From 792b5a04f80479bb0aebd8b9f8ac88ff867c00c6 Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Fri, 5 Jul 1991 23:31:35 +0000
Subject: [PATCH] Change to use new `dstack_alloc_and_protect' procedure.

---
 v7/src/microcode/uxsig.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/v7/src/microcode/uxsig.c b/v7/src/microcode/uxsig.c
index 27656f44b..223baebd1 100644
--- a/v7/src/microcode/uxsig.c
+++ b/v7/src/microcode/uxsig.c
@@ -1,6 +1,6 @@
 /* -*-C-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/uxsig.c,v 1.11 1991/07/02 18:16:47 cph Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/microcode/uxsig.c,v 1.12 1991/07/05 23:31:35 cph Exp $
 
 Copyright (c) 1990-91 Massachusetts Institute of Technology
 
@@ -117,12 +117,17 @@ DEFUN (restore_signal_mask, (environment), PTR environment)
   UX_sigprocmask (SIG_SETMASK, ((sigset_t *) environment), 0);
 }
 
+static void
+DEFUN (save_signal_mask, (environment), PTR environment)
+{
+  UX_sigprocmask (SIG_SETMASK, 0, ((sigset_t *) environment));
+}
+
 void
 DEFUN_VOID (preserve_signal_mask)
 {
-  sigset_t * outside = (dstack_alloc (sizeof (sigset_t)));
-  UX_sigprocmask (SIG_SETMASK, 0, outside);
-  dstack_protect (restore_signal_mask, outside);
+  dstack_alloc_and_protect
+    ((sizeof (sigset_t)), save_signal_mask, restore_signal_mask);
 }
 
 static sigset_t blocked_signals;
-- 
2.25.1