diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/replication/walsender_private.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/include/replication/walsender_private.h b/src/include/replication/walsender_private.h index 0fc77f1b4af..e98701038f5 100644 --- a/src/include/replication/walsender_private.h +++ b/src/include/replication/walsender_private.h @@ -96,11 +96,11 @@ typedef struct XLogRecPtr lsn[NUM_SYNC_REP_WAIT_MODE]; /* - * Are any sync standbys defined? Waiting backends can't reload the - * config file safely, so checkpointer updates this value as needed. - * Protected by SyncRepLock. + * Status of data related to the synchronous standbys. Waiting backends + * can't reload the config file safely, so checkpointer updates this value + * as needed. Protected by SyncRepLock. */ - bool sync_standbys_defined; + bits8 sync_standbys_status; /* used as a registry of physical / logical walsenders to wake */ ConditionVariable wal_flush_cv; @@ -116,6 +116,21 @@ typedef struct WalSnd walsnds[FLEXIBLE_ARRAY_MEMBER]; } WalSndCtlData; +/* Flags for WalSndCtlData->sync_standbys_status */ + +/* + * Is the synchronous standby data initialized from the GUC? This is set the + * first time synchronous_standby_names is processed by the checkpointer. + */ +#define SYNC_STANDBY_INIT (1 << 0) + +/* + * Is the synchronous standby data defined? This is set when + * synchronous_standby_names has some data, after being processed by the + * checkpointer. + */ +#define SYNC_STANDBY_DEFINED (1 << 1) + extern PGDLLIMPORT WalSndCtlData *WalSndCtl; |