mirror of
https://github.com/moparisthebest/curl
synced 2024-11-14 13:35:03 -05:00
64 lines
2.8 KiB
Groff
64 lines
2.8 KiB
Groff
|
.\" **************************************************************************
|
||
|
|
.\" * _ _ ____ _
|
||
|
|
.\" * Project ___| | | | _ \| |
|
||
|
|
.\" * / __| | | | |_) | |
|
||
|
|
.\" * | (__| |_| | _ <| |___
|
||
|
|
.\" * \___|\___/|_| \_\_____|
|
||
|
|
.\" *
|
||
|
|
.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
|
||
|
|
.\" *
|
||
|
|
.\" * This software is licensed as described in the file COPYING, which
|
||
|
|
.\" * you should have received as part of this distribution. The terms
|
||
|
|
.\" * are also available at http://curl.haxx.se/docs/copyright.html.
|
||
|
|
.\" *
|
||
|
|
.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
||
|
|
.\" * copies of the Software, and permit persons to whom the Software is
|
||
|
|
.\" * furnished to do so, under the terms of the COPYING file.
|
||
|
|
.\" *
|
||
|
|
.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||
|
|
.\" * KIND, either express or implied.
|
||
|
|
.\" *
|
||
|
|
.\" **************************************************************************
|
||
|
|
.\"
|
||
|
|
.TH CURLOPT_PIPEWAIT 3 "12 May 2015" "libcurl 7.43.0" "curl_easy_setopt options"
|
||
|
|
.SH NAME
|
||
|
|
CURLOPT_PIPEWAIT \- wait for pipelining/multiplexing
|
||
|
|
.SH SYNOPSIS
|
||
|
|
#include <curl/curl.h>
|
||
|
|
|
||
|
|
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PIPEWAIT, long wait);
|
||
|
|
.SH DESCRIPTION
|
||
|
|
Set \fIwait\fP to 1L to tell libcurl to prefer to wait for a connection to
|
||
|
|
confirm or deny that it can do pipelining or multiplexing before continuing.
|
||
|
|
|
||
|
|
When about to perform a new transfer that allows pipelining or multiplexing,
|
||
|
|
libcurl will check for existing connections to re-use and pipeline on. If no
|
||
|
|
such connection exists it will immediately continue and create a fresh new
|
||
|
|
connection to use.
|
||
|
|
|
||
|
|
By setting this option to 1 - and having \fICURLMOPT_PIPELINE\fP enabled for
|
||
|
|
the multi handle this transfer is associated with - libcurl will instead wait
|
||
|
|
for the connection to reveal if it is possible to pipeline/multiplex on before
|
||
|
|
it continues. This enables libcurl to much better keep the number of
|
||
|
|
connections to a minimum when using pipelining or multiplexing protocols.
|
||
|
|
|
||
|
|
The effect thus becomes that with this option set, libcurl prefers to wait and
|
||
|
|
re-use an existing connection for pipelining rather than the opposite: prefer
|
||
|
|
to open a new connection rather than waiting.
|
||
|
|
|
||
|
|
The waiting time is as long as it takes for the connection to get up and for
|
||
|
|
libcurl to get the necessary response back that informs it about its protocol
|
||
|
|
and support level.
|
||
|
|
.SH DEFAULT
|
||
|
|
0 (off)
|
||
|
|
.SH PROTOCOLS
|
||
|
|
HTTP(S)
|
||
|
|
.SH EXAMPLE
|
||
|
|
.SH AVAILABILITY
|
||
|
|
Added in 7.43.0
|
||
|
|
.SH RETURN VALUE
|
||
|
|
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
|
||
|
|
.SH "SEE ALSO"
|
||
|
|
.BR CURLOPT_FORBID_REUSE "(3), " CURLOPT_FRESH_CONNECT "(3), "
|
||
|
|
.BR CURLMOPT_PIPELINING "(3), " CURLMOPT_MAX_HOST_CONNECTIONS "(3), "
|