diff options
Diffstat (limited to 'src/backend/storage/lmgr/lmgr.c')
| -rw-r--r-- | src/backend/storage/lmgr/lmgr.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/backend/storage/lmgr/lmgr.c b/src/backend/storage/lmgr/lmgr.c index f838b0f758a..889841f4cc5 100644 --- a/src/backend/storage/lmgr/lmgr.c +++ b/src/backend/storage/lmgr/lmgr.c @@ -900,16 +900,14 @@ WaitForLockersMultiple(List *locktags, LOCKMODE lockmode, bool progress) while (VirtualTransactionIdIsValid(*lockholders)) { - /* - * If requested, publish who we're going to wait for. This is not - * 100% accurate if they're already gone, but we don't care. - */ + /* If requested, publish who we're going to wait for. */ if (progress) { PGPROC *holder = BackendIdGetProc(lockholders->backendId); - pgstat_progress_update_param(PROGRESS_WAITFOR_CURRENT_PID, - holder->pid); + if (holder) + pgstat_progress_update_param(PROGRESS_WAITFOR_CURRENT_PID, + holder->pid); } VirtualXactLock(*lockholders, true); lockholders++; |