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Thomas Munro aab30cd4ed Fix memory leak on DSM slot exhaustion. 
If we attempt to create a DSM segment when no slots are available,
we should return the memory to the operating system.  Previously
we did that if the DSM_CREATE_NULL_IF_MAXSEGMENTS flag was
passed in, but we didn't do it if an error was raised.  Repair.

Back-patch to 9.4, where DSM segments arrived.

Author: Thomas Munro
Reviewed-by: Robert Haas
Reported-by: Julian Backes
Discussion: https://postgr.es/m/CA%2BhUKGKAAoEw-R4om0d2YM4eqT1eGEi6%3DQot-3ceDR-SLiWVDw%40mail.gmail.com
2020-02-01 14:54:48 +13:00
..
backend Fix memory leak on DSM slot exhaustion. 2020-02-01 14:54:48 +13:00
bin Fix parallel pg_dump/pg_restore for failure to create worker processes. 2020-01-31 14:41:49 -05:00
common Tolerate EINVAL when calling fsync() on a directory. 2019-02-24 23:52:20 +13:00
fe_utils Fix translation of special characters in psql's LaTeX output modes. 2018-11-26 17:32:51 -05:00
include Fix CheckAttributeType's handling of collations for ranges. 2020-01-31 17:03:55 -05:00
interfaces libpq should expose GSS-related parameters even when not implemented. 2019-12-20 15:34:08 -05:00
makefiles Select CFLAGS_SL at configure time, not in platform-specific Makefiles. 2019-10-21 12:32:36 -04:00
pl Translation updates 2019-11-11 10:33:28 +01:00
port In pgwin32_open, loop after ERROR_ACCESS_DENIED only if we can't stat. 2019-12-21 17:39:36 -05:00
template Select CFLAGS_SL at configure time, not in platform-specific Makefiles. 2019-10-21 12:32:36 -04:00
test Fix CheckAttributeType's handling of collations for ranges. 2020-01-31 17:03:55 -05:00
timezone Update time zone data files to tzdata release 2019c. 2019-09-20 19:54:07 -04:00
tools Handle spaces in OpenSSL install location for MSVC 2019-10-04 15:39:12 -04:00
tutorial Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
.gitignore
DEVELOPERS
Makefile Build src/test/isolation during "make" and "make install". 2017-11-22 20:18:52 -08:00
Makefile.global.in Select CFLAGS_SL at configure time, not in platform-specific Makefiles. 2019-10-21 12:32:36 -04:00
Makefile.shlib Ensure static libraries have correct mod time even if ranlib messes it up. 2018-11-29 15:53:44 -05:00
nls-global.mk nls-global.mk: search build dir for source files, too 2016-06-07 18:55:18 -04:00