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Robert Haas c98605cc47 Pass extra data to bgworkers, and use this to fix parallel contexts. ... Up until now, the total amount of data that could be passed to a background worker at startup was one datum, which can be a small as 4 bytes on some systems. That's enough to pass a dsm_handle or an array index, but not much else. Add a bgw_extra flag to the BackgroundWorker struct, allowing up to 128 bytes to be passed to a new worker on any platform. Use this to fix a problem I recently discovered with the parallel context machinery added in 9.5: the master assigns each worker an array index, and each worker subsequently assigns itself an array index, and there's nothing to guarantee that the two sets of indexes match, leading to chaos. Normally, I would not back-patch the change to add bgw_extra, since it is basically a feature addition. However, since 9.5 is still in beta and there seems to be no other sensible way to repair the broken parallel context machinery, back-patch to 9.5. Existing background worker code can ignore the bgw_extra field without a problem, but might need to be recompiled since the structure size has changed. Report and patch by me. Review by Amit Kapila.		10 years ago
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backend	Pass extra data to bgworkers, and use this to fix parallel contexts.	10 years ago
bin	Code + docs review for unicode linestyle patch.	10 years ago
common	pgindent run for 9.5	11 years ago
include	Pass extra data to bgworkers, and use this to fix parallel contexts.	10 years ago
interfaces	Fix order of arguments in ecpg generated typedef command.	10 years ago
makefiles	Link $(WIN32RES) into single-file modules only when PGFILEDESC is set.	11 years ago
pl	Translation updates	10 years ago
port	Redesign tablesample method API, and do extensive code review.	11 years ago
template	AIX: Test the -qlonglong option before use.	11 years ago
test	Message style improvements	10 years ago
timezone	Update time zone data files to tzdata release 2015g.	10 years ago
tools	Rework the way multixact truncations work.	10 years ago
tutorial	Remove no-longer-required function declarations.	11 years ago
.gitignore	…
DEVELOPERS	…
Makefile	Create libpgcommon, and move pg_malloc et al to it	13 years ago
Makefile.global.in	Make prove_installcheck remove the old log directory, if any.	10 years ago
Makefile.shlib	AIX: Link TRANSFORM modules with their dependencies.	11 years ago
bcc32.mak	Autoconfiscate selection of 64-bit int type for 64-bit large object API.	13 years ago
nls-global.mk	Setup error context callback for transaction lock waits	12 years ago
win32.mak	Autoconfiscate selection of 64-bit int type for 64-bit large object API.	13 years ago