diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/storage/lmgr/lock.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/backend/storage/lmgr/lock.c b/src/backend/storage/lmgr/lock.c index e3e9599fc98..fef59a280a6 100644 --- a/src/backend/storage/lmgr/lock.c +++ b/src/backend/storage/lmgr/lock.c @@ -3371,10 +3371,11 @@ LockShmemSize(void) * GetLockStatusData - Return a summary of the lock manager's internal * status, for use in a user-level reporting function. * - * The return data consists of an array of PROCLOCK objects, with the - * associated PGPROC and LOCK objects for each. Note that multiple - * copies of the same PGPROC and/or LOCK objects are likely to appear. - * It is the caller's responsibility to match up duplicates if wanted. + * The return data consists of an array of LockInstanceData objects, + * which are a lightly abstracted version of the PROCLOCK data structures, + * i.e. there is one entry for each unique lock and interested PGPROC. + * It is the caller's responsibility to match up related items (such as + * references to the same lockable object or PGPROC) if wanted. * * The design goal is to hold the LWLocks for as short a time as possible; * thus, this function simply makes a copy of the necessary data and releases |