curl_share_setopt.3: connection cache is shared within multi handles

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.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.

.\" * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.

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.IP CURL_LOCK_DATA_DNS

Cached DNS hosts will be shared across the easy handles using this shared

object. Note that when you use the multi interface, all easy handles added to

the same multi handle will share DNS cache by default without this having to

be used!

the same multi handle will share DNS cache by default without using this

option.

.IP CURL_LOCK_DATA_SSL_SESSION

SSL session IDs will be shared across the easy handles using this shared

object. This will reduce the time spent in the SSL handshake when reconnecting

Support for \fBCURL_LOCK_DATA_CONNECT\fP was added in 7.57.0, but the symbol

existed before this.

Note that when you use the multi interface, all easy handles added to the same

multi handle will share connection cache by default without using this option.

.RE

.IP CURLSHOPT_UNSHARE

This option does the opposite of \fICURLSHOPT_SHARE\fP. It specifies that