> On Jan 17, 2021, at 11:51 PM, Craig Ringer <craig.rin...@enterprisedb.com> > wrote: > > <v1-0001-Comments-and-cross-references-for-signal-handling.patch> In src/backend/postmaster/interrupt.c: + * These handlers are NOT used by normal user backends as they do not support vs. + * Most backends use this handler. These two comments seem to contradict. If interrupt.c contains handlers that normal user backends to not use, then how can it be that most backends use one of the handlers in the file? — Mark Dilger EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company