summaryrefslogtreecommitdiffstats
path: root/doc
diff options
context:
space:
mode:
authordkf <donal.k.fellows@manchester.ac.uk>2012-03-08 21:12:24 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2012-03-08 21:12:24 (GMT)
commit014ce74e1d7d90d99e3b310e2e4a923f789802a2 (patch)
treedb23ae3ebc05b94922c0ede8d1cbb46274962da5 /doc
parent64997e6db9c283aeaa383cf901d7f45949cd0c24 (diff)
downloadtcl-014ce74e1d7d90d99e3b310e2e4a923f789802a2.zip
tcl-014ce74e1d7d90d99e3b310e2e4a923f789802a2.tar.gz
tcl-014ce74e1d7d90d99e3b310e2e4a923f789802a2.tar.bz2
More small bits of doc mending.
Diffstat (limited to 'doc')
-rw-r--r--doc/socket.n22
1 files changed, 12 insertions, 10 deletions
diff --git a/doc/socket.n b/doc/socket.n
index e3087c9..0a60457 100644
--- a/doc/socket.n
+++ b/doc/socket.n
@@ -72,7 +72,8 @@ This option will cause the client socket to be connected
asynchronously. This means that the socket will be created immediately
but may not yet be connected to the server, when the call to
\fBsocket\fR returns.
-
+.RS
+.PP
When a \fBgets\fR or \fBflush\fR is done on the socket before the
connection attempt succeeds or fails, if the socket is in blocking
mode, the operation will wait until the connection is completed or
@@ -82,22 +83,20 @@ succeeds or fails, the operation returns immediately and
\fBfblocked\fR on the socket returns 1. Synchronous client sockets may
be switched (after they have connected) to operating in asynchronous
mode using:
-.RS
.PP
.CS
\fBchan configure \fIchan \fB\-blocking 0\fR
.CE
.PP
See the \fBchan configure\fR command for more details.
-
+.PP
The Tcl event loop should be running while an asynchronous connection
is in progress, because it may have to do several connection attempts
-in the background. Runnig the event loop also allows you to set up a
+in the background. Running the event loop also allows you to set up a
writable channel event on the socket to get notified when the
-asyncronous connection has succeeded or failed. See the \fBvwait\fR
-and the \fBchan\fR comands for more details on the event loop and
+asynchronous connection has succeeded or failed. See the \fBvwait\fR
+and the \fBchan\fR commands for more details on the event loop and
channel events.
-
.RE
.SH "SERVER SOCKETS"
.PP
@@ -157,9 +156,11 @@ This option gets the current error status of the given socket. This
is useful when you need to determine if an asynchronous connect
operation succeeded. If there was an error, the error message is
returned. If there was no error, an empty string is returned.
-
+.RS
+.PP
Note that the error status is reset by the read operation; this mimics
the underlying getsockopt(SO_ERROR) call.
+.RE
.TP
\fB\-sockname\fR
.
@@ -168,14 +169,15 @@ client connects to a server socket) this option returns a list of
three elements, the address, the host name and the port number for the
socket. If the host name cannot be computed, the second element is
identical to the address, the first element of the list.
-
+.RS
+.PP
For server sockets this option returns a list of a multiple of three
elements each group of which have the same meaning as described
above. The list contains more than one group when the server socket
was created without \fB\-myaddr\fR or with the argument to
\fB\-myaddr\fR being a domain name that resolves multiple IP addresses
that are local to the invoking host.
-
+.RE
.TP
\fB\-peername\fR
.