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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2023-12-08 09:46:59 +0200 |
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| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2023-12-08 09:46:59 +0200 |
| commit | 15916ffb0468d0b1036ba661767fe6e1b5fb3ee8 (patch) | |
| tree | 797642079eaadc1872e5ea24f27809c17f8e2b81 /src/backend/access/transam/varsup.c | |
| parent | 049ef3398d05c9dc8f48aa9a6d68440661cfeb87 (diff) | |
| download | postgresql-15916ffb0468d0b1036ba661767fe6e1b5fb3ee8.tar.gz postgresql-15916ffb0468d0b1036ba661767fe6e1b5fb3ee8.zip | |
Initialize ShmemVariableCache like other shmem areas
For sake of consistency.
Reviewed-by: Tristan Partin, Richard Guo
Discussion: https://www.postgresql.org/message-id/6537d63d-4bb5-46f8-9b5d-73a8ba4720ab@iki.fi
Diffstat (limited to 'src/backend/access/transam/varsup.c')
| -rw-r--r-- | src/backend/access/transam/varsup.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/backend/access/transam/varsup.c b/src/backend/access/transam/varsup.c index abfee483174..302f9296240 100644 --- a/src/backend/access/transam/varsup.c +++ b/src/backend/access/transam/varsup.c @@ -35,6 +35,33 @@ VariableCache ShmemVariableCache = NULL; /* + * Initialization of shared memory for ShmemVariableCache. + */ +Size +VarsupShmemSize(void) +{ + return sizeof(VariableCacheData); +} + +void +VarsupShmemInit(void) +{ + bool found; + + /* Initialize our shared state struct */ + ShmemVariableCache = ShmemInitStruct("ShmemVariableCache", + sizeof(VariableCacheData), + &found); + if (!IsUnderPostmaster) + { + Assert(!found); + memset(ShmemVariableCache, 0, sizeof(VariableCacheData)); + } + else + Assert(found); +} + +/* * Allocate the next FullTransactionId for a new transaction or * subtransaction. * |