Enable dynamically loaded postgres extensions

src/backend/access/transam/xlog.c

@@ -7590,7 +7590,7 @@ StartupXLOG(void)
 						 * of postmaster.  Log messages issued from
 						 * postmaster.
 						 */
-						proc_exit(3);
+						pg_proc_exit(3);
 
 					case RECOVERY_TARGET_ACTION_PAUSE:
 						SetRecoveryPause(true);

src/backend/access/transam/xlogarchive.c

@@ -254,7 +254,7 @@ RestoreArchivedFile(char *path, const char *xlogfname,
 	 * We treat hard shell errors such as "command not found" as fatal, too.
 	 */
 	if (wait_result_is_signal(rc, SIGTERM))
-		proc_exit(1);
+		pg_proc_exit(1);
 
 	ereport(wait_result_is_any_signal(rc, true) ? FATAL : DEBUG2,
 			(errmsg("could not restore file \"%s\" from archive: %s",

src/backend/bootstrap/bootstrap.c

@@ -302,15 +302,15 @@ AuxiliaryProcessMain(int argc, char *argv[])
 			default:
 				write_stderr("Try \"%s --help\" for more information.\n",
 							 progname);
-				proc_exit(1);
+				pg_proc_exit(1);
 				break;
 		}
 	}
 
 	if (argc != optind)
 	{
 		write_stderr("%s: invalid command-line arguments\n", progname);
-		proc_exit(1);
+		pg_proc_exit(1);
 	}
 
 	switch (MyAuxProcType)
@@ -343,7 +343,7 @@ AuxiliaryProcessMain(int argc, char *argv[])
 	if (!IsUnderPostmaster)
 	{
 		if (!SelectConfigFiles(userDoption, progname))
-			proc_exit(1);
+			pg_proc_exit(1);
 	}
 
 	checkDataDir();
@@ -431,7 +431,7 @@ AuxiliaryProcessMain(int argc, char *argv[])
 		case CheckerProcess:
 			/* don't set signals, they're useless here */
 			CheckerModeMain();
-			proc_exit(1);		/* should never return */
+			pg_proc_exit(1);		/* should never return */
 
 		case BootstrapProcess:
 
@@ -444,36 +444,36 @@ AuxiliaryProcessMain(int argc, char *argv[])
 			bootstrap_signals();
 			BootStrapXLOG();
 			BootstrapModeMain();
-			proc_exit(1);		/* should never return */
+			pg_proc_exit(1);		/* should never return */
 
 		case StartupProcess:
 			StartupProcessMain();
-			proc_exit(1);
+			pg_proc_exit(1);
 
 		case ArchiverProcess:
 			PgArchiverMain();
-			proc_exit(1);
+			pg_proc_exit(1);
 
 		case BgWriterProcess:
 			BackgroundWriterMain();
-			proc_exit(1);
+			pg_proc_exit(1);
 
 		case CheckpointerProcess:
 			CheckpointerMain();
-			proc_exit(1);
+			pg_proc_exit(1);
 
 		case WalWriterProcess:
 			InitXLOGAccess();
 			WalWriterMain();
-			proc_exit(1);
+			pg_proc_exit(1);
 
 		case WalReceiverProcess:
 			WalReceiverMain();
-			proc_exit(1);
+			pg_proc_exit(1);
 
 		default:
 			elog(PANIC, "unrecognized process type: %d", (int) MyAuxProcType);
-			proc_exit(1);
+			pg_proc_exit(1);
 	}
 }
 
@@ -486,7 +486,7 @@ AuxiliaryProcessMain(int argc, char *argv[])
 static void
 CheckerModeMain(void)
 {
-	proc_exit(0);
+	pg_proc_exit(0);
 }
 
 /*
@@ -561,7 +561,7 @@ BootstrapModeMain(void)
 
