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Tom Lane 6d660587f6 Revise bgwriter fsync-request mechanism to improve robustness when a table 
is deleted.  A backend about to unlink a file now sends a "revoke fsync"
request to the bgwriter to make it clean out pending fsync requests.  There
is still a race condition where the bgwriter may try to fsync after the unlink
has happened, but we can resolve that by rechecking the fsync request queue
to see if a revoke request arrived meanwhile.  This eliminates the former
kluge of "just assuming" that an ENOENT failure is okay, and lets us handle
the fact that on Windows it might be EACCES too without introducing any
questionable assumptions.  After an idea of mine improved by Magnus.

The HEAD patch doesn't apply cleanly to 8.2, but I'll see about a back-port
later.  In the meantime this could do with some testing on Windows; I've been
able to force it through the code path via ENOENT, but that doesn't prove that
it actually fixes the Windows problem ...
 		2007-01-17 00:17:21 +00:00
..
backend Revise bgwriter fsync-request mechanism to improve robustness when a table 2007-01-17 00:17:21 +00:00
bin Allow Borland CC to compile libpq and psql. 2007-01-11 02:39:52 +00:00
include Implement width_bucket() for the float8 data type. 2007-01-16 21:41:14 +00:00
interfaces Missed two new files from Joachim's patch. 2007-01-12 11:31:33 +00:00
makefiles Add $(CFLAGS) to the simplified build rule for .so libraries on Darwin. 2006-11-28 05:45:43 +00:00
pl Enable another five tuple status bits by using the high bits of the 2007-01-09 22:01:00 +00:00
port Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
template Make --with-ldap build on Unixware, per Olivier Prenant. 2006-12-14 21:49:54 +00:00
test Implement width_bucket() for the float8 data type. 2007-01-16 21:41:14 +00:00
timezone Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
tools vcbuild updates from Magnus: 2007-01-16 21:43:19 +00:00
tutorial Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
DEVELOPERS Testing commit stuff 2006-07-10 15:50:02 +00:00
Makefile Remove dllinit.c; it was only needed for long-obsolete Cygwin versions, 2006-06-22 23:50:35 +00:00
Makefile.global.in On Windows, we know the backend stack size limit because we have to 2006-10-08 17:15:34 +00:00
Makefile.shlib Indent comments in makefiles better so they don't appear in the output. 2007-01-07 08:49:31 +00:00
bcc32.mak Fix bcc32.mak to create and remove pg_config_os.h properly. Apparently 2006-10-06 18:53:53 +00:00
nls-global.mk When merging PO files, take into consideration translations in other PO 2006-04-05 13:40:15 +00:00
win32.mak Fix win32.mak for config cleanup. 2006-08-08 22:44:05 +00:00