diff options
Diffstat (limited to 'src/include/utils/pgstat_internal.h')
| -rw-r--r-- | src/include/utils/pgstat_internal.h | 42 |
1 files changed, 23 insertions, 19 deletions
diff --git a/src/include/utils/pgstat_internal.h b/src/include/utils/pgstat_internal.h index 25820cbf0a6..bba90e898dd 100644 --- a/src/include/utils/pgstat_internal.h +++ b/src/include/utils/pgstat_internal.h @@ -237,7 +237,7 @@ typedef struct PgStat_KindInfo /* * For variable-numbered stats: flush pending stats. Required if pending - * data is used. + * data is used. See flush_fixed_cb for fixed-numbered stats. */ bool (*flush_pending_cb) (PgStat_EntryRef *sr, bool nowait); @@ -266,6 +266,19 @@ typedef struct PgStat_KindInfo void (*init_shmem_cb) (void *stats); /* + * For fixed-numbered statistics: Flush pending stats. Returns true if + * some of the stats could not be flushed, due to lock contention for + * example. Optional. + */ + bool (*flush_fixed_cb) (bool nowait); + + /* + * For fixed-numbered statistics: Check for pending stats in need of + * flush. Returns true if there are any stats pending for flush. Optional. + */ + bool (*have_fixed_pending_cb) (void); + + /* * For fixed-numbered statistics: Reset All. */ void (*reset_all_cb) (TimestampTz ts); @@ -609,7 +622,10 @@ extern bool pgstat_function_flush_cb(PgStat_EntryRef *entry_ref, bool nowait); * Functions in pgstat_io.c */ -extern bool pgstat_flush_io(bool nowait); +extern void pgstat_flush_io(bool nowait); + +extern bool pgstat_io_have_pending_cb(void); +extern bool pgstat_io_flush_cb(bool nowait); extern void pgstat_io_init_shmem_cb(void *stats); extern void pgstat_io_reset_all_cb(TimestampTz ts); extern void pgstat_io_snapshot_cb(void); @@ -668,7 +684,8 @@ extern PgStatShared_Common *pgstat_init_entry(PgStat_Kind kind, * Functions in pgstat_slru.c */ -extern bool pgstat_slru_flush(bool nowait); +extern bool pgstat_slru_have_pending_cb(void); +extern bool pgstat_slru_flush_cb(bool nowait); extern void pgstat_slru_init_shmem_cb(void *stats); extern void pgstat_slru_reset_all_cb(TimestampTz ts); extern void pgstat_slru_snapshot_cb(void); @@ -678,10 +695,11 @@ extern void pgstat_slru_snapshot_cb(void); * Functions in pgstat_wal.c */ -extern bool pgstat_flush_wal(bool nowait); -extern bool pgstat_have_pending_wal(void); +extern void pgstat_flush_wal(bool nowait); extern void pgstat_wal_init_backend_cb(void); +extern bool pgstat_wal_have_pending_cb(void); +extern bool pgstat_wal_flush_cb(bool nowait); extern void pgstat_wal_init_shmem_cb(void *stats); extern void pgstat_wal_reset_all_cb(TimestampTz ts); extern void pgstat_wal_snapshot_cb(void); @@ -712,20 +730,6 @@ extern PGDLLIMPORT PgStat_LocalState pgStatLocal; /* - * Variables in pgstat_io.c - */ - -extern PGDLLIMPORT bool have_iostats; - - -/* - * Variables in pgstat_slru.c - */ - -extern PGDLLIMPORT bool have_slrustats; - - -/* * Implementation of inline functions declared above. */ |