Unit 'Sockets'	Package
[Overview][Constants][Types][Procedures and functions][Index]	[#rtl]

Reference for unit 'Sockets': Constants

`AF_ALG`		Address family: Algorithm sockets.
`AF_APPLETALK`		Address family Appletalk DDP.
`AF_ASH`		Address family: Ash.
`AF_ATMPVC`		Address family: ATM PVCs.
`AF_ATMSVC`		Address family: ATM SVCs.
`AF_AX25`		Address family Amateur Radio AX.25.
`AF_BLUETOOTH`		Address family: Bluetooth sockets.
`AF_BRIDGE`		Address family Multiprotocol bridge.
`AF_CAIF`		Address family: CAIF (Application CPU interface) sockets.
`AF_CAN`		Address family: CAN (Controller Area Network) sockets.
`AF_DECnet`		Address family: Reserved for DECnet project.
`AF_ECONET`		Address family: Acorn Econet.
`AF_IB`		Address family: IB (Infiniband) sockets.
`AF_IEEE802154`		Address family: IEEE802154 sockets.
`AF_INET`		Address family Internet IP Protocol.
`AF_INET6`		Address family IP version 6.
`AF_IPX`		Address family Novell IPX.
`AF_IRDA`		Address family: IRDA sockets.
`AF_ISDN`		Address family: ?
`AF_IUCV`		Address family: IUCV (Inter User Communication Vehicle) sockets.
`AF_KCM`		Address family: KCM (Kernel Connection Multiplexor) sockets.
`AF_KEY`		Address family: PF_KEY key management API.
`AF_LLC`		Address family: Linux LLC.
`AF_LOCAL`		Address family: Unix socket.
`AF_MAX`		Address family Maximum value.
`AF_MPLS`		Address family: MPLS (Multiprotocol Label Switching) sockets.
`AF_NETBEUI`		Address family: Reserved for 802.2LLC project.
`AF_NETLINK`		Address family: ?
`AF_NETROM`		Address family Amateur radio NetROM.
`AF_NFC`		Address family: NFC (Near Field Communication) sockets.
`AF_PACKET`		Address family: Packet family.
`AF_PHONET`		Address family: Phonet sockets.
`AF_PPPOX`		Address family: PPPoX sockets.
`AF_QIPCRTR`		Address family: QIPCRTR (Qualcomm IPC Router) sockets.
`AF_RDS`		Address Family: RDS (Reliable Datagram Sockets) sockets.
`AF_ROSE`		Address family: Amateur Radio X.25 PLP.
`AF_ROUTE`		Address family: Alias to emulate 4.4BSD.
`AF_RXRPC`		Address family: RxRPC sockets.
`AF_SECURITY`		Address family: Security callback pseudo AF.
`AF_SMC`		Address family: SMC (Shared Memory Communication) sockets.
`AF_SNA`		Address family: Linux SNA project.
`AF_TIPC`		Address family: TIPC sockets.
`AF_UNIX`		Address family Unix domain sockets.
`AF_UNSPEC`		Address family Not specified.
`AF_VSOCK`		Address family: VSOCK (hypervisor) sockets.
`AF_WANPIPE`		Address family: Wanpipe API Sockets.
`AF_X25`		Address family Reserved for X.25 project.
`AF_XDP`		Address family: XDP (Express Data Path) sockets.
`EADDRINUSE`
`EADDRNOTAVAIL`
`EAFNOSUPPORT`
`EALREADY`
`ECONNABORTED`
`ECONNREFUSED`
`ECONNRESET`
`EDESTADDRREQ`
`EDQUOT`
`EHOSTDOWN`
`EHOSTUNREACH`
`EINPROGRESS`
`EINTR`
`EISCONN`
`ELOOP`
`EMSGSIZE`
`ENAMETOOLONG`
`ENETDOWN`
`ENETRESET`
`ENETUNREACH`
`ENOBUFS`
`ENOPROTOOPT`
`ENOTCONN`
`ENOTEMPTY`
`ENOTSOCK`
`EOPNOTSUPP`
`EPFNOSUPPORT`
`EPROTONOSUPPORT`
`EPROTOTYPE`
`EREMOTE`
`ESHUTDOWN`
`EsockADDRINUSE`		Error number when socket address is already in use.
