mirror of
https://github.com/moparisthebest/curl
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62 lines
2.2 KiB
Groff
62 lines
2.2 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_TCP_KEEPIDLE 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_TCP_KEEPIDLE \- set TCP keep-alive idle time wait
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_KEEPIDLE, long delay);
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.SH DESCRIPTION
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Pass a long. Sets the \fIdelay\fP, in seconds, that the operating system will
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wait while the connection is idle before sending keepalive probes. Not all
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operating systems support this option.
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.SH DEFAULT
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60
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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/* enable TCP keep-alive for this transfer */
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curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
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/* set keep-alive idle time to 120 seconds */
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curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 120L);
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/* interval time between keep-alive probes: 60 seconds */
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curl_easy_setopt(curl, CURLOPT_TCP_KEEPINTVL, 60L);
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curl_easy_perform(curl);
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}
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.fi
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.SH AVAILABILITY
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Added in 7.25.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_TCP_KEEPALIVE "(3), " CURLOPT_TCP_KEEPINTVL "(3), "
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