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As you know sigpipe may occur when you are writing to closed socket. I know two ways to prevent it:
  • install signal handler
  • use send instead syswrite with MSG_NOSIGNAL parameter
  • But I can't find any of this in LWP code. For example here is writing to socket: https://metacpan.org/source/GAAS/libwww-perl-6.04/lib/LWP/Protocol/http.pm#L231
    Other http client module HTTP::Tiny has such check: https://metacpan.org/source/DAGOLDEN/HTTP-Tiny-0.024/lib/HTTP/Tiny.pm#L487

    In reply to LWP is not SIGPIPE safe? by OlegG

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