/ curl Public
libcurl-thread.3: expand somewhat on the NO_SIGNAL motivation #2904
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Multi-threaded applictions basically MUST set CURLOPT_NO_SIGNAL to 1L to
avoid the risk of getting a SIGPIPE.
Either way, a multi-threaded application that uses libcurl/openssl needs
to have a signhandler for or ignore SIGPIPE on its own.
Based on discussions in #2800
/cc @linusnielsen @yandreiy @ThomasObenaus