Hi
Currently the documentation for the default role "pg_signal_backend" states,
somewhat ambiguously, "Send signals to other backends (eg: cancel query, terminate)",
giving the impression other signals (e.g. SIGHUP) can be sent too, which is
currently not the case.
Attached patch clarifies this, adds a descriptive paragraph (similar to what
the other default roles have) and a link to the "Server Signaling Functions"
section.
Patch applies cleanly to HEAD and REL_11_STABLE.
Regards
Ian Barwick
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Ian Barwick https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services