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| author | Thomas Munro <tmunro@postgresql.org> | 2020-02-01 14:29:13 +1300 |
|---|---|---|
| committer | Thomas Munro <tmunro@postgresql.org> | 2020-02-01 14:49:57 +1300 |
| commit | 24dd34af1435a2a97e8b67d82328e45d0ac51413 (patch) | |
| tree | 3b2cbd807e5cc9f426f23e2030a36aefb6cdfebd /src/backend/commands/functioncmds.c | |
| parent | 65aa155135a5c7c913bcb042c51d72eaad53582f (diff) | |
| download | postgresql-24dd34af1435a2a97e8b67d82328e45d0ac51413.tar.gz postgresql-24dd34af1435a2a97e8b67d82328e45d0ac51413.zip | |
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
Diffstat (limited to 'src/backend/commands/functioncmds.c')
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