| send.2 (131365) | send.2 (131504) |
|---|---|
| 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. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" From: @(#)send.2 8.2 (Berkeley) 2/21/94 | 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. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" From: @(#)send.2 8.2 (Berkeley) 2/21/94 |
| 33.\" $FreeBSD: head/lib/libc/sys/send.2 131365 2004-06-30 20:09:10Z ru $ | 33.\" $FreeBSD: head/lib/libc/sys/send.2 131504 2004-07-02 23:52:20Z ru $ |
| 34.\" 35.Dd February 15, 1995 36.Dt SEND 2 37.Os 38.Sh NAME 39.Nm send , 40.Nm sendto , 41.Nm sendmsg --- 136 unchanged lines hidden (view full) --- 178.It Bq Er ENOBUFS 179The output queue for a network interface was full. 180This generally indicates that the interface has stopped sending, 181but may be caused by transient congestion. 182.It Bq Er EHOSTUNREACH 183The remote host was unreachable. 184.It Bq Er ECONNREFUSED 185The socket received an ICMP destination unreachable message | 34.\" 35.Dd February 15, 1995 36.Dt SEND 2 37.Os 38.Sh NAME 39.Nm send , 40.Nm sendto , 41.Nm sendmsg --- 136 unchanged lines hidden (view full) --- 178.It Bq Er ENOBUFS 179The output queue for a network interface was full. 180This generally indicates that the interface has stopped sending, 181but may be caused by transient congestion. 182.It Bq Er EHOSTUNREACH 183The remote host was unreachable. 184.It Bq Er ECONNREFUSED 185The socket received an ICMP destination unreachable message |
| 186from the last message sent. This typically means that the | 186from the last message sent. 187This typically means that the |
| 187receiver is not listening on the remote port. 188.It Bq Er EHOSTDOWN 189The remote host was down. 190.It Bq Er ENETDOWN 191The remote network was down. 192.It Bq Er EPERM 193The process using a 194.Dv SOCK_RAW --- 14 unchanged lines hidden (view full) --- 209is possible to transfer an open file descriptor across an 210.Dv AF_UNIX 211domain socket 212(see 213.Xr recv 2 ) , 214then 215.Fn close 216it before it has actually been sent, the result being that the receiver | 188receiver is not listening on the remote port. 189.It Bq Er EHOSTDOWN 190The remote host was down. 191.It Bq Er ENETDOWN 192The remote network was down. 193.It Bq Er EPERM 194The process using a 195.Dv SOCK_RAW --- 14 unchanged lines hidden (view full) --- 210is possible to transfer an open file descriptor across an 211.Dv AF_UNIX 212domain socket 213(see 214.Xr recv 2 ) , 215then 216.Fn close 217it before it has actually been sent, the result being that the receiver |
| 217gets a closed file descriptor. It is left to the application to | 218gets a closed file descriptor. 219It is left to the application to |
| 218implement an acknowledgment mechanism to prevent this from happening. 219.Sh SEE ALSO 220.Xr fcntl 2 , 221.Xr getsockopt 2 , 222.Xr recv 2 , 223.Xr select 2 , 224.Xr socket 2 , 225.Xr write 2 226.Sh HISTORY 227The 228.Fn send 229function appeared in 230.Bx 4.2 . | 220implement an acknowledgment mechanism to prevent this from happening. 221.Sh SEE ALSO 222.Xr fcntl 2 , 223.Xr getsockopt 2 , 224.Xr recv 2 , 225.Xr select 2 , 226.Xr socket 2 , 227.Xr write 2 228.Sh HISTORY 229The 230.Fn send 231function appeared in 232.Bx 4.2 . |