Macros
#define	SO_ACCEPTCONN 1
	Socket is accepting connections (get) More...

#define	SO_BROADCAST 2
	Support broadcasting (get/set) More...

#define	SO_DEBUG 3
	Record debugging info (get/set) More...

#define	SO_DONTROUTE 4
	Do not route packets (get/set) More...

#define	SO_ERROR 5
	Retrieve error status (get) More...

#define	SO_KEEPALIVE 6
	Send keepalive messages (get/set) More...

#define	SO_LINGER 7
	Socket lingers on close (get/set) More...

#define	SO_OOBINLINE 8
	OOB data is inline (get/set) More...

#define	SO_RCVBUF 9
	Receive buffer size (get/set) More...

#define	SO_RCVLOWAT 10
	Receive low-water mark (get/set) More...

#define	SO_RCVTIMEO 11
	Receive timeout value (get/set) More...

#define	SO_REUSEADDR 12
	Reuse local addresses (get/set) More...

#define	SO_SNDBUF 13
	Send buffer size (get/set) More...

#define	SO_SNDLOWAT 14
	Send low-water mark (get/set) More...

#define	SO_SNDTIMEO 15
	Send timeout value (get/set) More...

#define	SO_TYPE 16
	Socket type (get) More...

Detailed Description

These are the various socket-level options that can be accessed with the setsockopt() and getsockopt() functions for the SOL_SOCKET level value.

Not all of these are currently supported, but they are listed for completeness.

See also: IPv6 protocol level options; IPv4 protocol level options; UDP protocol level options

Macro Definition Documentation

#define SO_ACCEPTCONN 1

Socket is accepting connections (get)

#define SO_BROADCAST 2

Support broadcasting (get/set)

#define SO_DEBUG 3

Record debugging info (get/set)

#define SO_DONTROUTE 4

Do not route packets (get/set)

#define SO_ERROR 5

Retrieve error status (get)

#define SO_KEEPALIVE 6

Send keepalive messages (get/set)

#define SO_LINGER 7

Socket lingers on close (get/set)

#define SO_OOBINLINE 8

OOB data is inline (get/set)

#define SO_RCVBUF 9

Receive buffer size (get/set)

#define SO_RCVLOWAT 10

Receive low-water mark (get/set)

#define SO_RCVTIMEO 11

Receive timeout value (get/set)

#define SO_REUSEADDR 12

Reuse local addresses (get/set)

#define SO_SNDBUF 13

Send buffer size (get/set)

#define SO_SNDLOWAT 14

Send low-water mark (get/set)

#define SO_SNDTIMEO 15

Send timeout value (get/set)

#define SO_TYPE 16

Socket type (get)