From 08178c5820364143bc039717a4ac98a27c0a4cdb Mon Sep 17 00:00:00 2001 From: Michael Paquier Date: Thu, 4 Sep 2025 16:19:03 +0900 Subject: [PATCH v3 2/2] Add injection point for OOM failure emulation --- src/backend/utils/activity/pgstat_shmem.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/backend/utils/activity/pgstat_shmem.c b/src/backend/utils/activity/pgstat_shmem.c index 8f8b57e8ee8a..c48a52db1e88 100644 --- a/src/backend/utils/activity/pgstat_shmem.c +++ b/src/backend/utils/activity/pgstat_shmem.c @@ -14,6 +14,7 @@ #include "pgstat.h" #include "storage/shmem.h" +#include "utils/injection_point.h" #include "utils/memutils.h" #include "utils/pgstat_internal.h" @@ -317,6 +318,9 @@ pgstat_init_entry(PgStat_Kind kind, pg_atomic_init_u32(&shhashent->generation, 0); shhashent->dropped = false; + if (IS_INJECTION_POINT_ATTACHED("pgstat-init-entry-oom")) + return NULL; + chunk = dsa_allocate_extended(pgStatLocal.dsa, pgstat_get_kind_info(kind)->shared_size, DSA_ALLOC_ZERO | DSA_ALLOC_NO_OOM); -- 2.51.0