From 3950ffe2a485479f6561c27364d3d7df5a21d124 Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Sun, 24 Jun 2012 22:28:35 +0000
Subject: Imported Upstream version 93u+

---
 src/lib/libast/comp/sigflag.c | 52 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/lib/libast/comp/sigflag.c

(limited to 'src/lib/libast/comp/sigflag.c')

diff --git a/src/lib/libast/comp/sigflag.c b/src/lib/libast/comp/sigflag.c
new file mode 100644
index 0000000..05ea22b
--- /dev/null
+++ b/src/lib/libast/comp/sigflag.c
@@ -0,0 +1,52 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+
+#include <ast.h>
+
+#if _lib_sigflag
+
+NoN(sigflag)
+
+#else
+
+#include <sig.h>
+
+int
+sigflag(int sig, int flags, int set)
+{
+#if _lib_sigaction
+	struct sigaction	sa;
+
+	if (sigaction(sig, NiL, &sa))
+		return -1;
+	if (set)
+		sa.sa_flags |= flags;
+	else
+		sa.sa_flags &= ~flags;
+	return sigaction(sig, &sa, NiL);
+#else
+	return -1;
+#endif
+}
+
+#endif
-- 
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