check that module is in shared_preload_libraries

Author: zilder

src/init.c

@@ -64,15 +64,6 @@ init_shmem_config()
 			pmstate->dsm_init_lock    = LWLockAssign();
 			pmstate->edit_partitions_lock = LWLockAssign();
 		}
-#ifdef WIN32
-		else
-		{
-			elog(ERROR, "Pathman module must be initialized in postmaster. "
-						"Put the following line to configuration file: "
-						"shared_preload_libraries='pg_pathman'");
-			initialization_needed = false;
-		}
-#endif
 	}
 
 	create_relations_hashtable();

src/pg_pathman.c

@@ -126,15 +126,13 @@ static Path *get_cheapest_parameterized_child_path(PlannerInfo *root, RelOptInfo
 void
 _PG_init(void)
 {
-#ifndef WIN32
-	if (IsUnderPostmaster)
+	if (!process_shared_preload_libraries_in_progress)
 	{
 		elog(ERROR, "Pathman module must be initialized in postmaster. "
 					"Put the following line to configuration file: "
 					"shared_preload_libraries='pg_pathman'");
-	        initialization_needed = false;
+		initialization_needed = false;
 	}
-#endif
 
 	/* Request additional shared resources */
 	RequestAddinShmemSpace(pathman_memsize());