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Previously worker_spi used its custom signal handlers for SIGHUP and SIGTERM. This commit makes worker_spi use the standard signal handlers, to simplify the code. Note that die() is used as the standard SIGTERM signal handler in worker_spi instead of SignalHandlerForShutdownRequest() or bgworker_die(). Previously the exit handling was only able to exit from within the main loop, and not from within the backend code it calls. This is why die() needs to be used here, so worker_spi can respond to SIGTERM signal while it's executing a query. Maybe we can say that it's a bug that worker_spi could not respond to SIGTERM during query execution. But since worker_spi is a just example of the background worker code, we don't do the back-patch. Thanks to Craig Ringer for the report and investigation of the issue. Author: Bharath Rupireddy Reviewed-by: Fujii Masao Discussion: https://postgr.es/m/CALj2ACXDEZhAFOTDcqO9cFSRvrFLyYOnPKrcA1UG4uZn9hUAVg@mail.gmail.com Discussion: https://postgr.es/m/CAGRY4nxsAe_1k_9g5b47orA0S011iBoHsXHFMH7cg7HV0O1bwQ@mail.gmail.com
PostgreSQL tests ================ This directory contains a variety of test infrastructure as well as some of the tests in PostgreSQL. Not all tests are here -- in particular, there are more in individual contrib/ modules and in src/bin. Not all these tests get run by "make check". Check src/test/Makefile to see which tests get run automatically. authentication/ Tests for authentication (but see also below) examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level kerberos/ Tests for Kerberos/GSSAPI authentication and encryption ldap/ Tests for LDAP-based authentication locale/ Sanity checks for locale data, encodings, etc mb/ Tests for multibyte encoding (UTF-8) support modules/ Extensions used only or mainly for test purposes, generally not suitable for installing in production databases perl/ Infrastructure for Perl-based TAP tests recovery/ Test suite for recovery and replication regress/ PostgreSQL's main regression test suite, pg_regress ssl/ Tests to exercise and verify SSL certificate handling subscription/ Tests for logical replication