diff options
Diffstat (limited to 'src/include/storage/proc.h')
| -rw-r--r-- | src/include/storage/proc.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/include/storage/proc.h b/src/include/storage/proc.h index 5f38fa6b4f1..b3da73e8f4a 100644 --- a/src/include/storage/proc.h +++ b/src/include/storage/proc.h @@ -14,6 +14,7 @@ #ifndef _PROC_H_ #define _PROC_H_ +#include "access/clog.h" #include "access/xlogdefs.h" #include "lib/ilist.h" #include "storage/latch.h" @@ -161,6 +162,17 @@ struct PGPROC uint32 wait_event_info; /* proc's wait information */ + /* Support for group transaction status update. */ + bool clogGroupMember; /* true, if member of clog group */ + pg_atomic_uint32 clogGroupNext; /* next clog group member */ + TransactionId clogGroupMemberXid; /* transaction id of clog group member */ + XidStatus clogGroupMemberXidStatus; /* transaction status of clog + * group member */ + int clogGroupMemberPage; /* clog page corresponding to + * transaction id of clog group member */ + XLogRecPtr clogGroupMemberLsn; /* WAL location of commit record for + * clog group member */ + /* Per-backend LWLock. Protects fields below (but not group fields). */ LWLock backendLock; @@ -232,6 +244,8 @@ typedef struct PROC_HDR PGPROC *bgworkerFreeProcs; /* First pgproc waiting for group XID clear */ pg_atomic_uint32 procArrayGroupFirst; + /* First pgproc waiting for group transaction status update */ + pg_atomic_uint32 clogGroupFirst; /* WALWriter process's latch */ Latch *walwriterLatch; /* Checkpointer process's latch */ |