`EsockEACCESS`		Access forbidden error.
`EsockEBADF`		Alias: bad file descriptor.
`EsockEFAULT`		Alias: an error occurred.
`EsockEINTR`		Alias : operation interrupted.
`EsockEINVAL`		Alias: Invalid value specified.
`EsockEMFILE`		Error code ?
`EsockEMSGSIZE`		Wrong message size error.
`EsockENOBUFS`		No buffer space available error.
`EsockENOTCONN`		Not connected error.
`EsockENOTSOCK`		File descriptor is not a socket error.
`EsockEPROTONOSUPPORT`		Protocol not supported error.
`EsockEWOULDBLOCK`		Operation would block error.
`ESOCKTNOSUPPORT`
`ESTALE`
`ETIMEDOUT`
`ETOOMANYREFS`
`EUSERS`
`EWOULDBLOCK`
`INADDR_ANY`		A bitmask matching any IP address on the local machine.
`INADDR_NONE`		A bitmask matching no valid IP address.
`IPPROTO_AH`		authentication header.
`IPPROTO_COMP`		Compression Header Protocol.
`IPPROTO_DSTOPTS`		IPv6 destination options.
`IPPROTO_EGP`		Exterior Gateway Protocol.
`IPPROTO_ENCAP`		Encapsulation Header.
`IPPROTO_ESP`		encapsulating security payload.
`IPPROTO_FRAGMENT`		IPv6 fragmentation header.
`IPPROTO_GRE`		General Routing Encapsulation.
`IPPROTO_HOPOPTS`		IPv6 Hop-by-Hop options.
`IPPROTO_ICMP`		Internet Control Message Protocol.
`IPPROTO_ICMPV6`		ICMPv6.
`IPPROTO_IDP`		XNS IDP protocol.
`IPPROTO_IGMP`		Internet Group Management Protocol.
`IPPROTO_IP`		Dummy protocol for TCP.
`IPPROTO_IPIP`		IPIP tunnels (older KA9Q tunnels use 94).
`IPPROTO_IPV6`		IPv6 header.
`IPPROTO_MAX`		Maximum value for IPPROTO options.
`IPPROTO_MTP`		Multicast Transport Protocol.
`IPPROTO_NONE`		IPv6 no next header.
`IPPROTO_PIM`		Protocol Independent Multicast.
`IPPROTO_PUP`		PUP protocol.
`IPPROTO_RAW`		Raw IP packets.
`IPPROTO_ROUTING`		IPv6 routing header.
`IPPROTO_RSVP`		Reservation Protocol.
`IPPROTO_SCTP`		Stream Control Transmission Protocol.
`IPPROTO_TCP`		Transmission Control Protocol.
`IPPROTO_TP`		SO Transport Protocol Class 4.
`IPPROTO_UDP`		User Datagram Protocol.
`IPV6_ADDRFORM`		Change the IPV6 address into a different address family. Deprecated.
`IPV6_ADD_MEMBERSHIP`		Undocumented Getsockopt option ?
`IPV6_AUTHHDR`		GetSockOpt/SetSockopt: Deliver authentication header messages.
`IPV6_CHECKSUM`		Undocumented Getsockopt option ?
`IPV6_DROP_MEMBERSHIP`		Undocumented Getsockopt option ?
`IPV6_DSTOPTS`		Deliver destination option control messages.
`IPV6_HOPLIMIT`		Deliver an integer containing the HOP count.
`IPV6_HOPOPTS`		Deliver hop option control messages.
`IPV6_IPSEC_POLICY`		Undocumented Getsockopt option ?
`IPV6_JOIN_ANYCAST`		Undocumented Getsockopt option ?
`IPV6_JOIN_GROUP`		GetSockOpt/SetSockopt: Control membership (join group) in multicast groups.
`IPV6_LEAVE_ANYCAST`		Undocumented Getsockopt option ?
`IPV6_LEAVE_GROUP`		GetSockOpt/SetSockopt: Control membership (leave group)in multicast groups.
`IPV6_MTU`		GetSockOpt/SetSockopt: Get/Set the MTU for the socket.
`IPV6_MTU_DISCOVER`		GetSockOpt/SetSockopt: Get/Set Control path MTU Discovery on the socket.