 	/* Clean up and exit */
 	cleanup();
-	proc_exit(0);
+	pg_proc_exit(0);
 }
 
 

src/backend/executor/execMain.c

@@ -1606,7 +1606,7 @@ ExecutePlan(EState *estate,
 	 * point.
 	 */
 	if (!(estate->es_top_eflags & EXEC_FLAG_BACKWARD))
-		(void) ExecShutdownNode(planstate);
+		ExecShutdownNode(planstate);
 
 	if (use_parallel_mode)
 		ExitParallelMode();

src/backend/executor/execProcnode.c

@@ -121,6 +121,7 @@
 
 static TupleTableSlot *ExecProcNodeFirst(PlanState *node);
 static TupleTableSlot *ExecProcNodeInstr(PlanState *node);
+static bool ExecShutdownNode_walker(PlanState *node, void *context);
 
 
 /* ------------------------------------------------------------------------
@@ -768,8 +769,14 @@ ExecEndNode(PlanState *node)
  * Give execution nodes a chance to stop asynchronous resource consumption
  * and release any resources still held.
  */
-bool
+void
 ExecShutdownNode(PlanState *node)
+{
+	(void) ExecShutdownNode_walker(node, NULL);
+}
+
+static bool
+ExecShutdownNode_walker(PlanState *node, void *context)
 {
 	if (node == NULL)
 		return false;
@@ -789,7 +796,7 @@ ExecShutdownNode(PlanState *node)
 	if (node->instrument && node->instrument->running)
 		InstrStartNode(node->instrument);
 
-	planstate_tree_walker(node, ExecShutdownNode, NULL);
+	planstate_tree_walker(node, ExecShutdownNode_walker, context);
 
 	switch (nodeTag(node))
 	{

src/backend/libpq/auth.c

@@ -264,7 +264,7 @@ auth_failed(Port *port, int status, char *logdetail)
 	 * events.)
 	 */
 	if (status == STATUS_EOF)
-		proc_exit(0);
+		pg_proc_exit(0);
 
 	switch (port->hba->auth_method)
 	{

src/backend/postmaster/autovacuum.c

@@ -620,7 +620,7 @@ AutoVacLauncherMain(int argc, char *argv[])
 	{
 		if (!ShutdownRequestPending)
 			do_start_worker();
-		proc_exit(0);			/* done */
+		pg_proc_exit(0);			/* done */
 	}
 
 	AutoVacuumShmem->av_launcherpid = MyProcPid;
@@ -851,7 +851,7 @@ AutoVacLauncherShutdown(void)
 			(errmsg_internal("autovacuum launcher shutting down")));
 	AutoVacuumShmem->av_launcherpid = 0;
 
-	proc_exit(0);				/* done */
+	pg_proc_exit(0);				/* done */
 }
 
 /*
@@ -1589,7 +1589,7 @@ AutoVacWorkerMain(int argc, char *argv[])
 		 * callback was registered to do ProcKill, which will clean up
 		 * necessary state.
 		 */
-		proc_exit(0);
+		pg_proc_exit(0);
 	}
 
 	/* We can now handle ereport(ERROR) */
@@ -1721,7 +1721,7 @@ AutoVacWorkerMain(int argc, char *argv[])
 	 */
 
 	/* All done, go away */
-	proc_exit(0);
+	pg_proc_exit(0);
 }
 
 /*

src/backend/postmaster/bgworker.c

@@ -825,7 +825,7 @@ StartBackgroundWorker(void)
 		 */
 
 		/* and go away */
-		proc_exit(1);
+		pg_proc_exit(1);
 	}
 
 	/* We can now handle ereport(ERROR) */
@@ -875,7 +875,7 @@ StartBackgroundWorker(void)
 	entrypt(worker->bgw_main_arg);
 
 	/* ... and if it returns, we're done */
-	proc_exit(0);
+	pg_proc_exit(0);
 }
 
 /*

src/backend/postmaster/checkpointer.c

@@ -586,7 +586,7 @@ HandleCheckpointerInterrupts(void)
 		pgstat_send_wal(true);
 
