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Thomas Munro cfdf4dc4fc Add WL_EXIT_ON_PM_DEATH pseudo-event. ... Users of the WaitEventSet and WaitLatch() APIs can now choose between asking for WL_POSTMASTER_DEATH and then handling it explicitly, or asking for WL_EXIT_ON_PM_DEATH to trigger immediate exit on postmaster death. This reduces code duplication, since almost all callers want the latter. Repair all code that was previously ignoring postmaster death completely, or requesting the event but ignoring it, or requesting the event but then doing an unconditional PostmasterIsAlive() call every time through its event loop (which is an expensive syscall on platforms for which we don't have USE_POSTMASTER_DEATH_SIGNAL support). Assert that callers of WaitLatchXXX() under the postmaster remember to ask for either WL_POSTMASTER_DEATH or WL_EXIT_ON_PM_DEATH, to prevent future bugs. The only process that doesn't handle postmaster death is syslogger. It waits until all backends holding the write end of the syslog pipe (including the postmaster) have closed it by exiting, to be sure to capture any parting messages. By using the WaitEventSet API directly it avoids the new assertion, and as a by-product it may be slightly more efficient on platforms that have epoll(). Author: Thomas Munro Reviewed-by: Kyotaro Horiguchi, Heikki Linnakangas, Tom Lane Discussion: https://postgr.es/m/CAEepm%3D1TCviRykkUb69ppWLr_V697rzd1j3eZsRMmbXvETfqbQ%40mail.gmail.com, https://postgr.es/m/CAEepm=2LqHzizbe7muD7-2yHUbTOoF7Q+qkSD5Q41kuhttRTwA@mail.gmail.com		7 years ago
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expected	Remove WITH OIDS support, change oid catalog column visibility.	7 years ago
sql	Remove WITH OIDS support, change oid catalog column visibility.	7 years ago
.gitignore	…
Makefile	Prevent accidental linking of system-supplied copies of libpq.so etc.	7 years ago
connection.c	Add WL_EXIT_ON_PM_DEATH pseudo-event.	7 years ago
deparse.c	Remove WITH OIDS support, change oid catalog column visibility.	7 years ago
option.c	Improve style guideline compliance of assorted error-report messages.	7 years ago
postgres_fdw--1.0.sql	…
postgres_fdw.c	Remove WITH OIDS support, change oid catalog column visibility.	7 years ago
postgres_fdw.control	…
postgres_fdw.h	Fix WITH CHECK OPTION on views referencing postgres_fdw tables.	7 years ago
shippable.c	Update copyright for 2018	8 years ago