`IPV6_MULTICAST_HOPS`		GetSockOpt/SetSockopt: Get/Set the multicast hop limit.
`IPV6_MULTICAST_IF`		GetSockOpt/SetSockopt: Get/Set device for multicast packages on the socket.
`IPV6_MULTICAST_LOOP`		GetSockOpt/SetSockopt: Control whether socket sees multicast packages that it has sent itself.
`IPV6_NEXTHOP`		sendmsg: set next hop for IPV6 datagram.
`IPV6_PKTINFO`		Change delivery options for incoming IPV6 datagrams.
`IPV6_PKTOPTIONS`		Undocumented Getsockopt option ?
`IPV6_PMTUDISC_DO`		Always DF.
`IPV6_PMTUDISC_DONT`		Never send DF frames.
`IPV6_PMTUDISC_WANT`		Use per route hints.
`IPV6_RECVERR`		GetSockOpt/SetSockopt: Control receiving of asynchronous error options.
`IPV6_ROUTER_ALERT`		GetSockOpt/SetSockopt: Get/Set Pass all forwarded packets containing router alert option.
`IPV6_RTHDR`		Deliver routing header control messages.
`IPV6_RTHDR_LOOSE`		Hop doesn't need to be neighbour.
`IPV6_RTHDR_STRICT`		Hop must be a neighbour.
`IPV6_RTHDR_TYPE_0`		IPv6 Routing header type 0.
`IPV6_RXDSTOPTS`		Undocumented Getsockopt option ?
`IPV6_RXHOPOPTS`		Undocumented Getsockopt option ?
`IPV6_RXSRCRT`		Undocumented Getsockopt option ?
`IPV6_UNICAST_HOPS`		GetSockOpt/SetSockopt: Get/Set unicast hop limit.
`IPV6_V6ONLY`		GetSockOpt/SetSockopt: Handle IPV6 connections only.
`IPV6_XFRM_POLICY`		Undocumented Getsockopt option ?
`IPX_TYPE`		IPX type.
`IP_ADD_MEMBERSHIP`		add an IP group membership.
`IP_ADD_SOURCE_MEMBERSHIP`		join source group.
`IP_BLOCK_SOURCE`		block data from source.
`IP_DEFAULT_MULTICAST_LOOP`		Undocumented ?
`IP_DEFAULT_MULTICAST_TTL`		Undocumented ?
`IP_DROP_MEMBERSHIP`		drop an IP group membership.
`IP_DROP_SOURCE_MEMBERSHIP`		leave source group.
`IP_HDRINCL`		Header is included with data.
`IP_MAX_MEMBERSHIPS`		Maximum group memberships for multicast messages.
`IP_MSFILTER`		Undocumented ?
`IP_MTU_DISCOVER`		Undocumented ?
`IP_MULTICAST_IF`		set/get IP multicast i/f.
`IP_MULTICAST_LOOP`		set/get IP multicast loopback.
`IP_MULTICAST_TTL`		set/get IP multicast ttl.
`IP_OPTIONS`		IP per-packet options.
`IP_PKTINFO`		Undocumented ?
`IP_PKTOPTIONS`		Undocumented ?
`IP_PMTUDISC`		Undocumented ?
`IP_PMTUDISC_DO`		Always DF.
`IP_PMTUDISC_DONT`		Never send DF frames.
`IP_PMTUDISC_WANT`		Use per route hints.
`IP_RECVERR`		Undocumented ?
`IP_RECVOPTS`		Receive all IP options w/datagram.
`IP_RECVRETOPTS`		Receive IP options for response.
`IP_RECVTOS`		Undocumented ?
`IP_RECVTTL`		Undocumented ?
`IP_RETOPTS`		Set/get IP per-packet options.
`IP_ROUTER_ALERT`		Undocumented ?
`IP_TOS`		IP type of service and precedence.
`IP_TTL`		IP time to live.
`IP_UNBLOCK_SOURCE`		unblock data from source.
`MCAST_BLOCK_SOURCE`		block from given group.
`MCAST_EXCLUDE`		Undocumented ?
`MCAST_INCLUDE`		Undocumented ?
`MCAST_JOIN_GROUP`		join any-source group.
`MCAST_JOIN_SOURCE_GROUP`		join source-spec gruoup.
`MCAST_LEAVE_GROUP`		leave any-source group.