 		/* Normal exit from the checkpointer is here */
-		proc_exit(0);			/* done */
+		pg_proc_exit(0);			/* done */
 	}
 }
 

src/backend/postmaster/interrupt.c

@@ -42,7 +42,7 @@ HandleMainLoopInterrupts(void)
 	}
 
 	if (ShutdownRequestPending)
-		proc_exit(0);
+		pg_proc_exit(0);
 }
 
 /*
@@ -72,7 +72,7 @@ void
 SignalHandlerForCrashExit(SIGNAL_ARGS)
 {
 	/*
-	 * We DO NOT want to run proc_exit() or atexit() callbacks -- we're here
+	 * We DO NOT want to run pg_proc_exit() or atexit() callbacks -- we're here
 	 * because shared memory may be corrupted, so we don't want to try to
 	 * clean up our transaction.  Just nail the windows shut and get out of
 	 * town.  The callbacks wouldn't be safe to run from a signal handler,

src/backend/postmaster/pgarch.c

@@ -200,7 +200,7 @@ PgArchiverMain(void)
 
 	pgarch_MainLoop();
 
-	proc_exit(0);
+	pg_proc_exit(0);
 }
 
 /*

src/backend/postmaster/postmaster.c

@@ -4462,7 +4462,7 @@ BackendInitialize(Port *port)
 	 * already did any appropriate error reporting.
 	 */
 	if (status != STATUS_OK)
-		proc_exit(0);
+		pg_proc_exit(0);
 
 	/*
 	 * Now that we have the user and database name, we can set the process
@@ -5132,7 +5132,7 @@ ExitPostmaster(int status)
 	 * MUST		-- vadim 05-10-1999
 	 */
 
-	proc_exit(status);
+	pg_proc_exit(status);
 }
 
 /*
@@ -5316,7 +5316,7 @@ sigusr1_handler(SIGNAL_ARGS)
 /*
  * SIGTERM while processing startup packet.
  *
- * Running proc_exit() from a signal handler would be quite unsafe.
+ * Running pg_proc_exit() from a signal handler would be quite unsafe.
  * However, since we have not yet touched shared memory, we can just
  * pull the plug and exit without running any atexit handlers.
  *

src/backend/postmaster/startup.c

@@ -102,7 +102,7 @@ StartupProcShutdownHandler(SIGNAL_ARGS)
 	int			save_errno = errno;
 
 	if (in_restore_command)
-		proc_exit(1);
+		pg_proc_exit(1);
 	else
 		shutdown_requested = true;
 	WakeupRecovery();
@@ -165,7 +165,7 @@ HandleStartupProcInterrupts(void)
 	 * Check if we were requested to exit without finishing recovery.
 	 */
 	if (shutdown_requested)
-		proc_exit(1);
+		pg_proc_exit(1);
 
 	/*
 	 * Emergency bailout if postmaster has died.  This is to avoid the
@@ -247,7 +247,7 @@ StartupProcessMain(void)
 	 * Exit normally. Exit code 0 tells postmaster that we completed recovery
 	 * successfully.
 	 */
-	proc_exit(0);
+	pg_proc_exit(0);
 }
 
 void
@@ -261,7 +261,7 @@ PreRestoreCommand(void)
 	 */
 	in_restore_command = true;
 	if (shutdown_requested)
-		proc_exit(1);
+		pg_proc_exit(1);
 }
 
 void

src/backend/postmaster/syslogger.c

@@ -528,7 +528,7 @@ SysLoggerMain(int argc, char *argv[])
 			 * inside proc_exit.  Regular exit() will take care of flushing
 			 * and closing stdio channels.
 			 */
-			proc_exit(0);
+			pg_proc_exit(0);
 		}
 	}
 }

src/backend/postmaster/walwriter.c

@@ -304,6 +304,6 @@ HandleWalWriterInterrupts(void)
 		 */
 		pgstat_send_wal(true);
 
-		proc_exit(0);
+		pg_proc_exit(0);
 	}
 }

src/backend/replication/logical/tablesync.c

@@ -150,7 +150,7 @@ finish_sync_worker(void)
 	logicalrep_worker_wakeup(MyLogicalRepWorker->subid, InvalidOid);
 
 	/* Stop gracefully */
-	proc_exit(0);
+	pg_proc_exit(0);
 }
 
 /*