From 1b1c07f6681bf261f1c19ad8e7ad84f008a1adea Mon Sep 17 00:00:00 2001 From: "Rui Zhao" Date: Mon, 29 Jul 2024 16:55:04 +0800 Subject: [PATCH] Detach shared memory in Postmaster child if not needed --- src/backend/postmaster/launch_backend.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/backend/postmaster/launch_backend.c b/src/backend/postmaster/launch_backend.c index fafe5feecc..9b018ef500 100644 --- a/src/backend/postmaster/launch_backend.c +++ b/src/backend/postmaster/launch_backend.c @@ -249,6 +249,13 @@ postmaster_child_launch(BackendType child_type, /* Detangle from postmaster */ InitPostmasterChild(); + /* Detach shared memory if not needed. */ + if (!child_process_kinds[child_type].shmem_attach) + { + dsm_detach_all(); + PGSharedMemoryDetach(); + } + /* * Enter the Main function with TopMemoryContext. The startup data is * allocated in PostmasterContext, so we cannot release it here yet. -- 2.39.3