`MCAST_LEAVE_SOURCE_GROUP`		leave source-spec group.
`MCAST_MSFILTER`		Undocumented ?
`MCAST_UNBLOCK_SOURCE`		unblock from given group.
`MSG_BATCH`		sendmmsg: more messages coming.
`MSG_CMSG_CLOEXEC`		Set close_on_exec for file descriptor received through SCM_RIGHTS.
`MSG_CMSG_COMPAT`		This message needs 32 bit fixups.
`MSG_CONFIRM`		Send flags: Conform connection.
`MSG_CTRUNC`		Receive flags: Control Data was discarded (buffer too small).
`MSG_DONTROUTE`		Send flags: don't use gateway.
`MSG_DONTWAIT`		Receive flags: Non-blocking operation request.
`MSG_EOF`		Alias for `MSG_FIN`.
`MSG_EOR`		Receive flags: End of record.
`MSG_ERRQUERE`		Receive flags: ?
`MSG_FASTOPEN`		Send data in TCP SYN.
`MSG_FIN`		Receive flags: ?
`MSG_MORE`		Receive flags: ?
`MSG_NOSIGNAL`		Receive flags: Suppress SIG_PIPE signal.
`MSG_NO_SHARED_FRAGS`		sendpage internal : page frags are not shared.
`MSG_OOB`		Receive flags: receive out-of-band data.
`MSG_PEEK`		Receive flags: peek at data, don't remove from buffer.
`MSG_PROBE`		Do not send. Only probe path f.e. for MTU.
`MSG_PROXY`		Receive flags: ?
`MSG_RST`		Receive flags: ?
`MSG_SENDPAGE_DECRYPTED`		sendpage() internal : page may carry plain text and require encryption.
`MSG_SENDPAGE_NOPOLICY`		sendpage internal : do not apply policy.
`MSG_SENDPAGE_NOTLAST`		sendpage internal : not the last page.
`MSG_SYN`		Receive flags: ?
`MSG_TRUNC`		Receive flags: packet Data was discarded (buffer too small).
`MSG_TRYHARD`		Receive flags: ?
`MSG_WAITALL`		Receive flags: Wait till operation completed.
`MSG_WAITFORONE`		recvmmsg(): block until 1+ packets avail.
`MSG_ZEROCOPY`		Use user data in kernel path.
`NoAddress`		Constant indicating invalid (no) network address.
`NoAddress6`		Constant indicating invalid (no) IPV6 network address.
`NoNet`		Constant indicating invalid (no) network address.
`NoNet6`		Constant indicating invalid (no) IPV6 network address.
`PF_ALG`		Protocol family: Algorithm sockets.
`PF_APPLETALK`		Protocol family: Appletalk DDP.
`PF_ASH`		Protocol family: Ash.
`PF_ATMPVC`		Protocol family: ATM PVCs.
`PF_ATMSVC`		Protocol family: ATM SVCs.
`PF_AX25`		Protocol family: Amateur Radio AX.25.
`PF_BLUETOOTH`		Protocol family: Bluetooth sockets.
`PF_BRIDGE`		Protocol family: Multiprotocol bridge.
`PF_CAIF`		Protocol family: CAIF (Application CPU interface) sockets.
`PF_CAN`		Protocol family: CAN (Controller Area Network) sockets.
`PF_DECnet`		Protocol Family: DECNET project.
`PF_ECONET`		Protocol family: Acorn Econet.
`PF_IB`		Protocol family: IB (InfiniBand) sockets.
`PF_IEEE802154`		Protocol family: IEEE802154 sockets.
`PF_INET`		Protocol family: Internet IP Protocol.
`PF_INET6`		Protocol family: IP version 6.
`PF_IPX`		Protocol family: Novell IPX.
`PF_IRDA`		Protocol family: IRDA sockets.
`PF_ISDN`		Protocol Family: ?
`PF_IUCV`		Protocol family: IUCV (Inter User Communication Vehicle) sockets.
`PF_KCM`		Protocol family: KCM (Kernel Connection Multiplexor) sockets.
`PF_KEY`		Protocol family: Key management API.
`PF_LLC`		Protocol family: Linux LLC.
`PF_LOCAL`		Protocol family: Unix socket.
`PF_MAX`		Protocol family: Maximum value.
