mirror of
https://github.com/moparisthebest/curl
synced 2024-11-15 22:15:13 -05:00
64 lines
2.6 KiB
Groff
64 lines
2.6 KiB
Groff
.\" **************************************************************************
|
|
.\" * _ _ ____ _
|
|
.\" * Project ___| | | | _ \| |
|
|
.\" * / __| | | | |_) | |
|
|
.\" * | (__| |_| | _ <| |___
|
|
.\" * \___|\___/|_| \_\_____|
|
|
.\" *
|
|
.\" * Copyright (C) 1998 - 2014, 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 CURLMOPT_TIMERFUNCTION 3 "17 Jun 2014" "libcurl 7.37.0" "curl_multi_setopt options"
|
|
.SH NAME
|
|
CURLMOPT_TIMERFUNCTION \- set callback to receive timeout values
|
|
.SH SYNOPSIS
|
|
.nf
|
|
#include <curl/curl.h>
|
|
|
|
int timer_callback(CURLM *multi, /* multi handle */
|
|
long timeout_ms, /* see above */
|
|
void *userp); /* private callback pointer */
|
|
|
|
CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_TIMERFUNCTION, timer_callback);
|
|
.SH DESCRIPTION
|
|
Pass a pointer to your callback function, which should match the prototype
|
|
shown above.
|
|
|
|
This callback function will be called when the timeout value changes. The
|
|
\fBtimeout_ms\fP value is at what latest time the application should call one
|
|
of the \&"performing" functions of the multi interface
|
|
(\fIcurl_multi_socket_action(3)\fP and \fIcurl_multi_perform(3)\fP) - to allow
|
|
libcurl to keep timeouts and retries etc to work. A \fBtimeout_ms\fP value of
|
|
-1 means that there is no timeout at all, and 0 means that the timeout is
|
|
already expired. libcurl attempts to limit calling this only when the fixed
|
|
future timeout time actually changes.
|
|
|
|
The \fBuserp\fP pointer is set with \fICURLMOPT_TIMERDATA(3)\fP.
|
|
|
|
The timer callback should return 0 on success, and -1 on error. This callback
|
|
can be used instead of, or in addition to, \fIcurl_multi_timeout(3)\fP.
|
|
.SH DEFAULT
|
|
NULL
|
|
.SH PROTOCOLS
|
|
All
|
|
.SH EXAMPLE
|
|
TODO
|
|
.SH AVAILABILITY
|
|
Added in 7.16.0
|
|
.SH RETURN VALUE
|
|
Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.
|
|
.SH "SEE ALSO"
|
|
.BR CURLMOPT_TIMERDATA "(3), " CURLMOPT_SOCKETFUNCTION "(3), "
|