| getsockopt.2 (302408) | getsockopt.2 (338617) |
|---|---|
| 1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 12 unchanged lines hidden (view full) --- 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)getsockopt.2 8.4 (Berkeley) 5/2/95 | 1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 12 unchanged lines hidden (view full) --- 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)getsockopt.2 8.4 (Berkeley) 5/2/95 |
| 29.\" $FreeBSD: stable/11/lib/libc/sys/getsockopt.2 249166 2013-04-05 18:09:43Z gnn $ | 29.\" $FreeBSD: stable/11/lib/libc/sys/getsockopt.2 338617 2018-09-12 18:52:18Z sobomax $ |
| 30.\" 31.Dd April 5, 2013 32.Dt GETSOCKOPT 2 33.Os 34.Sh NAME 35.Nm getsockopt , 36.Nm setsockopt 37.Nd get and set options on sockets --- 144 unchanged lines hidden (view full) --- 182.Fx : 183.Bl -column SO_LISTENINCQLEN -offset indent 184.It Dv SO_LABEL Ta "get MAC label of the socket (get only)" 185.It Dv SO_PEERLABEL Ta "get socket's peer's MAC label (get only)" 186.It Dv SO_LISTENQLIMIT Ta "get backlog limit of the socket (get only)" 187.It Dv SO_LISTENQLEN Ta "get complete queue length of the socket (get only)" 188.It Dv SO_LISTENINCQLEN Ta "get incomplete queue length of the socket (get only)" 189.It Dv SO_USER_COOKIE Ta "set the 'so_user_cookie' value for the socket (uint32_t, set only)" | 30.\" 31.Dd April 5, 2013 32.Dt GETSOCKOPT 2 33.Os 34.Sh NAME 35.Nm getsockopt , 36.Nm setsockopt 37.Nd get and set options on sockets --- 144 unchanged lines hidden (view full) --- 182.Fx : 183.Bl -column SO_LISTENINCQLEN -offset indent 184.It Dv SO_LABEL Ta "get MAC label of the socket (get only)" 185.It Dv SO_PEERLABEL Ta "get socket's peer's MAC label (get only)" 186.It Dv SO_LISTENQLIMIT Ta "get backlog limit of the socket (get only)" 187.It Dv SO_LISTENQLEN Ta "get complete queue length of the socket (get only)" 188.It Dv SO_LISTENINCQLEN Ta "get incomplete queue length of the socket (get only)" 189.It Dv SO_USER_COOKIE Ta "set the 'so_user_cookie' value for the socket (uint32_t, set only)" |
| 190.It Dv SO_TS_CLOCK Ta "set specific format of timestamp returned by SO_TIMESTAMP" |
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| 190.El 191.Pp 192.Dv SO_DEBUG 193enables debugging in the underlying protocol modules. 194.Pp 195.Dv SO_REUSEADDR 196indicates that the rules used in validating addresses supplied 197in a --- 232 unchanged lines hidden (view full) --- 430for 431.Dv SO_TIMESTAMP 432and 433.Vt "struct bintime" 434for 435.Dv SO_BINTIME . 436The 437.Vt cmsghdr | 191.El 192.Pp 193.Dv SO_DEBUG 194enables debugging in the underlying protocol modules. 195.Pp 196.Dv SO_REUSEADDR 197indicates that the rules used in validating addresses supplied 198in a --- 232 unchanged lines hidden (view full) --- 431for 432.Dv SO_TIMESTAMP 433and 434.Vt "struct bintime" 435for 436.Dv SO_BINTIME . 437The 438.Vt cmsghdr |
| 438fields have the following values for TIMESTAMP: | 439fields have the following values for TIMESTAMP by default: |
| 439.Bd -literal 440 cmsg_len = CMSG_LEN(sizeof(struct timeval)); 441 cmsg_level = SOL_SOCKET; 442 cmsg_type = SCM_TIMESTAMP; 443.Ed 444.Pp 445and for 446.Dv SO_BINTIME : 447.Bd -literal 448 cmsg_len = CMSG_LEN(sizeof(struct bintime)); 449 cmsg_level = SOL_SOCKET; 450 cmsg_type = SCM_BINTIME; 451.Ed 452.Pp | 440.Bd -literal 441 cmsg_len = CMSG_LEN(sizeof(struct timeval)); 442 cmsg_level = SOL_SOCKET; 443 cmsg_type = SCM_TIMESTAMP; 444.Ed 445.Pp 446and for 447.Dv SO_BINTIME : 448.Bd -literal 449 cmsg_len = CMSG_LEN(sizeof(struct bintime)); 450 cmsg_level = SOL_SOCKET; 451 cmsg_type = SCM_BINTIME; 452.Ed 453.Pp |
| 454Additional timestamp types are available by following 455.Dv SO_TIMESTAMP 456with 457.Dv SO_TS_CLOCK , 458which requests specific timestamp format to be returned instead of 459.Dv SCM_TIMESTAMP when 460.Dv SO_TIMESTAMP is enabled. 461The following 462.Dv SO_TS_CLOCK 463values are recognized in 464.Fx : 465.Bl -column SO_TS_CLOCK -offset indent 466.It Dv SO_TS_REALTIME_MICRO Ta "realtime (SCM_TIMESTAMP, struct timeval), default" 467.It Dv SO_TS_BINTIME Ta "realtime (SCM_BINTIME, struct bintime)" 468.It Dv SO_TS_REALTIME Ta "realtime (SCM_REALTIME, struct timespec)" 469.It Dv SO_TS_MONOTONIC Ta "monotonic time (SCM_MONOTONIC, struct timespec)" 470.El 471.Pp |
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| 453.Dv SO_ACCEPTCONN , 454.Dv SO_TYPE , 455.Dv SO_PROTOCOL 456(and its alias 457.Dv SO_PROTOTYPE ) 458and 459.Dv SO_ERROR 460are options used only with --- 92 unchanged lines hidden --- | 472.Dv SO_ACCEPTCONN , 473.Dv SO_TYPE , 474.Dv SO_PROTOCOL 475(and its alias 476.Dv SO_PROTOTYPE ) 477and 478.Dv SO_ERROR 479are options used only with --- 92 unchanged lines hidden --- |