diff options
Diffstat (limited to 'src/backend/storage/ipc/standby.c')
| -rw-r--r-- | src/backend/storage/ipc/standby.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/backend/storage/ipc/standby.c b/src/backend/storage/ipc/standby.c index 23238edd5f1..35e264c56e8 100644 --- a/src/backend/storage/ipc/standby.c +++ b/src/backend/storage/ipc/standby.c @@ -124,10 +124,25 @@ InitRecoveryTransactionEnvironment(void) * * Prepare to switch from hot standby mode to normal operation. Shut down * recovery-time transaction tracking. + * + * This must be called even in shutdown of startup process if transaction + * tracking has been initialized. Otherwise some locks the tracked + * transactions were holding will not be released and and may interfere with + * the processes still running (but will exit soon later) at the exit of + * startup process. */ void ShutdownRecoveryTransactionEnvironment(void) { + /* + * Do nothing if RecoveryLockLists is NULL because which means that + * transaction tracking has not been yet initialized or has been already + * shutdowned. This prevents transaction tracking from being shutdowned + * unexpectedly more than once. + */ + if (RecoveryLockLists == NULL) + return; + /* Mark all tracked in-progress transactions as finished. */ ExpireAllKnownAssignedTransactionIds(); |