BEFORE`		Wait for write-out of previously-submitted specified pages before writing more data.
`SYNC_FILE_RANGE_WRITE`		Initiate write of all dirty pages in the specified range.