`PF_MPLS`		Protocol family: MPLS (Multiprotocol Label Switching.
`PF_NETBEUI`		Protocol family: Reserved for 802.2LLC project.
`PF_NETLINK`		Protocol family: ?
`PF_NETROM`		Protocol family:Amateur radio NetROM.
`PF_NFC`		Protocol family: NFC (Near Field Communication) sockets.
`PF_PACKET`		Protocol family: Packet family.
`PF_PHONET`		Protocol family: RxRPC sockets.
`PF_PPPOX`		Protocol family: PPPoX sockets.
`PF_QIPCRTR`		Protocol family: IPCRTR (Qualcomm IPC Router) sockets.
`PF_RDS`		Protocol family: RDS (Reliable Datagram Sockets) sockets.
`PF_ROSE`		Protocol family: Amateur Radio X.25 PLP.
`PF_ROUTE`		Protocol Family: ?
`PF_RXRPC`		Protocol family: RxRPC sockets.
`PF_SECURITY`		Protocol family: Security callback pseudo PF.
`PF_SMC`		Protocol family: SMC (Shared Memory Communication) sockets.
`PF_SNA`		Protocol Family: Linux SNA project.
`PF_TIPC`		Protocol family: TIPC sockets.
`PF_UNIX`		Protocol family: Unix domain sockets.
`PF_UNSPEC`		Protocol family: Unspecified.
`PF_VSOCK`		Protocol family: VSOCK (hypervisor) sockets.
`PF_WANPIPE`		Protocol family: Wanpipe API Sockets.
`PF_X25`		Protocol family: Reserved for X.25 project.
`PF_XDP`		Protocol family: XDP (Express Data Path) sockets.
`SCM_CREDENTIALS`		socket control messages : credentials.
`SCM_RIGHTS`		socket control messages : access rights.
`SCM_SECURITY`		socket control messages : security label.
`SCM_SRCRT`		Undocumented Getsockopt option ?
`SCM_TIMESTAMP`		Socket option: ?
`SHUT_RD`		Shutdown read part of full duplex socket.
`SHUT_RDWR`		Shutdown read and write part of full duplex socket.
`SHUT_WR`		Shutdown write part of full duplex socket.
`SOCK_DGRAM`		Type of socket: datagram (conn.less) socket (UDP).
`SOCK_MAXADDRLEN`		Maximum socket address length for Bind call.
`SOCK_RAW`		Type of socket: raw socket.
`SOCK_RDM`		Type of socket: reliably-delivered message.
`SOCK_SEQPACKET`		Type of socket: sequential packet socket.
`SOCK_STREAM`		Type of socket: stream (connection) type socket (TCP).
`SOL_AAL`		Socket level: AAL.
`SOL_ALG`		Socket level: Algorithm socket.
`SOL_ATALK`		Socket level: Apple talk.
`SOL_ATM`		Socket level: ATM.
`SOL_AX25`		Socket level: AX25.
`SOL_BLUETOOTH`		Socket level: BlueTooth.
`SOL_CAIF`		Socket level: CAIF (Application CPU interface).
`SOL_DCCP`		Socket level: DCCP.
`SOL_DECNET`		Socket level: DECnet.
`SOL_ICMPV6`		Socket level values for IPv6: ICMPV6.
`SOL_IP`		Undocumented ?
`SOL_IPV6`		Socket level values for IPv6: IPV6.
`SOL_IPX`		Socket level: IPX.
`SOL_IRDA`		Socket level: IRDA.
`SOL_IUCV`		Socket level: IUCV (Inter User Communication Vehicle).
`SOL_KCM`		Socket level: KCM (Kernel Connection Multiplexor) sockets.
`SOL_LLC`		Socket level: LLC.
`SOL_NETBEUI`		Socket level: NETBEUI.
`SOL_NETLINK`		Socket level: NETLink.
`SOL_NETROM`		Socket level: Net ROM.
`SOL_NFC`		Socket level: NFC (Near Field Communication) socket.
`SOL_PACKET`		Socket level: Packet.
`SOL_PNPIPE`		Socket level: PNPIPE.
`SOL_PPPOL2TP`		Socket level: PPPOL2TP.
`SOL_RAW`		Socket level: raw socket.
