diff options
Diffstat (limited to 'src/include/pgstat.h')
| -rw-r--r-- | src/include/pgstat.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/include/pgstat.h b/src/include/pgstat.h index 5b2e4609f65..932c83d79e5 100644 --- a/src/include/pgstat.h +++ b/src/include/pgstat.h @@ -735,6 +735,34 @@ typedef struct PgBackendStatus char *st_activity; } PgBackendStatus; +/* ---------- + * LocalPgBackendStatus + * + * When we build the backend status array, we use LocalPgBackendStatus to be + * able to add new values to the struct when needed without adding new fields + * to the shared memory. It contains the backend status as a first member. + * ---------- + */ +typedef struct LocalPgBackendStatus +{ + /* + * Local version of the backend status entry. + */ + PgBackendStatus backendStatus; + + /* + * The xid of the current transaction if available, InvalidTransactionId + * if not. + */ + TransactionId backend_xid; + + /* + * The xmin of the current session if available, InvalidTransactionId + * if not. + */ + TransactionId backend_xmin; +} LocalPgBackendStatus; + /* * Working state needed to accumulate per-function-call timing statistics. */ @@ -907,6 +935,7 @@ extern void pgstat_send_bgwriter(void); extern PgStat_StatDBEntry *pgstat_fetch_stat_dbentry(Oid dbid); extern PgStat_StatTabEntry *pgstat_fetch_stat_tabentry(Oid relid); extern PgBackendStatus *pgstat_fetch_stat_beentry(int beid); +extern LocalPgBackendStatus *pgstat_fetch_stat_local_beentry(int beid); extern PgStat_StatFuncEntry *pgstat_fetch_stat_funcentry(Oid funcid); extern int pgstat_fetch_stat_numbackends(void); extern PgStat_ArchiverStats *pgstat_fetch_stat_archiver(void); |