Main socket header. More...

Detailed Description

Main socket header.

See also: The Open Group Base Specifications Issue 7, <sys/socket.h>

Omitted from original specification for now:

struct msghdr, struct cmesghdr, and struct linger and all related defines
getsockopt()/setsockopt() and all related defines.
shutdown() and all related defines.
sockatmark()

Author: Martine Lenders mlend.nosp@m.ers@.nosp@m.inf.f.nosp@m.u-be.nosp@m.rlin..nosp@m.de

Definition in file socket.h.

#include <stdalign.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/uio.h>
#include "architecture.h"
#include "net/af.h"
#include "sys/bytes.h"

Include dependency graph for socket.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	sockaddr
	Used to define the socket address. More...

struct	sockaddr_storage
	Implementation based socket address table. More...

Macros
#define	SOCKET_POOL_SIZE (4)
	Maximum number of sockets available on for creation with socket()

#define	SOCKET_TCP_QUEUE_SIZE (0)
	Maximum number of incoming TCP connections a listening socket can handle.

#define	SOCKADDR_MAX_DATA_LEN (26)
	Maximum data length for a socket address.

#define	SOL_SOCKET (-1)
	Options to be accessed at socket level, not protocol level.

Typedefs
typedef unsigned short	sa_family_t
	address family type

Functions
int	accept (int socket, struct sockaddr __restrict address, socklen_t __restrict address_len)
	Accept a new connection on a socket.

int	bind (int socket, const struct sockaddr *address, socklen_t address_len)
	Bind a name to a socket.

int	connect (int socket, const struct sockaddr *address, socklen_t address_len)
	Connect a socket.

int	getpeername (int socket, struct sockaddr __restrict address, socklen_t __restrict address_len)
	Get the name of the peer socket.

int	getsockname (int socket, struct sockaddr __restrict address, socklen_t __restrict address_len)
	Get the socket name.

int	listen (int socket, int backlog)
	Listen for socket connections and limit the queue of incoming connections.

ssize_t	recvfrom (int socket, void __restrict buffer, size_t length, int flags, struct sockaddr __restrict address, socklen_t *__restrict address_len)
	Receive a message from a socket.

static ssize_t	recv (int socket, void *buffer, size_t length, int flags)
	Receive a message from a connected socket.

ssize_t	sendto (int socket, const void buffer, size_t length, int flags, const struct sockaddr address, socklen_t address_len)
	Send a message on a socket.

static ssize_t	send (int socket, const void *buffer, size_t length, int flags)
	Send a message on a socket.

int	socket (int domain, int type, int protocol)
	Create an endpoint for communication.

Socket types
#define	SOCK_DGRAM (1)
	Datagram socket.

#define	SOCK_RAW (2)
	Raw socket.

#define	SOCK_SEQPACKET (3)
	Sequenced-packet socket.

#define	SOCK_STREAM (4)
	Stream socket.

Option names
Option names for getsockopt() and setsockopt()
#define	SO_ACCEPTCONN (0)
	Socket is accepting connections.

#define	SO_BROADCAST (1)
	Transmission of broadcast messages is supported.

#define	SO_DEBUG (2)
	Debugging information is being recorded.

#define	SO_DONTROUTE (3)
	Bypass normal routing.

#define	SO_ERROR (4)
	Socket error status.

#define	SO_KEEPALIVE (5)
	Connections are kept alive with periodic messages.

#define	SO_LINGER (6)
	Socket lingers on close.

#define	SO_OOBINLINE (7)
	Out-of-band data is transmitted in line.

#define	SO_RCVBUF (8)
	Receive buffer size.

#define	SO_RCVLOWAT (9)
	Receive "low water mark".

#define	SO_RCVTIMEO (10)
	Receive timeout.

#define	SO_REUSEADDR (11)
	Reuse of local addresses is supported.

#define	SO_SNDBUF (12)
	Send buffer size.

#define	SO_SNDLOWAT (13)
	Send "low water mark".

#define	SO_SNDTIMEO (14)
	Send timeout.

#define	SO_TYPE (15)
	Socket type.

static int	getsockopt (int socket, int level, int option_name, void option_value, socklen_t option_len)

int	setsockopt (int socket, int level, int option_name, const void *option_value, socklen_t option_len)

Detailed Description

Data Structures

Macros

Typedefs

Functions

Socket types

Option names