Move WaitLSNShmemInit() to CreateOrAttachShmemStructs()

Thanks to Andres Freund, Thomas Munrom and David Rowley for investigating
this issue.

Discussion: https://postgr.es/m/CAPpHfdvap5mMLikt8CUjA0osAvCJHT0qnYeR3f84EJ_Kvse0mg%40mail.gmail.com

diff --git a/src/backend/storage/ipc/ipci.c b/src/backend/storage/ipc/ipci.c
index 5aed90c9355ff568137de17644ec1380a40f3f06..90c84fec27a8578f06ae3016bdda52894c3cac65 100644 (file)
--- a/src/backend/storage/ipc/ipci.c
+++ b/src/backend/storage/ipc/ipci.c
@@ -246,11 +246,6 @@ CreateSharedMemoryAndSemaphores(void)
        /* Initialize subsystems */
        CreateOrAttachShmemStructs();
 
-       /*
-        * Init array of Latches in shared memory for wait lsn
-        */
-       WaitLSNShmemInit();
-
 #ifdef EXEC_BACKEND
 
        /*
@@ -364,6 +359,7 @@ CreateOrAttachShmemStructs(void)
        StatsShmemInit();
        WaitEventExtensionShmemInit();
        InjectionPointShmemInit();
+       WaitLSNShmemInit();
 }
 
 /*