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New define USE_SO_NOSIGPIPE in curl_setup.h, for now set whenever SO_NOSIGPIPE is defined. Maybe overridden in the future on systems where this does not work. With USE_SO_NOSIGPIPE defined, set SO_NOSIGPIPE on all sockets created by libcurl and fail the creation when setsockopt() fails.
Add DEBUG env var `CURL_SIGPIPE_DEBUG` to disable curl's default SIGPIPE ignore.
bagder
approved these changes
Jan 20, 2026
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New define USE_SO_NOSIGPIPE in curl_setup.h, for now set whenever SO_NOSIGPIPE is defined. Maybe overridden in the future on systems where this does not work.
With USE_SO_NOSIGPIPE defined, set SO_NOSIGPIPE on all sockets created by libcurl and fail the creation when setsockopt() fails.
Disable special sigaction handling when
SO_NOSIGPIPEis used.Add DEBUG env var
CURL_SIGPIPE_DEBUGto disable curl's defaultSIGPIPEignore.