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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 14:57:40 +1300 |
| commit | 93be45245272fc9f59caecc3db949b49b464a2a1 (patch) | |
| tree | 95651314ec28d0f2cd866148b9e740836c14d86d /src/tutorial/syscat.source | |
| parent | 742c646c198756ffb3fbe36c3c36715ca8048d77 (diff) | |
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/tutorial/syscat.source')
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