postgres

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Tom Lane 4e15a4db5e Documentation improvement and minor code cleanups for the latch facility.

Improve the documentation around weak-memory-ordering risks, and do a pass
of general editorialization on the comments in the latch code.  Make the
Windows latch code more like the Unix latch code where feasible; in
particular provide the same Assert checks in both implementations.
Fix poorly-placed WaitLatch call in syncrep.c.

This patch resolves, for the moment, concerns around weak-memory-ordering
bugs in latch-related code: we have documented the restrictions and checked
that existing calls meet them.  In 9.2 I hope that we will install suitable
memory barrier instructions in SetLatch/ResetLatch, so that their callers
don't need to be quite so careful.

2011-08-09 15:30:45 -04:00

backend

Documentation improvement and minor code cleanups for the latch facility.

2011-08-09 15:30:45 -04:00

bin

Teach psql to display the comments on SQL/MED objects in verbose mode.

2011-08-08 16:30:39 -04:00

include

Documentation improvement and minor code cleanups for the latch facility.

2011-08-09 15:30:45 -04:00

interfaces

Tweak PQresStatus() to avoid a clang compiler warning.