From c1bde612020b106cf3db511cf4961791c206998f Mon Sep 17 00:00:00 2001
From: mycroft <mycroft@NetBSD.org>
Date: Fri, 28 Apr 1995 21:30:16 +0000
Subject: Use POSIX signal and tty semantics.

---
 sail/machdep.h | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

(limited to 'sail')

diff --git a/sail/machdep.h b/sail/machdep.h
index a6721037..087d5636 100644
--- a/sail/machdep.h
+++ b/sail/machdep.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: machdep.h,v 1.3 1995/04/22 10:37:00 cgd Exp $	*/
+/*	$NetBSD: machdep.h,v 1.4 1995/04/28 21:30:16 mycroft Exp $	*/
 
 /*
  * Copyright (c) 1983, 1993
@@ -37,12 +37,18 @@
 
 #define TIMEOUT 300				/* Sync() timeout in seconds */
 
-/* for 4.2bsd machines */
-#define blockalarm()	((void) sigblock(1 << SIGALRM-1))
-#define unblockalarm()	((void) sigsetmask(sigblock(0) & ~(1 << SIGALRM-1)))
-
-/* for 2.9bsd machines (onyx)
-typedef int void;
-#define blockalarm()	((void) sighold(SIGALRM))
-#define unblockalarm()	((void) sigrelse(SIGALRM))
-*/
+/* for POSIX systems */
+#define	blockalarm() \
+	do {								\
+		sigset_t sigset;					\
+		sigemptyset(&sigset);					\
+		sigaddset(&sigset, SIGALRM);				\
+		sigprocmask(SIG_BLOCK, &sigset, (sigset_t *)0);		\
+	} while (0)
+#define	unblockalarm() \
+	do {								\
+		sigset_t sigset;					\
+		sigemptyset(&sigset);					\
+		sigaddset(&sigset, SIGALRM);				\
+		sigprocmask(SIG_UNBLOCK, &sigset, (sigset_t *)0);	\
+	} while (0)
-- 
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