summaryrefslogtreecommitdiffstats
path: root/man2/send.2
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:41:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:41:07 +0000
commit3af6d22bb3850ab2bac67287e3a3d3b0e32868e5 (patch)
tree3ee7a3ec64525911fa865bb984c86d997d855527 /man2/send.2
parentAdding debian version 6.05.01-1. (diff)
downloadmanpages-3af6d22bb3850ab2bac67287e3a3d3b0e32868e5.tar.xz
manpages-3af6d22bb3850ab2bac67287e3a3d3b0e32868e5.zip
Merging upstream version 6.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--man2/send.240
1 files changed, 20 insertions, 20 deletions
diff --git a/man2/send.2 b/man2/send.2
index 16c58b5..79abcc7 100644
--- a/man2/send.2
+++ b/man2/send.2
@@ -9,7 +9,7 @@
.\" Modified Oct 2003 by aeb
.\" Modified 2004-07-01 by mtk
.\"
-.TH send 2 2023-03-30 "Linux man-pages 6.05.01"
+.TH send 2 2024-02-18 "Linux man-pages 6.7"
.SH NAME
send, sendto, sendmsg \- send a message on a socket
.SH LIBRARY
@@ -18,7 +18,7 @@ Standard C library
.SH SYNOPSIS
.nf
.B #include <sys/socket.h>
-.PP
+.P
.BI "ssize_t send(int " sockfd ", const void " buf [. len "], size_t " len \
", int " flags );
.BI "ssize_t sendto(int " sockfd ", const void " buf [. len "], size_t " len \
@@ -34,7 +34,7 @@ The system calls
and
.BR sendmsg ()
are used to transmit a message to another socket.
-.PP
+.P
The
.BR send ()
call may be used only when the socket is in a
@@ -53,25 +53,25 @@ argument,
is equivalent to
.BR write (2).
Also, the following call
-.PP
+.P
.in +4n
.EX
send(sockfd, buf, len, flags);
.EE
.in
-.PP
+.P
is equivalent to
-.PP
+.P
.in +4n
.EX
sendto(sockfd, buf, len, flags, NULL, 0);
.EE
.in
-.PP
+.P
The argument
.I sockfd
is the file descriptor of the sending socket.
-.PP
+.P
If
.BR sendto ()
is used on a connection-mode
@@ -99,7 +99,7 @@ the address of the target is given by
with
.I msg.msg_namelen
specifying its size.
-.PP
+.P
For
.BR send ()
and
@@ -115,16 +115,16 @@ the message is pointed to by the elements of the array
The
.BR sendmsg ()
call also allows sending ancillary data (also known as control information).
-.PP
+.P
If the message is too long to pass atomically through the
underlying protocol, the error
.B EMSGSIZE
is returned, and the message is not transmitted.
-.PP
+.P
No indication of failure to deliver is implicit in a
.BR send ().
Locally detected errors are indicated by a return value of \-1.
-.PP
+.P
When the message does not fit into the send buffer of the socket,
.BR send ()
normally blocks, unless the socket has been placed in nonblocking I/O
@@ -184,7 +184,7 @@ is a per-call option, whereas
is a setting on the open file description (see
.BR open (2)),
which will affect all threads in the calling process
-and as well as other processes that hold file descriptors
+as well as other processes that hold file descriptors
referring to the same open file description.
.TP
.BR MSG_EOR " (since Linux 2.2)"
@@ -273,7 +273,7 @@ The definition of the
structure employed by
.BR sendmsg ()
is as follows:
-.PP
+.P
.in +4n
.EX
struct msghdr {
@@ -287,7 +287,7 @@ struct msghdr {
};
.EE
.in
-.PP
+.P
The
.I msg_name
field is used on an unconnected socket to specify the target
@@ -297,14 +297,14 @@ It points to a buffer containing the address; the
field should be set to the size of the address.
For a connected socket, these fields should be specified as NULL and 0,
respectively.
-.PP
+.P
The
.I msg_iov
and
.I msg_iovlen
fields specify scatter-gather locations, as for
.BR writev (2).
-.PP
+.P
You may send control information (ancillary data) using the
.I msg_control
and
@@ -320,7 +320,7 @@ socket domains, see
.BR unix (7)
and
.BR ip (7).
-.PP
+.P
The
.I msg_flags
field is ignored.
@@ -458,13 +458,13 @@ but glibc currently types both as
.\" as (at least with GCC) is int.
.SH STANDARDS
POSIX.1-2008.
-.PP
+.P
.B MSG_CONFIRM
is a Linux extension.
.SH HISTORY
4.4BSD, SVr4, POSIX.1-2001.
(first appeared in 4.2BSD).
-.PP
+.P
POSIX.1-2001 describes only the
.B MSG_OOB
and