Add missing PG_SETMASK(&BlockSig) to SIGHUP_handler().

src/backend/postmaster/postmaster.c

@@ -28,7 +28,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.219 2001/06/12 22:54:05 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.220 2001/06/14 19:59:24 tgl Exp $
  *
  * NOTES
  *
@@ -1408,10 +1408,14 @@ SIGHUP_handler(SIGNAL_ARGS)
 {
 	int			save_errno = errno;
 
-	if (Shutdown > SmartShutdown)
-		return;
+	PG_SETMASK(&BlockSig);
+
+	if (Shutdown <= SmartShutdown)
+	{
 		got_SIGHUP = true;
 		SignalChildren(SIGHUP);
+	}
+
 	errno = save_errno;
 }
 
@@ -1567,13 +1571,10 @@ static void
 reaper(SIGNAL_ARGS)
 {
 	int			save_errno = errno;
-
 #ifdef HAVE_WAITPID
 	int			status;			/* backend exit status */
-
 #else
 	union wait	status;			/* backend exit status */
-
 #endif
 	int			exitstatus;
 	int			pid;			/* process id of dead backend */