`SOL_RDS`		Socket level: RDS (Reliable Datagram Socket).
`SOL_ROSE`		Socket level: ROSE.
`SOL_RXRPC`		Socket level: RxRPC.
`SOL_SCTP`		Socket level: SCTP.
`SOL_SOCKET`		Socket option level: Socket level.
`SOL_TCP`		Socket level: TCP.
`SOL_TIPC`		Socket level: TIPC.
`SOL_TLS`		Socket level: TLS.
`SOL_UDP`		Socket level: UDP.
`SOL_UDPLITE`		Socket level: UDP Lite.
`SOL_X25`		Socket level: X25.
`SOL_XDP`		Socket level: XDP (Express Data Path) sockets.
`SOMAXCONN`		Maximum queue length specifiable by listen.
`SO_ACCEPTCONN`		Socket option: ?
`SO_ATTACH_FILTER`		Socket option: ?
`SO_BINDTODEVICE`		Socket option: ?
`SO_BROADCAST`		Socket option: Broadcast.
`SO_BSDCOMPAT`		Socket option: ?
`SO_DEBUG`		Socket option level: debug.
`SO_DETACH_FILTER`		Socket option: ?
`SO_DONTROUTE`		Socket option: Don't route.
`SO_ERROR`		Socket option: Error.
`SO_KEEPALIVE`		Socket option: keep alive.
`SO_LINGER`		Socket option: ?
`SO_NO_CHECK`		Socket option: ?
`SO_OOBINLINE`		Socket option: ?
`SO_PASSCRED`		Socket option: ?
`SO_PEERCRED`		Socket option: ?
`SO_PEERNAME`		Socket option: ?
`SO_PRIORITY`		Socket option: ?
`SO_RCVBUF`		Socket option: receive buffer.
`SO_RCVLOWAT`		Socket option: ?
`SO_RCVTIMEO`		Socket option: ?
`SO_REUSEADDR`		Socket option: Reuse address.
`SO_REUSEPORT`		Socket Option : reuse port.
`SO_SECURITY_AUTHENTICATION`		Socket option: ?
`SO_SECURITY_ENCRYPTION_NETWORK`		Socket option: ?
`SO_SECURITY_ENCRYPTION_TRANSPORT`		Socket option: ?
`SO_SNDBUF`		Socket option: Send buffer.
`SO_SNDLOWAT`		Socket option: ?
`SO_SNDTIMEO`		Socket option: ?
`SO_TIMESTAMP`		Socket option: ?
`SO_TYPE`		Socket option: Type.
`S_IN`		Input socket in socket pair.
`S_OUT`		Output socket in socket pair.
`TCP_CONGESTION`		Get/set the congestion-control algorithm for this socket.
`TCP_CORK`		Get/Set CORK algorithm: Send only complete packets.
`TCP_DEFER_ACCEPT`		Get/Set deferred accept on server socket.
`TCP_INFO`		Get TCP connection information (Linux only).
`TCP_KEEPCNT`		Get/Set retry count for unacknowledged KEEPALIVE transmissions.
`TCP_KEEPIDLE`		Get/Set inactivity interval between KEEPALIVE transmissions.
`TCP_KEEPINTVL`		Get/Set retry interval for unacknowledged KEEPALIVE transmissions.
`TCP_LINGER2`		Get/Set Linger2 flag.
`TCP_MAXSEG`		Get/Set Maximum segment size.
`TCP_MD5SIG`		Get/Set TCP MD5 signature option.
`TCP_NODELAY`		Get/Set No delay flag: disable Nagle algorithm.
`TCP_QUICKACK`		Get/Set quick ACK packet option.
`TCP_SYNCNT`		Get/Set number of SYN packets to send before giving up on connection establishment.
`TCP_WINDOW_CLAMP`		Get/Set maximum packet size.
`UDP_CORK`		Get/Set UDP CORK algorithm on datagram sockets.
`UDP_ENCAP`		Get/Set UDP encapsulation flag for IPSec datagram sockets.
`UDP_ENCAP_ESPINUDP`		? Undocumented datagram option, IPSec related.
`UDP_ENCAP_ESPINUDP_NON_IKE`		? Undocumented datagram option, IPSec related.
`UDP_ENCAP_L2TPINUDP`		? Undocumented datagram option, IPSec related.