socket.h File Reference

POSIX socket API (<sys/socket.h>) More...

#include <sys/types.h>
#include <zephyr/net/socket.h>

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Data Structures
struct	linger
	Socket linger option structure. More...

Macros
#define	SHUT_RD   ZSOCK_SHUT_RD
	Shut down the read half of the connection.
#define	SHUT_WR   ZSOCK_SHUT_WR
	Shut down the write half of the connection.
#define	SHUT_RDWR   ZSOCK_SHUT_RDWR
	Shut down both halves of the connection.
#define	MSG_PEEK   ZSOCK_MSG_PEEK
	Peek at incoming data without removing it from the queue.
#define	MSG_TRUNC   ZSOCK_MSG_TRUNC
	Return the real length of the datagram even if it was truncated.
#define	MSG_DONTWAIT   ZSOCK_MSG_DONTWAIT
	Enable non-blocking operation for this call only.
#define	MSG_WAITALL   ZSOCK_MSG_WAITALL
	Block until all requested data has been received.
#define	_SOCKLEN_T_DECLARED
#define	__socklen_t_defined

Typedefs
typedef uint32_t	socklen_t
	Type for socket address length values.

Functions
int	accept (int sock, struct sockaddr *addr, socklen_t *addrlen)
	Accept a new connection on a listening socket.
int	bind (int sock, const struct sockaddr *addr, socklen_t addrlen)
	Assign a local address to a socket.
int	connect (int sock, const struct sockaddr *addr, socklen_t addrlen)
	Initiate a connection on a socket.
int	getpeername (int sock, struct sockaddr *addr, socklen_t *addrlen)
	Get the address of the peer connected to a socket.
int	getsockname (int sock, struct sockaddr *addr, socklen_t *addrlen)
	Get the local address bound to a socket.
int	getsockopt (int sock, int level, int optname, void *optval, socklen_t *optlen)
	Get socket options.
int	listen (int sock, int backlog)
	Mark a socket as passive (ready to accept connections).
ssize_t	recv (int sock, void *buf, size_t max_len, int flags)
	Receive data from a connected socket.
ssize_t	recvfrom (int sock, void *buf, size_t max_len, int flags, struct sockaddr *src_addr, socklen_t *addrlen)
	Receive data and the sender's address from a socket.
ssize_t	recvmsg (int sock, struct msghdr *msg, int flags)
	Receive a message (with scatter-gather I/O and ancillary data).
ssize_t	send (int sock, const void *buf, size_t len, int flags)
	Send data on a connected socket.
ssize_t	sendmsg (int sock, const struct msghdr *message, int flags)
	Send a message (with scatter-gather I/O and ancillary data).
ssize_t	sendto (int sock, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen)
	Send data to a specific destination address.
int	setsockopt (int sock, int level, int optname, const void *optval, socklen_t optlen)
	Set socket options.
int	shutdown (int sock, int how)
	Shut down part or all of a full-duplex connection.
int	sockatmark (int s)
	Determine whether a socket is at the out-of-band mark.
int	socket (int family, int type, int proto)
	Create a new socket.
int	socketpair (int family, int type, int proto, int sv[2])
	Create a pair of connected sockets.

Detailed Description

POSIX socket API (<sys/socket.h>)

Provides the BSD socket interface: creating sockets, binding, connecting, sending, receiving, and socket options.

See also

POSIX.1-2017 <sys/socket.h>

Definition in file socket.h.

Macro Definition Documentation

__socklen_t_defined

#define __socklen_t_defined

Definition at line 50 of file socket.h.

_SOCKLEN_T_DECLARED

#define _SOCKLEN_T_DECLARED

Definition at line 49 of file socket.h.